Merge branch 'gpio-for-grant' of git://sources.calxeda.com/kernel/linux into gpio/next

Conflicts:
	drivers/gpio/gpio-pl061.c

353 files changed, 5031 insertions, 2524 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd
index fa72ccb2282e..dbedafb095e2 100644
--- a/Documentation/ABI/testing/sysfs-bus-rbd
+++ b/Documentation/ABI/testing/sysfs-bus-rbd
@@ -57,13 +57,6 @@ create_snap
 
 	 $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create
 
-rollback_snap
-
-	Rolls back data to the specified snapshot. This goes over the entire
-	list of rados blocks and sends a rollback command to each.
-
-	 $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_rollback
-
 snap_*
 
 	A directory per each snapshot
diff --git a/MAINTAINERS b/MAINTAINERS
index 5dc8f8d05e40..efd3f9e2186a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3102,6 +3102,7 @@ F:	include/linux/hid*
 
 HIGH-RESOLUTION TIMERS, CLOCKEVENTS, DYNTICKS
 M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
 S:	Maintained
 F:	Documentation/timers/
 F:	kernel/hrtimer.c
@@ -3611,7 +3612,7 @@ F:	net/irda/
 IRQ SUBSYSTEM
 M:	Thomas Gleixner <tglx@linutronix.de>
 S:	Maintained
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq/core
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
 F:	kernel/irq/
 
 ISAPNP
@@ -4099,7 +4100,7 @@ F:	drivers/hwmon/lm90.c
 LOCKDEP AND LOCKSTAT
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	Ingo Molnar <mingo@redhat.com>
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/locking
 S:	Maintained
 F:	Documentation/lockdep*.txt
 F:	Documentation/lockstat.txt
@@ -4281,7 +4282,9 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
 S:	Maintained
 F:	Documentation/dvb/
 F:	Documentation/video4linux/
+F:	Documentation/DocBook/media/
 F:	drivers/media/
+F:	drivers/staging/media/
 F:	include/media/
 F:	include/linux/dvb/
 F:	include/linux/videodev*.h
@@ -5087,6 +5090,7 @@ M:	Peter Zijlstra <a.p.zijlstra@chello.nl>
 M:	Paul Mackerras <paulus@samba.org>
 M:	Ingo Molnar <mingo@elte.hu>
 M:	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
 S:	Supported
 F:	kernel/events/*
 F:	include/linux/perf_event.h
@@ -5166,6 +5170,7 @@ F:	drivers/scsi/pm8001/
 
 POSIX CLOCKS and TIMERS
 M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
 S:	Supported
 F:	fs/timerfd.c
 F:	include/linux/timer*
@@ -5681,6 +5686,7 @@ F:	drivers/dma/dw_dmac.c
 TIMEKEEPING, NTP
 M:	John Stultz <johnstul@us.ibm.com>
 M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
 S:	Supported
 F:	include/linux/clocksource.h
 F:	include/linux/time.h
@@ -5705,6 +5711,7 @@ F:	drivers/watchdog/sc1200wdt.c
 SCHEDULER
 M:	Ingo Molnar <mingo@elte.hu>
 M:	Peter Zijlstra <peterz@infradead.org>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
 S:	Maintained
 F:	kernel/sched*
 F:	include/linux/sched.h
@@ -6632,7 +6639,7 @@ TRACING
 M:	Steven Rostedt <rostedt@goodmis.org>
 M:	Frederic Weisbecker <fweisbec@gmail.com>
 M:	Ingo Molnar <mingo@redhat.com>
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf/core
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
 S:	Maintained
 F:	Documentation/trace/ftrace.txt
 F:	arch/*/*/*/ftrace.h
@@ -7382,7 +7389,7 @@ M:	Thomas Gleixner <tglx@linutronix.de>
 M:	Ingo Molnar <mingo@redhat.com>
 M:	"H. Peter Anvin" <hpa@zytor.com>
 M:	x86@kernel.org
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
 S:	Maintained
 F:	Documentation/x86/
 F:	arch/x86/
diff --git a/Makefile b/Makefile
index d1ea73f74c2f..ea51081812f3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc7
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e084b7e981e8..776d76b8cb69 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -220,8 +220,9 @@ config NEED_MACH_MEMORY_H
 	  be avoided when possible.
 
 config PHYS_OFFSET
-	hex "Physical address of main memory"
+	hex "Physical address of main memory" if MMU
 	depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
+	default DRAM_BASE if !MMU
 	help
 	  Please provide the physical address corresponding to the
 	  location of main memory in your system.
diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h
index a5edf421005c..d1c3f3a71c94 100644
--- a/arch/arm/include/asm/unwind.h
+++ b/arch/arm/include/asm/unwind.h
@@ -30,14 +30,15 @@ enum unwind_reason_code {
 };
 
 struct unwind_idx {
-	unsigned long addr;
+	unsigned long addr_offset;
 	unsigned long insn;
 };
 
 struct unwind_table {
 	struct list_head list;
-	struct unwind_idx *start;
-	struct unwind_idx *stop;
+	const struct unwind_idx *start;
+	const struct unwind_idx *origin;
+	const struct unwind_idx *stop;
 	unsigned long begin_addr;
 	unsigned long end_addr;
 };
@@ -49,15 +50,6 @@ extern struct unwind_table *unwind_table_add(unsigned long start,
 extern void unwind_table_del(struct unwind_table *tab);
 extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk);
 
-#ifdef CONFIG_ARM_UNWIND
-extern int __init unwind_init(void);
-#else
-static inline int __init unwind_init(void)
-{
-	return 0;
-}
-#endif
-
 #endif	/* !__ASSEMBLY__ */
 
 #ifdef CONFIG_ARM_UNWIND
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 8e9c98edc068..88b0941ce51e 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -640,6 +640,9 @@ static struct platform_device_id armpmu_plat_device_ids[] = {
 
 static int __devinit armpmu_device_probe(struct platform_device *pdev)
 {
+	if (!cpu_pmu)
+		return -ENODEV;
+
 	cpu_pmu->plat_device = pdev;
 	return 0;
 }
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 3448a3f9cc8c..8fc2c8fcbdc6 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -895,8 +895,6 @@ void __init setup_arch(char **cmdline_p)
 {
 	struct machine_desc *mdesc;
 
-	unwind_init();
-
 	setup_processor();
 	mdesc = setup_machine_fdt(__atags_pointer);
 	if (!mdesc)
@@ -904,6 +902,12 @@ void __init setup_arch(char **cmdline_p)
 	machine_desc = mdesc;
 	machine_name = mdesc->name;
 
+#ifdef CONFIG_ZONE_DMA
+	if (mdesc->dma_zone_size) {
+		extern unsigned long arm_dma_zone_size;
+		arm_dma_zone_size = mdesc->dma_zone_size;
+	}
+#endif
 	if (mdesc->soft_reboot)
 		reboot_setup("s");
 
@@ -934,12 +938,6 @@ void __init setup_arch(char **cmdline_p)
 
 	tcm_init();
 
-#ifdef CONFIG_ZONE_DMA
-	if (mdesc->dma_zone_size) {
-		extern unsigned long arm_dma_zone_size;
-		arm_dma_zone_size = mdesc->dma_zone_size;
-	}
-#endif
 #ifdef CONFIG_MULTI_IRQ_HANDLER
 	handle_arch_irq = mdesc->handle_irq;
 #endif
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index e7e8365795c3..00df012c4678 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -67,7 +67,7 @@ EXPORT_SYMBOL(__aeabi_unwind_cpp_pr2);
 
 struct unwind_ctrl_block {
 	unsigned long vrs[16];		/* virtual register set */
-	unsigned long *insn;		/* pointer to the current instructions word */
+	const unsigned long *insn;	/* pointer to the current instructions word */
 	int entries;			/* number of entries left to interpret */
 	int byte;			/* current byte number in the instructions word */
 };
@@ -83,8 +83,9 @@ enum regs {
 	PC = 15
 };
 
-extern struct unwind_idx __start_unwind_idx[];
-extern struct unwind_idx __stop_unwind_idx[];
+extern const struct unwind_idx __start_unwind_idx[];
+static const struct unwind_idx *__origin_unwind_idx;
+extern const struct unwind_idx __stop_unwind_idx[];
 
 static DEFINE_SPINLOCK(unwind_lock);
 static LIST_HEAD(unwind_tables);
@@ -98,45 +99,99 @@ static LIST_HEAD(unwind_tables);
 })
 
 /*
- * Binary search in the unwind index. The entries entries are
+ * Binary search in the unwind index. The entries are
  * guaranteed to be sorted in ascending order by the linker.
+ *
+ * start = first entry
+ * origin = first entry with positive offset (or stop if there is no such entry)
+ * stop - 1 = last entry
  */
-static struct unwind_idx *search_index(unsigned long addr,
-				       struct unwind_idx *first,
-				       struct unwind_idx *last)
+static const struct unwind_idx *search_index(unsigned long addr,
+				       const struct unwind_idx *start,
+				       const struct unwind_idx *origin,
+				       const struct unwind_idx *stop)
 {
-	pr_debug("%s(%08lx, %p, %p)\n", __func__, addr, first, last);
+	unsigned long addr_prel31;
+
+	pr_debug("%s(%08lx, %p, %p, %p)\n",
+			__func__, addr, start, origin, stop);
+
+	/*
+	 * only search in the section with the matching sign. This way the
+	 * prel31 numbers can be compared as unsigned longs.
+	 */
+	if (addr < (unsigned long)start)
+		/* negative offsets: [start; origin) */
+		stop = origin;
+	else
+		/* positive offsets: [origin; stop) */
+		start = origin;
+
+	/* prel31 for address relavive to start */
+	addr_prel31 = (addr - (unsigned long)start) & 0x7fffffff;
 
-	if (addr < first->addr) {
+	while (start < stop - 1) {
+		const struct unwind_idx *mid = start + ((stop - start) >> 1);
+
+		/*
+		 * As addr_prel31 is relative to start an offset is needed to
+		 * make it relative to mid.
+		 */
+		if (addr_prel31 - ((unsigned long)mid - (unsigned long)start) <
+				mid->addr_offset)
+			stop = mid;
+		else {
+			/* keep addr_prel31 relative to start */
+			addr_prel31 -= ((unsigned long)mid -
+					(unsigned long)start);
+			start = mid;
+		}
+	}
+
+	if (likely(start->addr_offset <= addr_prel31))
+		return start;
+	else {
 		pr_warning("unwind: Unknown symbol address %08lx\n", addr);
 		return NULL;
-	} else if (addr >= last->addr)
-		return last;
+	}
+}
 
-	while (first < last - 1) {
-		struct unwind_idx *mid = first + ((last - first + 1) >> 1);
+static const struct unwind_idx *unwind_find_origin(
+		const struct unwind_idx *start, const struct unwind_idx *stop)
+{
+	pr_debug("%s(%p, %p)\n", __func__, start, stop);
+	while (start < stop) {
+		const struct unwind_idx *mid = start + ((stop - start) >> 1);
 
-		if (addr < mid->addr)
-			last = mid;
+		if (mid->addr_offset >= 0x40000000)
+			/* negative offset */
+			start = mid + 1;
 		else
-			first = mid;
+			/* positive offset */
+			stop = mid;
 	}
-
-	return first;
+	pr_debug("%s -> %p\n", __func__, stop);
+	return stop;
 }
 
-static struct unwind_idx *unwind_find_idx(unsigned long addr)
+static const struct unwind_idx *unwind_find_idx(unsigned long addr)
 {
-	struct unwind_idx *idx = NULL;
+	const struct unwind_idx *idx = NULL;
 	unsigned long flags;
 
 	pr_debug("%s(%08lx)\n", __func__, addr);
 
-	if (core_kernel_text(addr))
+	if (core_kernel_text(addr)) {
+		if (unlikely(!__origin_unwind_idx))
+			__origin_unwind_idx =
+				unwind_find_origin(__start_unwind_idx,
+						__stop_unwind_idx);
+
 		/* main unwind table */
 		idx = search_index(addr, __start_unwind_idx,
-				   __stop_unwind_idx - 1);
-	else {
+				   __origin_unwind_idx,
+				   __stop_unwind_idx);
+	} else {
 		/* module unwind tables */
 		struct unwind_table *table;
 
@@ -145,7 +200,8 @@ static struct unwind_idx *unwind_find_idx(unsigned long addr)
 			if (addr >= table->begin_addr &&
 			    addr < table->end_addr) {
 				idx = search_index(addr, table->start,
-						   table->stop - 1);
+						   table->origin,
+						   table->stop);
 				/* Move-to-front to exploit common traces */
 				list_move(&table->list, &unwind_tables);
 				break;
@@ -274,7 +330,7 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
 int unwind_frame(struct stackframe *frame)
 {
 	unsigned long high, low;
-	struct unwind_idx *idx;
+	const struct unwind_idx *idx;
 	struct unwind_ctrl_block ctrl;
 
 	/* only go to a higher address on the stack */
@@ -399,7 +455,6 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size,
 				      unsigned long text_size)
 {
 	unsigned long flags;
-	struct unwind_idx *idx;
 	struct unwind_table *tab = kmalloc(sizeof(*tab), GFP_KERNEL);
 
 	pr_debug("%s(%08lx, %08lx, %08lx, %08lx)\n", __func__, start, size,
@@ -408,15 +463,12 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size,
 	if (!tab)
 		return tab;
 
-	tab->start = (struct unwind_idx *)start;
-	tab->stop = (struct unwind_idx *)(start + size);
+	tab->start = (const struct unwind_idx *)start;
+	tab->stop = (const struct unwind_idx *)(start + size);
+	tab->origin = unwind_find_origin(tab->start, tab->stop);
 	tab->begin_addr = text_addr;
 	tab->end_addr = text_addr + text_size;
 
-	/* Convert the symbol addresses to absolute values */
-	for (idx = tab->start; idx < tab->stop; idx++)
-		idx->addr = prel31_to_addr(&idx->addr);
-
 	spin_lock_irqsave(&unwind_lock, flags);
 	list_add_tail(&tab->list, &unwind_tables);
 	spin_unlock_irqrestore(&unwind_lock, flags);
@@ -437,16 +489,3 @@ void unwind_table_del(struct unwind_table *tab)
 
 	kfree(tab);
 }
-
-int __init unwind_init(void)
-{
-	struct unwind_idx *idx;
-
-	/* Convert the symbol addresses to absolute values */
-	for (idx = __start_unwind_idx; idx < __stop_unwind_idx; idx++)
-		idx->addr = prel31_to_addr(&idx->addr);
-
-	pr_debug("unwind: ARM stack unwinding initialised\n");
-
-	return 0;
-}
diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index 97343df8f132..85b5527d0918 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -44,8 +44,6 @@ struct mct_clock_event_device {
 	char name[10];
 };
 
-static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick);
-
 static void exynos4_mct_write(unsigned int value, void *addr)
 {
 	void __iomem *stat_addr;
@@ -264,6 +262,9 @@ static void exynos4_clockevent_init(void)
 }
 
 #ifdef CONFIG_LOCAL_TIMERS
+
+static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick);
+
 /* Clock event handling */
 static void exynos4_mct_tick_stop(struct mct_clock_event_device *mevt)
 {
@@ -428,9 +429,13 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
 
 void local_timer_stop(struct clock_event_device *evt)
 {
+	unsigned int cpu = smp_processor_id();
 	evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
 	if (mct_int_type == MCT_INT_SPI)
-		disable_irq(evt->irq);
+		if (cpu == 0)
+			remove_irq(evt->irq, &mct_tick0_event_irq);
+		else
+			remove_irq(evt->irq, &mct_tick1_event_irq);
 	else
 		disable_percpu_irq(IRQ_MCT_LOCALTIMER);
 }
@@ -443,6 +448,7 @@ static void __init exynos4_timer_resources(void)
 
 	clk_rate = clk_get_rate(mct_clk);
 
+#ifdef CONFIG_LOCAL_TIMERS
 	if (mct_int_type == MCT_INT_PPI) {
 		int err;
 
@@ -452,6 +458,7 @@ static void __init exynos4_timer_resources(void)
 		WARN(err, "MCT: can't request IRQ %d (%d)\n",
 		     IRQ_MCT_LOCALTIMER, err);
 	}
+#endif /* CONFIG_LOCAL_TIMERS */
 }
 
 static void __init exynos4_timer_init(void)
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 5c837603ff0f..24994bb52147 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -362,7 +362,7 @@ static void __init mx51_babbage_init(void)
 {
 	iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
 	iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21,
-		PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP);
+		PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH);
 
 	imx51_soc_init();
 
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 6bea31ab8f85..64bbfcea6f35 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -106,7 +106,7 @@ static inline void mx53_evk_fec_reset(void)
 	gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
 }
 
-static struct fec_platform_data mx53_evk_fec_pdata = {
+static const struct fec_platform_data mx53_evk_fec_pdata __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 7678f7734db6..237bdecd9331 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -242,7 +242,7 @@ static inline void mx53_loco_fec_reset(void)
 	gpio_set_value(LOCO_FEC_PHY_RST, 1);
 }
 
-static struct fec_platform_data mx53_loco_fec_data = {
+static const struct fec_platform_data mx53_loco_fec_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index 59c0845eb4a6..d42132a80e8f 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -104,7 +104,7 @@ static inline void mx53_smd_fec_reset(void)
 	gpio_set_value(SMD_FEC_PHY_RST, 1);
 }
 
-static struct fec_platform_data mx53_smd_fec_data = {
+static const struct fec_platform_data mx53_smd_fec_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index ba1aa07bdb29..c15c5c9c9085 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -193,7 +193,7 @@ static struct platform_device rx51_charger_device = {
 static void __init rx51_charger_init(void)
 {
 	WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO,
-		GPIOF_OUT_INIT_LOW, "isp1704_reset"));
+		GPIOF_OUT_INIT_HIGH, "isp1704_reset"));
 
 	platform_device_register(&rx51_charger_device);
 }
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 292eee3be15f..28fcb27005d2 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -145,6 +145,9 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
 		pdata->reg_size = 4;
 		pdata->has_ccr = true;
 	}
+	pdata->set_clk_src = omap2_mcbsp_set_clk_src;
+	if (id == 1)
+		pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
 
 	if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
 		if (id == 2)
@@ -174,9 +177,6 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
 					name, oh->name);
 		return PTR_ERR(pdev);
 	}
-	pdata->set_clk_src = omap2_mcbsp_set_clk_src;
-	if (id == 1)
-		pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
 	omap_mcbsp_count++;
 	return 0;
 }
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 026c66ad7ec2..57f5bacb4b83 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -117,17 +117,14 @@ static void __init realview_eb_map_io(void)
 
 static struct pl061_platform_data gpio0_plat_data = {
 	.gpio_base	= 0,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio1_plat_data = {
 	.gpio_base	= 8,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio2_plat_data = {
 	.gpio_base	= 16,
-	.irq_base	= -1,
 };
 
 static struct pl022_ssp_controller ssp0_plat_data = {
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index c057540ec776..226769664101 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -113,17 +113,14 @@ static void __init realview_pb1176_map_io(void)
 
 static struct pl061_platform_data gpio0_plat_data = {
 	.gpio_base	= 0,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio1_plat_data = {
 	.gpio_base	= 8,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio2_plat_data = {
 	.gpio_base	= 16,
-	.irq_base	= -1,
 };
 
 static struct pl022_ssp_controller ssp0_plat_data = {
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 671ad6d6ff00..8622dbbe2347 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -112,17 +112,14 @@ static void __init realview_pb11mp_map_io(void)
 
 static struct pl061_platform_data gpio0_plat_data = {
 	.gpio_base	= 0,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio1_plat_data = {
 	.gpio_base	= 8,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio2_plat_data = {
 	.gpio_base	= 16,
-	.irq_base	= -1,
 };
 
 static struct pl022_ssp_controller ssp0_plat_data = {
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index cbf22df4ad5b..6f9511d87609 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -102,17 +102,14 @@ static void __init realview_pba8_map_io(void)
 
 static struct pl061_platform_data gpio0_plat_data = {
 	.gpio_base	= 0,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio1_plat_data = {
 	.gpio_base	= 8,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio2_plat_data = {
 	.gpio_base	= 16,
-	.irq_base	= -1,
 };
 
 static struct pl022_ssp_controller ssp0_plat_data = {
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 63c4114afae9..be3a01fe00b9 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -124,17 +124,14 @@ static void __init realview_pbx_map_io(void)
 
 static struct pl061_platform_data gpio0_plat_data = {
 	.gpio_base	= 0,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio1_plat_data = {
 	.gpio_base	= 8,
-	.irq_base	= -1,
 };
 
 static struct pl061_platform_data gpio2_plat_data = {
 	.gpio_base	= 16,
-	.irq_base	= -1,
 };
 
 static struct pl022_ssp_controller ssp0_plat_data = {
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index a9106c392398..8662ef6e5681 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -273,6 +273,7 @@ static struct samsung_bl_gpio_info smdkv210_bl_gpio_info = {
 
 static struct platform_pwm_backlight_data smdkv210_bl_data = {
 	.pwm_id = 3,
+	.pwm_period_ns = 1000,
 };
 
 static void __init smdkv210_map_io(void)
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index b862e9f81e3e..7119b87cbfa0 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -607,6 +607,7 @@ struct sys_timer ag5evm_timer = {
 
 MACHINE_START(AG5EVM, "ag5evm")
 	.map_io		= ag5evm_map_io,
+	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= ag5evm_init,
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index bd9a78424d6b..f44150b5ae46 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -33,6 +33,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds.h>
+#include <linux/platform_data/leds-renesas-tpu.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mfd/tmio.h>
@@ -56,7 +57,7 @@ static struct resource smsc9220_resources[] = {
 		.flags		= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start		= gic_spi(33), /* PINTA2 @ PORT144 */
+		.start		= SH73A0_PINT0_IRQ(2), /* PINTA2 */
 		.flags		= IORESOURCE_IRQ,
 	},
 };
@@ -157,10 +158,6 @@ static struct platform_device gpio_keys_device = {
 #define GPIO_LED(n, g) { .name = n, .gpio = g }
 
 static struct gpio_led gpio_leds[] = {
-	GPIO_LED("V2513", GPIO_PORT153), /* PORT153 [TPU1T02] -> V2513 */
-	GPIO_LED("V2514", GPIO_PORT199), /* PORT199 [TPU4TO1] -> V2514 */
-	GPIO_LED("V2515", GPIO_PORT197), /* PORT197 [TPU2TO1] -> V2515 */
-	GPIO_LED("KEYLED", GPIO_PORT163), /* PORT163 [TPU3TO0] -> KEYLED */
 	GPIO_LED("G", GPIO_PORT20), /* PORT20 [GPO0] -> LED7 -> "G" */
 	GPIO_LED("H", GPIO_PORT21), /* PORT21 [GPO1] -> LED8 -> "H" */
 	GPIO_LED("J", GPIO_PORT22), /* PORT22 [GPO2] -> LED9 -> "J" */
@@ -179,6 +176,119 @@ static struct platform_device gpio_leds_device = {
 	},
 };
 
+/* TPU LED */
+static struct led_renesas_tpu_config led_renesas_tpu12_pdata = {
+	.name		= "V2513",
+	.pin_gpio_fn	= GPIO_FN_TPU1TO2,
+	.pin_gpio	= GPIO_PORT153,
+	.channel_offset = 0x90,
+	.timer_bit = 2,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu12_resources[] = {
+	[0] = {
+		.name	= "TPU12",
+		.start	= 0xe6610090,
+		.end	= 0xe66100b5,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu12_device = {
+	.name = "leds-renesas-tpu",
+	.id = 12,
+	.dev = {
+		.platform_data  = &led_renesas_tpu12_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu12_resources),
+	.resource	= tpu12_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu41_pdata = {
+	.name		= "V2514",
+	.pin_gpio_fn	= GPIO_FN_TPU4TO1,
+	.pin_gpio	= GPIO_PORT199,
+	.channel_offset = 0x50,
+	.timer_bit = 1,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu41_resources[] = {
+	[0] = {
+		.name	= "TPU41",
+		.start	= 0xe6640050,
+		.end	= 0xe6640075,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu41_device = {
+	.name = "leds-renesas-tpu",
+	.id = 41,
+	.dev = {
+		.platform_data  = &led_renesas_tpu41_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu41_resources),
+	.resource	= tpu41_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu21_pdata = {
+	.name		= "V2515",
+	.pin_gpio_fn	= GPIO_FN_TPU2TO1,
+	.pin_gpio	= GPIO_PORT197,
+	.channel_offset = 0x50,
+	.timer_bit = 1,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu21_resources[] = {
+	[0] = {
+		.name	= "TPU21",
+		.start	= 0xe6620050,
+		.end	= 0xe6620075,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu21_device = {
+	.name = "leds-renesas-tpu",
+	.id = 21,
+	.dev = {
+		.platform_data  = &led_renesas_tpu21_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu21_resources),
+	.resource	= tpu21_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu30_pdata = {
+	.name		= "KEYLED",
+	.pin_gpio_fn	= GPIO_FN_TPU3TO0,
+	.pin_gpio	= GPIO_PORT163,
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu30_resources[] = {
+	[0] = {
+		.name	= "TPU30",
+		.start	= 0xe6630010,
+		.end	= 0xe6630035,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu30_device = {
+	.name = "leds-renesas-tpu",
+	.id = 30,
+	.dev = {
+		.platform_data  = &led_renesas_tpu30_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu30_resources),
+	.resource	= tpu30_resources,
+};
+
 /* MMCIF */
 static struct resource mmcif_resources[] = {
 	[0] = {
@@ -291,6 +401,10 @@ static struct platform_device *kota2_devices[] __initdata = {
 	&keysc_device,
 	&gpio_keys_device,
 	&gpio_leds_device,
+	&leds_tpu12_device,
+	&leds_tpu41_device,
+	&leds_tpu21_device,
+	&leds_tpu30_device,
 	&mmcif_device,
 	&sdhi0_device,
 	&sdhi1_device,
@@ -317,18 +431,6 @@ static void __init kota2_map_io(void)
 	shmobile_setup_console();
 }
 
-#define PINTER0A	0xe69000a0
-#define PINTCR0A	0xe69000b0
-
-void __init kota2_init_irq(void)
-{
-	sh73a0_init_irq();
-
-	/* setup PINT: enable PINTA2 as active low */
-	__raw_writel(1 << 29, PINTER0A);
-	__raw_writew(2 << 10, PINTCR0A);
-}
-
 static void __init kota2_init(void)
 {
 	sh73a0_pinmux_init();
@@ -447,7 +549,8 @@ struct sys_timer kota2_timer = {
 
 MACHINE_START(KOTA2, "kota2")
 	.map_io		= kota2_map_io,
-	.init_irq	= kota2_init_irq,
+	.nr_irqs	= NR_IRQS_LEGACY,
+	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= kota2_init,
 	.timer		= &kota2_timer,
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 61a846bb30f2..1370a89ca358 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -113,6 +113,12 @@ static struct clk main_clk = {
 	.ops		= &main_clk_ops,
 };
 
+/* Divide Main clock by two */
+static struct clk main_div2_clk = {
+	.ops		= &div2_clk_ops,
+	.parent		= &main_clk,
+};
+
 /* PLL0, PLL1, PLL2, PLL3 */
 static unsigned long pll_recalc(struct clk *clk)
 {
@@ -181,6 +187,7 @@ static struct clk *main_clks[] = {
 	&extal1_div2_clk,
 	&extal2_div2_clk,
 	&main_clk,
+	&main_div2_clk,
 	&pll0_clk,
 	&pll1_clk,
 	&pll2_clk,
@@ -243,7 +250,7 @@ static struct clk div6_clks[DIV6_NR] = {
 	[DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0),
 	[DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0),
 	[DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0),
-	[DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, 0),
+	[DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT),
 	[DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0),
 	[DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0),
 	[DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0),
@@ -268,6 +275,7 @@ enum { MSTP001,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
 	MSTP331, MSTP329, MSTP325, MSTP323, MSTP318,
 	MSTP314, MSTP313, MSTP312, MSTP311,
+	MSTP303, MSTP302, MSTP301, MSTP300,
 	MSTP411, MSTP410, MSTP403,
 	MSTP_NR };
 
@@ -301,6 +309,10 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
 	[MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
+	[MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */
+	[MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */
+	[MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */
+	[MSTP300] = MSTP(&main_div2_clk, SMSTPCR3, 0, 0), /* TPU4 */
 	[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
 	[MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */
 	[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
@@ -350,6 +362,10 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
 	CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c
index 74aac96cda20..adbff706ef6f 100644
--- a/arch/arm/plat-mxc/cpufreq.c
+++ b/arch/arm/plat-mxc/cpufreq.c
@@ -17,6 +17,7 @@
  * the CPU clock speed on the fly.
  */
 
+#include <linux/module.h>
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/err.h>
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 42d74ea59084..845de59f07ed 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -32,6 +32,9 @@
 #define MX3_PWMSAR                0x0C    /* PWM Sample Register */
 #define MX3_PWMPR                 0x10    /* PWM Period Register */
 #define MX3_PWMCR_PRESCALER(x)    (((x - 1) & 0xFFF) << 4)
+#define MX3_PWMCR_DOZEEN                (1 << 24)
+#define MX3_PWMCR_WAITEN                (1 << 23)
+#define MX3_PWMCR_DBGEN			(1 << 22)
 #define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16)
 #define MX3_PWMCR_CLKSRC_IPG      (1 << 16)
 #define MX3_PWMCR_EN              (1 << 0)
@@ -77,7 +80,9 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 		writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
 		writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
 
-		cr = MX3_PWMCR_PRESCALER(prescale) | MX3_PWMCR_EN;
+		cr = MX3_PWMCR_PRESCALER(prescale) |
+			MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
+			MX3_PWMCR_DBGEN | MX3_PWMCR_EN;
 
 		if (cpu_is_mx25())
 			cr |= MX3_PWMCR_CLKSRC_IPG;
diff --git a/arch/arm/plat-samsung/dev-backlight.c b/arch/arm/plat-samsung/dev-backlight.c
index e657305644cc..a976c023b286 100644
--- a/arch/arm/plat-samsung/dev-backlight.c
+++ b/arch/arm/plat-samsung/dev-backlight.c
@@ -15,7 +15,6 @@
 #include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/pwm_backlight.h>
-#include <linux/slab.h>
 
 #include <plat/devs.h>
 #include <plat/gpio-cfg.h>
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index 6efc18b5e60a..bd58b72454cf 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -88,7 +88,7 @@ static ssize_t hwsampler_write(struct file *file, char const __user *buf,
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	if (oprofile_started)
diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index ec8c84c14b17..895e337c79b6 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -50,9 +50,9 @@ static struct platform_device heartbeat_device = {
 #define GBECONT		0xffc10100
 #define GBECONT_RMII1	BIT(17)
 #define GBECONT_RMII0	BIT(16)
-static void sh7757_eth_set_mdio_gate(unsigned long addr)
+static void sh7757_eth_set_mdio_gate(void *addr)
 {
-	if ((addr & 0x00000fff) < 0x0800)
+	if (((unsigned long)addr & 0x00000fff) < 0x0800)
 		writel(readl(GBECONT) | GBECONT_RMII0, GBECONT);
 	else
 		writel(readl(GBECONT) | GBECONT_RMII1, GBECONT);
@@ -116,9 +116,9 @@ static struct platform_device sh7757_eth1_device = {
 	},
 };
 
-static void sh7757_eth_giga_set_mdio_gate(unsigned long addr)
+static void sh7757_eth_giga_set_mdio_gate(void *addr)
 {
-	if ((addr & 0x00000fff) < 0x0800) {
+	if (((unsigned long)addr & 0x00000fff) < 0x0800) {
 		gpio_set_value(GPIO_PTT4, 1);
 		writel(readl(GBECONT) & ~GBECONT_RMII0, GBECONT);
 	} else {
@@ -210,8 +210,12 @@ static struct resource sh_mmcif_resources[] = {
 };
 
 static struct sh_mmcif_dma sh7757lcr_mmcif_dma = {
-	.chan_priv_tx	= SHDMA_SLAVE_MMCIF_TX,
-	.chan_priv_rx	= SHDMA_SLAVE_MMCIF_RX,
+	.chan_priv_tx	= {
+		.slave_id = SHDMA_SLAVE_MMCIF_TX,
+	},
+	.chan_priv_rx	= {
+		.slave_id = SHDMA_SLAVE_MMCIF_RX,
+	}
 };
 
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 7429b47c3aca..381edcd5bc29 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -1181,13 +1181,11 @@ static int __devinit ds_probe(struct vio_dev *vdev,
 
 	dp->rcv_buf_len = 4096;
 
-	dp->ds_states = kzalloc(sizeof(ds_states_template),
-				GFP_KERNEL);
+	dp->ds_states = kmemdup(ds_states_template,
+				sizeof(ds_states_template), GFP_KERNEL);
 	if (!dp->ds_states)
 		goto out_free_rcv_buf;
 
-	memcpy(dp->ds_states, ds_states_template,
-	       sizeof(ds_states_template));
 	dp->num_ds_states = ARRAY_SIZE(ds_states_template);
 
 	for (i = 0; i < dp->num_ds_states; i++)
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index b272cda35a01..af5755d20fbe 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -849,10 +849,10 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
 	if (!irq)
 		return -ENOMEM;
 
-	if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
-		return -EINVAL;
 	if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
 		return -EINVAL;
+	if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
+		return -EINVAL;
 
 	return irq;
 }
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 46614807a57f..741df916c124 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -58,12 +58,10 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 	void *new_val;
 	int err;
 
-	new_val = kmalloc(len, GFP_KERNEL);
+	new_val = kmemdup(val, len, GFP_KERNEL);
 	if (!new_val)
 		return -ENOMEM;
 
-	memcpy(new_val, val, len);
-
 	err = -ENODEV;
 
 	mutex_lock(&of_set_property_mutex);
diff --git a/arch/sparc/mm/btfixup.c b/arch/sparc/mm/btfixup.c
index 5175ac2f4820..8a7f81743c12 100644
--- a/arch/sparc/mm/btfixup.c
+++ b/arch/sparc/mm/btfixup.c
@@ -302,8 +302,7 @@ void __init btfixup(void)
 				case 'i':	/* INT */
 					if ((insn & 0xc1c00000) == 0x01000000) /* %HI */
 						set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10));
-					else if ((insn & 0x80002000) == 0x80002000 &&
-					         (insn & 0x01800000) != 0x01800000) /* %LO */
+					else if ((insn & 0x80002000) == 0x80002000) /* %LO */
 						set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x3ff));
 					else {
 						prom_printf(insn_i, p, addr, insn);
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index c9547033e38e..908b96957d88 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -53,13 +53,6 @@
  */
 #define E820_RESERVED_KERN        128
 
-/*
- * Address ranges that need to be mapped by the kernel direct
- * mapping. This is used to make sure regions such as
- * EFI_RUNTIME_SERVICES_DATA are directly mapped. See setup_arch().
- */
-#define E820_RESERVED_EFI         129
-
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
 struct e820entry {
@@ -122,7 +115,6 @@ static inline void early_memtest(unsigned long start, unsigned long end)
 }
 #endif
 
-extern unsigned long e820_end_pfn(unsigned long limit_pfn, unsigned type);
 extern unsigned long e820_end_of_ram_pfn(void);
 extern unsigned long e820_end_of_low_ram_pfn(void);
 extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index b8d8bfcd44a9..7093e4a6a0bc 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -33,6 +33,8 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...);
 #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6)	\
 	efi_call_virt(f, a1, a2, a3, a4, a5, a6)
 
+#define efi_ioremap(addr, size, type)		ioremap_cache(addr, size)
+
 #else /* !CONFIG_X86_32 */
 
 extern u64 efi_call0(void *fp);
@@ -82,6 +84,9 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
 	efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
 		  (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
 
+extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
+				 u32 type);
+
 #endif /* CONFIG_X86_32 */
 
 extern int add_efi_memmap;
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 3b97a80ce329..c99f9ed013d5 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -116,16 +116,16 @@ void show_registers(struct pt_regs *regs)
 		for (i = 0; i < code_len; i++, ip++) {
 			if (ip < (u8 *)PAGE_OFFSET ||
 					probe_kernel_address(ip, c)) {
-				printk(" Bad EIP value.");
+				printk(KERN_CONT " Bad EIP value.");
 				break;
 			}
 			if (ip == (u8 *)regs->ip)
-				printk("<%02x> ", c);
+				printk(KERN_CONT "<%02x> ", c);
 			else
-				printk("%02x ", c);
+				printk(KERN_CONT "%02x ", c);
 		}
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
 int is_valid_bugaddr(unsigned long ip)
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 19853ad8afc5..6d728d9284bd 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -284,16 +284,16 @@ void show_registers(struct pt_regs *regs)
 		for (i = 0; i < code_len; i++, ip++) {
 			if (ip < (u8 *)PAGE_OFFSET ||
 					probe_kernel_address(ip, c)) {
-				printk(" Bad RIP value.");
+				printk(KERN_CONT " Bad RIP value.");
 				break;
 			}
 			if (ip == (u8 *)regs->ip)
-				printk("<%02x> ", c);
+				printk(KERN_CONT "<%02x> ", c);
 			else
-				printk("%02x ", c);
+				printk(KERN_CONT "%02x ", c);
 		}
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
 int is_valid_bugaddr(unsigned long ip)
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 65ffd110a81b..303a0e48f076 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -135,7 +135,6 @@ static void __init e820_print_type(u32 type)
 		printk(KERN_CONT "(usable)");
 		break;
 	case E820_RESERVED:
-	case E820_RESERVED_EFI:
 		printk(KERN_CONT "(reserved)");
 		break;
 	case E820_ACPI:
@@ -784,7 +783,7 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
 /*
  * Find the highest page frame number we have available
  */
-unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
+static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
 {
 	int i;
 	unsigned long last_pfn = 0;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 9a9e40fb091c..cf0ef986cb6d 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -691,8 +691,6 @@ early_param("reservelow", parse_reservelow);
 
 void __init setup_arch(char **cmdline_p)
 {
-	unsigned long end_pfn;
-
 #ifdef CONFIG_X86_32
 	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 	visws_early_detect();
@@ -934,24 +932,7 @@ void __init setup_arch(char **cmdline_p)
 	init_gbpages();
 
 	/* max_pfn_mapped is updated here */
-	end_pfn = max_low_pfn;
-
-#ifdef CONFIG_X86_64
-	/*
-	 * There may be regions after the last E820_RAM region that we
-	 * want to include in the kernel direct mapping, such as
-	 * EFI_RUNTIME_SERVICES_DATA.
-	 */
-	if (efi_enabled) {
-		unsigned long efi_end;
-
-		efi_end = e820_end_pfn(MAXMEM>>PAGE_SHIFT, E820_RESERVED_EFI);
-		if (efi_end > max_low_pfn)
-			end_pfn = efi_end;
-	}
-#endif
-
-	max_low_pfn_mapped = init_memory_mapping(0, end_pfn << PAGE_SHIFT);
+	max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT);
 	max_pfn_mapped = max_low_pfn_mapped;
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index bfab3fa10edc..7b65f752c5f8 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -568,8 +568,8 @@ cond_branch:			f_offset = addrs[i + filter[i].jf] - addrs[i];
 					break;
 				}
 				if (filter[i].jt != 0) {
-					if (filter[i].jf)
-						t_offset += is_near(f_offset) ? 2 : 6;
+					if (filter[i].jf && f_offset)
+						t_offset += is_near(f_offset) ? 2 : 5;
 					EMIT_COND_JMP(t_op, t_offset);
 					if (filter[i].jf)
 						EMIT_JMP(f_offset);
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index c9718a16be15..37718f0f053d 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -323,13 +323,10 @@ static void __init do_add_efi_memmap(void)
 		case EFI_UNUSABLE_MEMORY:
 			e820_type = E820_UNUSABLE;
 			break;
-		case EFI_RUNTIME_SERVICES_DATA:
-			e820_type = E820_RESERVED_EFI;
-			break;
 		default:
 			/*
 			 * EFI_RESERVED_TYPE EFI_RUNTIME_SERVICES_CODE
-			 * EFI_MEMORY_MAPPED_IO
+			 * EFI_RUNTIME_SERVICES_DATA EFI_MEMORY_MAPPED_IO
 			 * EFI_MEMORY_MAPPED_IO_PORT_SPACE EFI_PAL_CODE
 			 */
 			e820_type = E820_RESERVED;
@@ -674,21 +671,10 @@ void __init efi_enter_virtual_mode(void)
 		end_pfn = PFN_UP(end);
 		if (end_pfn <= max_low_pfn_mapped
 		    || (end_pfn > (1UL << (32 - PAGE_SHIFT))
-			&& end_pfn <= max_pfn_mapped)) {
+			&& end_pfn <= max_pfn_mapped))
 			va = __va(md->phys_addr);
-
-			if (!(md->attribute & EFI_MEMORY_WB)) {
-				addr = (u64) (unsigned long)va;
-				npages = md->num_pages;
-				memrange_efi_to_native(&addr, &npages);
-				set_memory_uc(addr, npages);
-			}
-		} else {
-			if (!(md->attribute & EFI_MEMORY_WB))
-				va = ioremap_nocache(md->phys_addr, size);
-			else
-				va = ioremap_cache(md->phys_addr, size);
-		}
+		else
+			va = efi_ioremap(md->phys_addr, size, md->type);
 
 		md->virt_addr = (u64) (unsigned long) va;
 
@@ -698,6 +684,13 @@ void __init efi_enter_virtual_mode(void)
 			continue;
 		}
 
+		if (!(md->attribute & EFI_MEMORY_WB)) {
+			addr = md->virt_addr;
+			npages = md->num_pages;
+			memrange_efi_to_native(&addr, &npages);
+			set_memory_uc(addr, npages);
+		}
+
 		systab = (u64) (unsigned long) efi_phys.systab;
 		if (md->phys_addr <= systab && systab < end) {
 			systab += md->virt_addr - md->phys_addr;
diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
index e36bf714cb77..40e446941dd7 100644
--- a/arch/x86/platform/efi/efi_32.c
+++ b/arch/x86/platform/efi/efi_32.c
@@ -39,43 +39,14 @@
  */
 
 static unsigned long efi_rt_eflags;
-static pgd_t efi_bak_pg_dir_pointer[2];
 
 void efi_call_phys_prelog(void)
 {
-	unsigned long cr4;
-	unsigned long temp;
 	struct desc_ptr gdt_descr;
 
 	local_irq_save(efi_rt_eflags);
 
-	/*
-	 * If I don't have PAE, I should just duplicate two entries in page
-	 * directory. If I have PAE, I just need to duplicate one entry in
-	 * page directory.
-	 */
-	cr4 = read_cr4_safe();
-
-	if (cr4 & X86_CR4_PAE) {
-		efi_bak_pg_dir_pointer[0].pgd =
-		    swapper_pg_dir[pgd_index(0)].pgd;
-		swapper_pg_dir[0].pgd =
-		    swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
-	} else {
-		efi_bak_pg_dir_pointer[0].pgd =
-		    swapper_pg_dir[pgd_index(0)].pgd;
-		efi_bak_pg_dir_pointer[1].pgd =
-		    swapper_pg_dir[pgd_index(0x400000)].pgd;
-		swapper_pg_dir[pgd_index(0)].pgd =
-		    swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
-		temp = PAGE_OFFSET + 0x400000;
-		swapper_pg_dir[pgd_index(0x400000)].pgd =
-		    swapper_pg_dir[pgd_index(temp)].pgd;
-	}
-
-	/*
-	 * After the lock is released, the original page table is restored.
-	 */
+	load_cr3(initial_page_table);
 	__flush_tlb_all();
 
 	gdt_descr.address = __pa(get_cpu_gdt_table(0));
@@ -85,28 +56,13 @@ void efi_call_phys_prelog(void)
 
 void efi_call_phys_epilog(void)
 {
-	unsigned long cr4;
 	struct desc_ptr gdt_descr;
 
 	gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
 	gdt_descr.size = GDT_SIZE - 1;
 	load_gdt(&gdt_descr);
 
-	cr4 = read_cr4_safe();
-
-	if (cr4 & X86_CR4_PAE) {
-		swapper_pg_dir[pgd_index(0)].pgd =
-		    efi_bak_pg_dir_pointer[0].pgd;
-	} else {
-		swapper_pg_dir[pgd_index(0)].pgd =
-		    efi_bak_pg_dir_pointer[0].pgd;
-		swapper_pg_dir[pgd_index(0x400000)].pgd =
-		    efi_bak_pg_dir_pointer[1].pgd;
-	}
-
-	/*
-	 * After the lock is released, the original page table is restored.
-	 */
+	load_cr3(swapper_pg_dir);
 	__flush_tlb_all();
 
 	local_irq_restore(efi_rt_eflags);
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 312250c6b2de..ac3aa54e2654 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -80,3 +80,20 @@ void __init efi_call_phys_epilog(void)
 	local_irq_restore(efi_flags);
 	early_code_mapping_set_exec(0);
 }
+
+void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
+				 u32 type)
+{
+	unsigned long last_map_pfn;
+
+	if (type == EFI_MEMORY_MAPPED_IO)
+		return ioremap(phys_addr, size);
+
+	last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size);
+	if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size) {
+		unsigned long top = last_map_pfn << PAGE_SHIFT;
+		efi_ioremap(top, size - (top - phys_addr), type);
+	}
+
+	return (void __iomem *)__va(phys_addr);
+}
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 1093f80c162d..b2c7179fa263 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -173,9 +173,21 @@ static unsigned long __init xen_get_max_pages(void)
 	domid_t domid = DOMID_SELF;
 	int ret;
 
-	ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
-	if (ret > 0)
-		max_pages = ret;
+	/*
+	 * For the initial domain we use the maximum reservation as
+	 * the maximum page.
+	 *
+	 * For guest domains the current maximum reservation reflects
+	 * the current maximum rather than the static maximum. In this
+	 * case the e820 map provided to us will cover the static
+	 * maximum region.
+	 */
+	if (xen_initial_domain()) {
+		ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
+		if (ret > 0)
+			max_pages = ret;
+	}
+
 	return min(max_pages, MAX_DOMAIN_PAGES);
 }
 
diff --git a/block/blk-core.c b/block/blk-core.c
index ea70e6c80cd3..15de223c7f93 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -366,7 +366,14 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
 		if (drain_all)
 			blk_throtl_drain(q);
 
-		__blk_run_queue(q);
+		/*
+		 * This function might be called on a queue which failed
+		 * driver init after queue creation.  Some drivers
+		 * (e.g. fd) get unhappy in such cases.  Kick queue iff
+		 * dispatch queue has something on it.
+		 */
+		if (!list_empty(&q->queue_head))
+			__blk_run_queue(q);
 
 		if (drain_all)
 			nr_rqs = q->rq.count[0] + q->rq.count[1];
@@ -467,6 +474,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 	q->backing_dev_info.state = 0;
 	q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
 	q->backing_dev_info.name = "block";
+	q->node = node_id;
 
 	err = bdi_init(&q->backing_dev_info);
 	if (err) {
@@ -551,7 +559,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 	if (!uninit_q)
 		return NULL;
 
-	q = blk_init_allocated_queue_node(uninit_q, rfn, lock, node_id);
+	q = blk_init_allocated_queue(uninit_q, rfn, lock);
 	if (!q)
 		blk_cleanup_queue(uninit_q);
 
@@ -563,18 +571,9 @@ struct request_queue *
 blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
 			 spinlock_t *lock)
 {
-	return blk_init_allocated_queue_node(q, rfn, lock, -1);
-}
-EXPORT_SYMBOL(blk_init_allocated_queue);
-
-struct request_queue *
-blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
-			      spinlock_t *lock, int node_id)
-{
 	if (!q)
 		return NULL;
 
-	q->node = node_id;
 	if (blk_init_free_list(q))
 		return NULL;
 
@@ -604,7 +603,7 @@ blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
 
 	return NULL;
 }
-EXPORT_SYMBOL(blk_init_allocated_queue_node);
+EXPORT_SYMBOL(blk_init_allocated_queue);
 
 int blk_get_queue(struct request_queue *q)
 {
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 16ace89613bc..4c12869fcf77 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3184,7 +3184,7 @@ static int cfq_cic_link(struct cfq_data *cfqd, struct io_context *ioc,
 		}
 	}
 
-	if (ret)
+	if (ret && ret != -EEXIST)
 		printk(KERN_ERR "cfq: cic link failed!\n");
 
 	return ret;
@@ -3200,6 +3200,7 @@ cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
 {
 	struct io_context *ioc = NULL;
 	struct cfq_io_context *cic;
+	int ret;
 
 	might_sleep_if(gfp_mask & __GFP_WAIT);
 
@@ -3207,6 +3208,7 @@ cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
 	if (!ioc)
 		return NULL;
 
+retry:
 	cic = cfq_cic_lookup(cfqd, ioc);
 	if (cic)
 		goto out;
@@ -3215,7 +3217,12 @@ cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
 	if (cic == NULL)
 		goto err;
 
-	if (cfq_cic_link(cfqd, ioc, cic, gfp_mask))
+	ret = cfq_cic_link(cfqd, ioc, cic, gfp_mask);
+	if (ret == -EEXIST) {
+		/* someone has linked cic to ioc already */
+		cfq_cic_free(cic);
+		goto retry;
+	} else if (ret)
 		goto err_free;
 
 out:
@@ -4036,6 +4043,11 @@ static void *cfq_init_queue(struct request_queue *q)
 
 	if (blkio_alloc_blkg_stats(&cfqg->blkg)) {
 		kfree(cfqg);
+
+		spin_lock(&cic_index_lock);
+		ida_remove(&cic_index_ida, cfqd->cic_index);
+		spin_unlock(&cic_index_lock);
+
 		kfree(cfqd);
 		return NULL;
 	}
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 6bdedd7cca2c..cf047c406d92 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -820,7 +820,7 @@ config PATA_PLATFORM
 
 config PATA_OF_PLATFORM
 	tristate "OpenFirmware platform device PATA support"
-	depends on PATA_PLATFORM && OF
+	depends on PATA_PLATFORM && OF && OF_IRQ
 	help
 	  This option enables support for generic directly connected ATA
 	  devices commonly found on embedded systems with OpenFirmware
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 8004ac30a7a8..587cce57adae 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2601,6 +2601,8 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
 			c->Request.Timeout = 0;
 			c->Request.CDB[0] = BMIC_WRITE;
 			c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+			c->Request.CDB[7] = (size >> 8) & 0xFF;
+			c->Request.CDB[8] = size & 0xFF;
 			break;
 		case TEST_UNIT_READY:
 			c->Request.CDBLen = 6;
@@ -4880,7 +4882,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 {
 	if (h->msix_vector || h->msi_vector) {
 		if (!request_irq(h->intr[h->intr_mode], msixhandler,
-				IRQF_DISABLED, h->devname, h))
+				0, h->devname, h))
 			return 0;
 		dev_err(&h->pdev->dev, "Unable to get msi irq %d"
 			" for %s\n", h->intr[h->intr_mode],
@@ -4889,7 +4891,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 	}
 
 	if (!request_irq(h->intr[h->intr_mode], intxhandler,
-			IRQF_DISABLED, h->devname, h))
+			IRQF_SHARED, h->devname, h))
 		return 0;
 	dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
 		h->intr[h->intr_mode], h->devname);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 68b205a9338f..1e888c9e85b3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -422,7 +422,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
 
 		/*
 		 * We use punch hole to reclaim the free space used by the
-		 * image a.k.a. discard. However we do support discard if
+		 * image a.k.a. discard. However we do not support discard if
 		 * encryption is enabled, because it may give an attacker
 		 * useful information.
 		 */
@@ -797,7 +797,7 @@ static void loop_config_discard(struct loop_device *lo)
 	}
 
 	q->limits.discard_granularity = inode->i_sb->s_blocksize;
-	q->limits.discard_alignment = inode->i_sb->s_blocksize;
+	q->limits.discard_alignment = 0;
 	q->limits.max_discard_sectors = UINT_MAX >> 9;
 	q->limits.discard_zeroes_data = 1;
 	queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 65cc424359b0..148ab944378d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -183,10 +183,6 @@ static LIST_HEAD(rbd_client_list);      /* clients */
 
 static int __rbd_init_snaps_header(struct rbd_device *rbd_dev);
 static void rbd_dev_release(struct device *dev);
-static ssize_t rbd_snap_rollback(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf,
-				 size_t size);
 static ssize_t rbd_snap_add(struct device *dev,
 			    struct device_attribute *attr,
 			    const char *buf,
@@ -461,6 +457,10 @@ static int rbd_header_from_disk(struct rbd_image_header *header,
 	u32 snap_count = le32_to_cpu(ondisk->snap_count);
 	int ret = -ENOMEM;
 
+	if (memcmp(ondisk, RBD_HEADER_TEXT, sizeof(RBD_HEADER_TEXT))) {
+		return -ENXIO;
+	}
+
 	init_rwsem(&header->snap_rwsem);
 	header->snap_names_len = le64_to_cpu(ondisk->snap_names_len);
 	header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
@@ -1356,32 +1356,6 @@ fail:
 }
 
 /*
- * Request sync osd rollback
- */
-static int rbd_req_sync_rollback_obj(struct rbd_device *dev,
-				     u64 snapid,
-				     const char *obj)
-{
-	struct ceph_osd_req_op *ops;
-	int ret = rbd_create_rw_ops(&ops, 1, CEPH_OSD_OP_ROLLBACK, 0);
-	if (ret < 0)
-		return ret;
-
-	ops[0].snap.snapid = snapid;
-
-	ret = rbd_req_sync_op(dev, NULL,
-			       CEPH_NOSNAP,
-			       0,
-			       CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
-			       ops,
-			       1, obj, 0, 0, NULL, NULL, NULL);
-
-	rbd_destroy_ops(ops);
-
-	return ret;
-}
-
-/*
  * Request sync osd read
  */
 static int rbd_req_sync_exec(struct rbd_device *dev,
@@ -1610,8 +1584,13 @@ static int rbd_read_header(struct rbd_device *rbd_dev,
 			goto out_dh;
 
 		rc = rbd_header_from_disk(header, dh, snap_count, GFP_KERNEL);
-		if (rc < 0)
+		if (rc < 0) {
+			if (rc == -ENXIO) {
+				pr_warning("unrecognized header format"
+					   " for image %s", rbd_dev->obj);
+			}
 			goto out_dh;
+		}
 
 		if (snap_count != header->total_snaps) {
 			snap_count = header->total_snaps;
@@ -1882,7 +1861,6 @@ static DEVICE_ATTR(name, S_IRUGO, rbd_name_show, NULL);
 static DEVICE_ATTR(refresh, S_IWUSR, NULL, rbd_image_refresh);
 static DEVICE_ATTR(current_snap, S_IRUGO, rbd_snap_show, NULL);
 static DEVICE_ATTR(create_snap, S_IWUSR, NULL, rbd_snap_add);
-static DEVICE_ATTR(rollback_snap, S_IWUSR, NULL, rbd_snap_rollback);
 
 static struct attribute *rbd_attrs[] = {
 	&dev_attr_size.attr,
@@ -1893,7 +1871,6 @@ static struct attribute *rbd_attrs[] = {
 	&dev_attr_current_snap.attr,
 	&dev_attr_refresh.attr,
 	&dev_attr_create_snap.attr,
-	&dev_attr_rollback_snap.attr,
 	NULL
 };
 
@@ -2424,64 +2401,6 @@ err_unlock:
 	return ret;
 }
 
-static ssize_t rbd_snap_rollback(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf,
-				 size_t count)
-{
-	struct rbd_device *rbd_dev = dev_to_rbd(dev);
-	int ret;
-	u64 snapid;
-	u64 cur_ofs;
-	char *seg_name = NULL;
-	char *snap_name = kmalloc(count + 1, GFP_KERNEL);
-	ret = -ENOMEM;
-	if (!snap_name)
-		return ret;
-
-	/* parse snaps add command */
-	snprintf(snap_name, count, "%s", buf);
-	seg_name = kmalloc(RBD_MAX_SEG_NAME_LEN + 1, GFP_NOIO);
-	if (!seg_name)
-		goto done;
-
-	mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
-
-	ret = snap_by_name(&rbd_dev->header, snap_name, &snapid, NULL);
-	if (ret < 0)
-		goto done_unlock;
-
-	dout("snapid=%lld\n", snapid);
-
-	cur_ofs = 0;
-	while (cur_ofs < rbd_dev->header.image_size) {
-		cur_ofs += rbd_get_segment(&rbd_dev->header,
-					   rbd_dev->obj,
-					   cur_ofs, (u64)-1,
-					   seg_name, NULL);
-		dout("seg_name=%s\n", seg_name);
-
-		ret = rbd_req_sync_rollback_obj(rbd_dev, snapid, seg_name);
-		if (ret < 0)
-			pr_warning("could not roll back obj %s err=%d\n",
-				   seg_name, ret);
-	}
-
-	ret = __rbd_update_snaps(rbd_dev);
-	if (ret < 0)
-		goto done_unlock;
-
-	ret = count;
-
-done_unlock:
-	mutex_unlock(&ctl_mutex);
-done:
-	kfree(seg_name);
-	kfree(snap_name);
-
-	return ret;
-}
-
 static struct bus_attribute rbd_bus_attrs[] = {
 	__ATTR(add, S_IWUSR, NULL, rbd_add),
 	__ATTR(remove, S_IWUSR, NULL, rbd_remove),
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index ae3e167e17ad..89ddab127e33 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -16,6 +16,8 @@
  * handle GCR disks
  */
 
+#undef DEBUG
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -36,13 +38,11 @@
 #include <asm/machdep.h>
 #include <asm/pmac_feature.h>
 
-static DEFINE_MUTEX(swim3_mutex);
-static struct request_queue *swim3_queue;
-static struct gendisk *disks[2];
-static struct request *fd_req;
-
 #define MAX_FLOPPIES	2
 
+static DEFINE_MUTEX(swim3_mutex);
+static struct gendisk *disks[MAX_FLOPPIES];
+
 enum swim_state {
 	idle,
 	locating,
@@ -177,7 +177,6 @@ struct swim3 {
 
 struct floppy_state {
 	enum swim_state	state;
-	spinlock_t lock;
 	struct swim3 __iomem *swim3;	/* hardware registers */
 	struct dbdma_regs __iomem *dma;	/* DMA controller registers */
 	int	swim3_intr;	/* interrupt number for SWIM3 */
@@ -204,8 +203,20 @@ struct floppy_state {
 	int	wanted;
 	struct macio_dev *mdev;
 	char	dbdma_cmd_space[5 * sizeof(struct dbdma_cmd)];
+	int	index;
+	struct request *cur_req;
 };
 
+#define swim3_err(fmt, arg...)	dev_err(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_warn(fmt, arg...)	dev_warn(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_info(fmt, arg...)	dev_info(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+
+#ifdef DEBUG
+#define swim3_dbg(fmt, arg...)	dev_dbg(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#else
+#define swim3_dbg(fmt, arg...)	do { } while(0)
+#endif
+
 static struct floppy_state floppy_states[MAX_FLOPPIES];
 static int floppy_count = 0;
 static DEFINE_SPINLOCK(swim3_lock);
@@ -224,17 +235,8 @@ static unsigned short write_postamble[] = {
 	0, 0, 0, 0, 0, 0
 };
 
-static void swim3_select(struct floppy_state *fs, int sel);
-static void swim3_action(struct floppy_state *fs, int action);
-static int swim3_readbit(struct floppy_state *fs, int bit);
-static void do_fd_request(struct request_queue * q);
-static void start_request(struct floppy_state *fs);
-static void set_timeout(struct floppy_state *fs, int nticks,
-			void (*proc)(unsigned long));
-static void scan_track(struct floppy_state *fs);
 static void seek_track(struct floppy_state *fs, int n);
 static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count);
-static void setup_transfer(struct floppy_state *fs);
 static void act(struct floppy_state *fs);
 static void scan_timeout(unsigned long data);
 static void seek_timeout(unsigned long data);
@@ -254,18 +256,21 @@ static unsigned int floppy_check_events(struct gendisk *disk,
 					unsigned int clearing);
 static int floppy_revalidate(struct gendisk *disk);
 
-static bool swim3_end_request(int err, unsigned int nr_bytes)
+static bool swim3_end_request(struct floppy_state *fs, int err, unsigned int nr_bytes)
 {
-	if (__blk_end_request(fd_req, err, nr_bytes))
-		return true;
+	struct request *req = fs->cur_req;
+	int rc;
 
-	fd_req = NULL;
-	return false;
-}
+	swim3_dbg("  end request, err=%d nr_bytes=%d, cur_req=%p\n",
+		  err, nr_bytes, req);
 
-static bool swim3_end_request_cur(int err)
-{
-	return swim3_end_request(err, blk_rq_cur_bytes(fd_req));
+	if (err)
+		nr_bytes = blk_rq_cur_bytes(req);
+	rc = __blk_end_request(req, err, nr_bytes);
+	if (rc)
+		return true;
+	fs->cur_req = NULL;
+	return false;
 }
 
 static void swim3_select(struct floppy_state *fs, int sel)
@@ -303,50 +308,53 @@ static int swim3_readbit(struct floppy_state *fs, int bit)
 	return (stat & DATA) == 0;
 }
 
-static void do_fd_request(struct request_queue * q)
-{
-	int i;
-
-	for(i=0; i<floppy_count; i++) {
-		struct floppy_state *fs = &floppy_states[i];
-		if (fs->mdev->media_bay &&
-		    check_media_bay(fs->mdev->media_bay) != MB_FD)
-			continue;
-		start_request(fs);
-	}
-}
-
 static void start_request(struct floppy_state *fs)
 {
 	struct request *req;
 	unsigned long x;
 
+	swim3_dbg("start request, initial state=%d\n", fs->state);
+
 	if (fs->state == idle && fs->wanted) {
 		fs->state = available;
 		wake_up(&fs->wait);
 		return;
 	}
 	while (fs->state == idle) {
-		if (!fd_req) {
-			fd_req = blk_fetch_request(swim3_queue);
-			if (!fd_req)
+		swim3_dbg("start request, idle loop, cur_req=%p\n", fs->cur_req);
+		if (!fs->cur_req) {
+			fs->cur_req = blk_fetch_request(disks[fs->index]->queue);
+			swim3_dbg("  fetched request %p\n", fs->cur_req);
+			if (!fs->cur_req)
 				break;
 		}
-		req = fd_req;
-#if 0
-		printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
-		       req->rq_disk->disk_name, req->cmd,
-		       (long)blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
-		printk("           errors=%d current_nr_sectors=%u\n",
-		       req->errors, blk_rq_cur_sectors(req));
+		req = fs->cur_req;
+
+		if (fs->mdev->media_bay &&
+		    check_media_bay(fs->mdev->media_bay) != MB_FD) {
+			swim3_dbg("%s", "  media bay absent, dropping req\n");
+			swim3_end_request(fs, -ENODEV, 0);
+			continue;
+		}
+
+#if 0 /* This is really too verbose */
+		swim3_dbg("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
+			  req->rq_disk->disk_name, req->cmd,
+			  (long)blk_rq_pos(req), blk_rq_sectors(req),
+			  req->buffer);
+		swim3_dbg("           errors=%d current_nr_sectors=%u\n",
+			  req->errors, blk_rq_cur_sectors(req));
 #endif
 
 		if (blk_rq_pos(req) >= fs->total_secs) {
-			swim3_end_request_cur(-EIO);
+			swim3_dbg("  pos out of bounds (%ld, max is %ld)\n",
+				  (long)blk_rq_pos(req), (long)fs->total_secs);
+			swim3_end_request(fs, -EIO, 0);
 			continue;
 		}
 		if (fs->ejected) {
-			swim3_end_request_cur(-EIO);
+			swim3_dbg("%s", "  disk ejected\n");
+			swim3_end_request(fs, -EIO, 0);
 			continue;
 		}
 
@@ -354,7 +362,8 @@ static void start_request(struct floppy_state *fs)
 			if (fs->write_prot < 0)
 				fs->write_prot = swim3_readbit(fs, WRITE_PROT);
 			if (fs->write_prot) {
-				swim3_end_request_cur(-EIO);
+				swim3_dbg("%s", "  try to write, disk write protected\n");
+				swim3_end_request(fs, -EIO, 0);
 				continue;
 			}
 		}
@@ -369,7 +378,6 @@ static void start_request(struct floppy_state *fs)
 		x = ((long)blk_rq_pos(req)) % fs->secpercyl;
 		fs->head = x / fs->secpertrack;
 		fs->req_sector = x % fs->secpertrack + 1;
-		fd_req = req;
 		fs->state = do_transfer;
 		fs->retries = 0;
 
@@ -377,12 +385,14 @@ static void start_request(struct floppy_state *fs)
 	}
 }
 
+static void do_fd_request(struct request_queue * q)
+{
+	start_request(q->queuedata);
+}
+
 static void set_timeout(struct floppy_state *fs, int nticks,
 			void (*proc)(unsigned long))
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&fs->lock, flags);
 	if (fs->timeout_pending)
 		del_timer(&fs->timeout);
 	fs->timeout.expires = jiffies + nticks;
@@ -390,7 +400,6 @@ static void set_timeout(struct floppy_state *fs, int nticks,
 	fs->timeout.data = (unsigned long) fs;
 	add_timer(&fs->timeout);
 	fs->timeout_pending = 1;
-	spin_unlock_irqrestore(&fs->lock, flags);
 }
 
 static inline void scan_track(struct floppy_state *fs)
@@ -442,40 +451,45 @@ static inline void setup_transfer(struct floppy_state *fs)
 	struct swim3 __iomem *sw = fs->swim3;
 	struct dbdma_cmd *cp = fs->dma_cmd;
 	struct dbdma_regs __iomem *dr = fs->dma;
+	struct request *req = fs->cur_req;
 
-	if (blk_rq_cur_sectors(fd_req) <= 0) {
-		printk(KERN_ERR "swim3: transfer 0 sectors?\n");
+	if (blk_rq_cur_sectors(req) <= 0) {
+		swim3_warn("%s", "Transfer 0 sectors ?\n");
 		return;
 	}
-	if (rq_data_dir(fd_req) == WRITE)
+	if (rq_data_dir(req) == WRITE)
 		n = 1;
 	else {
 		n = fs->secpertrack - fs->req_sector + 1;
-		if (n > blk_rq_cur_sectors(fd_req))
-			n = blk_rq_cur_sectors(fd_req);
+		if (n > blk_rq_cur_sectors(req))
+			n = blk_rq_cur_sectors(req);
 	}
+
+	swim3_dbg("  setup xfer at sect %d (of %d) head %d for %d\n",
+		  fs->req_sector, fs->secpertrack, fs->head, n);
+
 	fs->scount = n;
 	swim3_select(fs, fs->head? READ_DATA_1: READ_DATA_0);
 	out_8(&sw->sector, fs->req_sector);
 	out_8(&sw->nsect, n);
 	out_8(&sw->gap3, 0);
 	out_le32(&dr->cmdptr, virt_to_bus(cp));
-	if (rq_data_dir(fd_req) == WRITE) {
+	if (rq_data_dir(req) == WRITE) {
 		/* Set up 3 dma commands: write preamble, data, postamble */
 		init_dma(cp, OUTPUT_MORE, write_preamble, sizeof(write_preamble));
 		++cp;
-		init_dma(cp, OUTPUT_MORE, fd_req->buffer, 512);
+		init_dma(cp, OUTPUT_MORE, req->buffer, 512);
 		++cp;
 		init_dma(cp, OUTPUT_LAST, write_postamble, sizeof(write_postamble));
 	} else {
-		init_dma(cp, INPUT_LAST, fd_req->buffer, n * 512);
+		init_dma(cp, INPUT_LAST, req->buffer, n * 512);
 	}
 	++cp;
 	out_le16(&cp->command, DBDMA_STOP);
 	out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
 	in_8(&sw->error);
 	out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
-	if (rq_data_dir(fd_req) == WRITE)
+	if (rq_data_dir(req) == WRITE)
 		out_8(&sw->control_bis, WRITE_SECTORS);
 	in_8(&sw->intr);
 	out_le32(&dr->control, (RUN << 16) | RUN);
@@ -488,12 +502,16 @@ static inline void setup_transfer(struct floppy_state *fs)
 static void act(struct floppy_state *fs)
 {
 	for (;;) {
+		swim3_dbg("  act loop, state=%d, req_cyl=%d, cur_cyl=%d\n",
+			  fs->state, fs->req_cyl, fs->cur_cyl);
+
 		switch (fs->state) {
 		case idle:
 			return;		/* XXX shouldn't get here */
 
 		case locating:
 			if (swim3_readbit(fs, TRACK_ZERO)) {
+				swim3_dbg("%s", "    locate track 0\n");
 				fs->cur_cyl = 0;
 				if (fs->req_cyl == 0)
 					fs->state = do_transfer;
@@ -511,7 +529,7 @@ static void act(struct floppy_state *fs)
 				break;
 			}
 			if (fs->req_cyl == fs->cur_cyl) {
-				printk("whoops, seeking 0\n");
+				swim3_warn("%s", "Whoops, seeking 0\n");
 				fs->state = do_transfer;
 				break;
 			}
@@ -527,7 +545,9 @@ static void act(struct floppy_state *fs)
 		case do_transfer:
 			if (fs->cur_cyl != fs->req_cyl) {
 				if (fs->retries > 5) {
-					swim3_end_request_cur(-EIO);
+					swim3_err("Wrong cylinder in transfer, want: %d got %d\n",
+						  fs->req_cyl, fs->cur_cyl);
+					swim3_end_request(fs, -EIO, 0);
 					fs->state = idle;
 					return;
 				}
@@ -542,7 +562,7 @@ static void act(struct floppy_state *fs)
 			return;
 
 		default:
-			printk(KERN_ERR"swim3: unknown state %d\n", fs->state);
+			swim3_err("Unknown state %d\n", fs->state);
 			return;
 		}
 	}
@@ -552,59 +572,75 @@ static void scan_timeout(unsigned long data)
 {
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
+	unsigned long flags;
+
+	swim3_dbg("* scan timeout, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
 	out_8(&sw->select, RELAX);
 	out_8(&sw->intr_enable, 0);
 	fs->cur_cyl = -1;
 	if (fs->retries > 5) {
-		swim3_end_request_cur(-EIO);
+		swim3_end_request(fs, -EIO, 0);
 		fs->state = idle;
 		start_request(fs);
 	} else {
 		fs->state = jogging;
 		act(fs);
 	}
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static void seek_timeout(unsigned long data)
 {
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
+	unsigned long flags;
+
+	swim3_dbg("* seek timeout, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	out_8(&sw->control_bic, DO_SEEK);
 	out_8(&sw->select, RELAX);
 	out_8(&sw->intr_enable, 0);
-	printk(KERN_ERR "swim3: seek timeout\n");
-	swim3_end_request_cur(-EIO);
+	swim3_err("%s", "Seek timeout\n");
+	swim3_end_request(fs, -EIO, 0);
 	fs->state = idle;
 	start_request(fs);
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static void settle_timeout(unsigned long data)
 {
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
+	unsigned long flags;
+
+	swim3_dbg("* settle timeout, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	if (swim3_readbit(fs, SEEK_COMPLETE)) {
 		out_8(&sw->select, RELAX);
 		fs->state = locating;
 		act(fs);
-		return;
+		goto unlock;
 	}
 	out_8(&sw->select, RELAX);
 	if (fs->settle_time < 2*HZ) {
 		++fs->settle_time;
 		set_timeout(fs, 1, settle_timeout);
-		return;
+		goto unlock;
 	}
-	printk(KERN_ERR "swim3: seek settle timeout\n");
-	swim3_end_request_cur(-EIO);
+	swim3_err("%s", "Seek settle timeout\n");
+	swim3_end_request(fs, -EIO, 0);
 	fs->state = idle;
 	start_request(fs);
+ unlock:
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static void xfer_timeout(unsigned long data)
@@ -612,8 +648,12 @@ static void xfer_timeout(unsigned long data)
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
 	struct dbdma_regs __iomem *dr = fs->dma;
+	unsigned long flags;
 	int n;
 
+	swim3_dbg("* xfer timeout, state=%d\n", fs->state);
+
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	out_le32(&dr->control, RUN << 16);
 	/* We must wait a bit for dbdma to stop */
@@ -622,12 +662,13 @@ static void xfer_timeout(unsigned long data)
 	out_8(&sw->intr_enable, 0);
 	out_8(&sw->control_bic, WRITE_SECTORS | DO_ACTION);
 	out_8(&sw->select, RELAX);
-	printk(KERN_ERR "swim3: timeout %sing sector %ld\n",
-	       (rq_data_dir(fd_req)==WRITE? "writ": "read"),
-	       (long)blk_rq_pos(fd_req));
-	swim3_end_request_cur(-EIO);
+	swim3_err("Timeout %sing sector %ld\n",
+	       (rq_data_dir(fs->cur_req)==WRITE? "writ": "read"),
+	       (long)blk_rq_pos(fs->cur_req));
+	swim3_end_request(fs, -EIO, 0);
 	fs->state = idle;
 	start_request(fs);
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static irqreturn_t swim3_interrupt(int irq, void *dev_id)
@@ -638,12 +679,17 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 	int stat, resid;
 	struct dbdma_regs __iomem *dr;
 	struct dbdma_cmd *cp;
+	unsigned long flags;
+	struct request *req = fs->cur_req;
+
+	swim3_dbg("* interrupt, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	intr = in_8(&sw->intr);
 	err = (intr & ERROR_INTR)? in_8(&sw->error): 0;
 	if ((intr & ERROR_INTR) && fs->state != do_transfer)
-		printk(KERN_ERR "swim3_interrupt, state=%d, dir=%x, intr=%x, err=%x\n",
-		       fs->state, rq_data_dir(fd_req), intr, err);
+		swim3_err("Non-transfer error interrupt: state=%d, dir=%x, intr=%x, err=%x\n",
+			  fs->state, rq_data_dir(req), intr, err);
 	switch (fs->state) {
 	case locating:
 		if (intr & SEEN_SECTOR) {
@@ -653,10 +699,10 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 			del_timer(&fs->timeout);
 			fs->timeout_pending = 0;
 			if (sw->ctrack == 0xff) {
-				printk(KERN_ERR "swim3: seen sector but cyl=ff?\n");
+				swim3_err("%s", "Seen sector but cyl=ff?\n");
 				fs->cur_cyl = -1;
 				if (fs->retries > 5) {
-					swim3_end_request_cur(-EIO);
+					swim3_end_request(fs, -EIO, 0);
 					fs->state = idle;
 					start_request(fs);
 				} else {
@@ -668,8 +714,8 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 			fs->cur_cyl = sw->ctrack;
 			fs->cur_sector = sw->csect;
 			if (fs->expect_cyl != -1 && fs->expect_cyl != fs->cur_cyl)
-				printk(KERN_ERR "swim3: expected cyl %d, got %d\n",
-				       fs->expect_cyl, fs->cur_cyl);
+				swim3_err("Expected cyl %d, got %d\n",
+					  fs->expect_cyl, fs->cur_cyl);
 			fs->state = do_transfer;
 			act(fs);
 		}
@@ -704,7 +750,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 		fs->timeout_pending = 0;
 		dr = fs->dma;
 		cp = fs->dma_cmd;
-		if (rq_data_dir(fd_req) == WRITE)
+		if (rq_data_dir(req) == WRITE)
 			++cp;
 		/*
 		 * Check that the main data transfer has finished.
@@ -729,31 +775,32 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 		if (intr & ERROR_INTR) {
 			n = fs->scount - 1 - resid / 512;
 			if (n > 0) {
-				blk_update_request(fd_req, 0, n << 9);
+				blk_update_request(req, 0, n << 9);
 				fs->req_sector += n;
 			}
 			if (fs->retries < 5) {
 				++fs->retries;
 				act(fs);
 			} else {
-				printk("swim3: error %sing block %ld (err=%x)\n",
-				       rq_data_dir(fd_req) == WRITE? "writ": "read",
-				       (long)blk_rq_pos(fd_req), err);
-				swim3_end_request_cur(-EIO);
+				swim3_err("Error %sing block %ld (err=%x)\n",
+				       rq_data_dir(req) == WRITE? "writ": "read",
+				       (long)blk_rq_pos(req), err);
+				swim3_end_request(fs, -EIO, 0);
 				fs->state = idle;
 			}
 		} else {
 			if ((stat & ACTIVE) == 0 || resid != 0) {
 				/* musta been an error */
-				printk(KERN_ERR "swim3: fd dma: stat=%x resid=%d\n", stat, resid);
-				printk(KERN_ERR "  state=%d, dir=%x, intr=%x, err=%x\n",
-				       fs->state, rq_data_dir(fd_req), intr, err);
-				swim3_end_request_cur(-EIO);
+				swim3_err("fd dma error: stat=%x resid=%d\n", stat, resid);
+				swim3_err("  state=%d, dir=%x, intr=%x, err=%x\n",
+					  fs->state, rq_data_dir(req), intr, err);
+				swim3_end_request(fs, -EIO, 0);
 				fs->state = idle;
 				start_request(fs);
 				break;
 			}
-			if (swim3_end_request(0, fs->scount << 9)) {
+			fs->retries = 0;
+			if (swim3_end_request(fs, 0, fs->scount << 9)) {
 				fs->req_sector += fs->scount;
 				if (fs->req_sector > fs->secpertrack) {
 					fs->req_sector -= fs->secpertrack;
@@ -770,8 +817,9 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 			start_request(fs);
 		break;
 	default:
-		printk(KERN_ERR "swim3: don't know what to do in state %d\n", fs->state);
+		swim3_err("Don't know what to do in state %d\n", fs->state);
 	}
+	spin_unlock_irqrestore(&swim3_lock, flags);
 	return IRQ_HANDLED;
 }
 
@@ -781,26 +829,31 @@ static void fd_dma_interrupt(int irq, void *dev_id)
 }
 */
 
+/* Called under the mutex to grab exclusive access to a drive */
 static int grab_drive(struct floppy_state *fs, enum swim_state state,
 		      int interruptible)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&fs->lock, flags);
-	if (fs->state != idle) {
+	swim3_dbg("%s", "-> grab drive\n");
+
+	spin_lock_irqsave(&swim3_lock, flags);
+	if (fs->state != idle && fs->state != available) {
 		++fs->wanted;
 		while (fs->state != available) {
+			spin_unlock_irqrestore(&swim3_lock, flags);
 			if (interruptible && signal_pending(current)) {
 				--fs->wanted;
-				spin_unlock_irqrestore(&fs->lock, flags);
 				return -EINTR;
 			}
 			interruptible_sleep_on(&fs->wait);
+			spin_lock_irqsave(&swim3_lock, flags);
 		}
 		--fs->wanted;
 	}
 	fs->state = state;
-	spin_unlock_irqrestore(&fs->lock, flags);
+	spin_unlock_irqrestore(&swim3_lock, flags);
+
 	return 0;
 }
 
@@ -808,10 +861,12 @@ static void release_drive(struct floppy_state *fs)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&fs->lock, flags);
+	swim3_dbg("%s", "-> release drive\n");
+
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->state = idle;
 	start_request(fs);
-	spin_unlock_irqrestore(&fs->lock, flags);
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static int fd_eject(struct floppy_state *fs)
@@ -966,6 +1021,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
 	struct floppy_state *fs = disk->private_data;
 	struct swim3 __iomem *sw = fs->swim3;
+
 	mutex_lock(&swim3_mutex);
 	if (fs->ref_count > 0 && --fs->ref_count == 0) {
 		swim3_action(fs, MOTOR_OFF);
@@ -1031,30 +1087,48 @@ static const struct block_device_operations floppy_fops = {
 	.revalidate_disk= floppy_revalidate,
 };
 
+static void swim3_mb_event(struct macio_dev* mdev, int mb_state)
+{
+	struct floppy_state *fs = macio_get_drvdata(mdev);
+	struct swim3 __iomem *sw = fs->swim3;
+
+	if (!fs)
+		return;
+	if (mb_state != MB_FD)
+		return;
+
+	/* Clear state */
+	out_8(&sw->intr_enable, 0);
+	in_8(&sw->intr);
+	in_8(&sw->error);
+}
+
 static int swim3_add_device(struct macio_dev *mdev, int index)
 {
 	struct device_node *swim = mdev->ofdev.dev.of_node;
 	struct floppy_state *fs = &floppy_states[index];
 	int rc = -EBUSY;
 
+	/* Do this first for message macros */
+	memset(fs, 0, sizeof(*fs));
+	fs->mdev = mdev;
+	fs->index = index;
+
 	/* Check & Request resources */
 	if (macio_resource_count(mdev) < 2) {
-		printk(KERN_WARNING "ifd%d: no address for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "No address in device-tree\n");
 		return -ENXIO;
 	}
-	if (macio_irq_count(mdev) < 2) {
-		printk(KERN_WARNING "fd%d: no intrs for device %s\n",
-			index, swim->full_name);
+	if (macio_irq_count(mdev) < 1) {
+		swim3_err("%s", "No interrupt in device-tree\n");
+		return -ENXIO;
 	}
 	if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
-		printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Can't request mmio resource\n");
 		return -EBUSY;
 	}
 	if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
-		printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Can't request dma resource\n");
 		macio_release_resource(mdev, 0);
 		return -EBUSY;
 	}
@@ -1063,22 +1137,18 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 	if (mdev->media_bay == NULL)
 		pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
 	
-	memset(fs, 0, sizeof(*fs));
-	spin_lock_init(&fs->lock);
 	fs->state = idle;
 	fs->swim3 = (struct swim3 __iomem *)
 		ioremap(macio_resource_start(mdev, 0), 0x200);
 	if (fs->swim3 == NULL) {
-		printk("fd%d: couldn't map registers for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Couldn't map mmio registers\n");
 		rc = -ENOMEM;
 		goto out_release;
 	}
 	fs->dma = (struct dbdma_regs __iomem *)
 		ioremap(macio_resource_start(mdev, 1), 0x200);
 	if (fs->dma == NULL) {
-		printk("fd%d: couldn't map DMA for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Couldn't map dma registers\n");
 		iounmap(fs->swim3);
 		rc = -ENOMEM;
 		goto out_release;
@@ -1090,31 +1160,25 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 	fs->secpercyl = 36;
 	fs->secpertrack = 18;
 	fs->total_secs = 2880;
-	fs->mdev = mdev;
 	init_waitqueue_head(&fs->wait);
 
 	fs->dma_cmd = (struct dbdma_cmd *) DBDMA_ALIGN(fs->dbdma_cmd_space);
 	memset(fs->dma_cmd, 0, 2 * sizeof(struct dbdma_cmd));
 	st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
 
+	if (mdev->media_bay == NULL || check_media_bay(mdev->media_bay) == MB_FD)
+		swim3_mb_event(mdev, MB_FD);
+
 	if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
-		printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
-		       index, fs->swim3_intr, swim->full_name);
+		swim3_err("%s", "Couldn't request interrupt\n");
 		pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
 		goto out_unmap;
 		return -EBUSY;
 	}
-/*
-	if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
-		printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
-		       fs->dma_intr);
-		return -EBUSY;
-	}
-*/
 
 	init_timer(&fs->timeout);
 
-	printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
+	swim3_info("SWIM3 floppy controller %s\n",
 		mdev->media_bay ? "in media bay" : "");
 
 	return 0;
@@ -1132,41 +1196,42 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 
 static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
 {
-	int i, rc;
 	struct gendisk *disk;
+	int index, rc;
+
+	index = floppy_count++;
+	if (index >= MAX_FLOPPIES)
+		return -ENXIO;
 
 	/* Add the drive */
-	rc = swim3_add_device(mdev, floppy_count);
+	rc = swim3_add_device(mdev, index);
 	if (rc)
 		return rc;
+	/* Now register that disk. Same comment about failure handling */
+	disk = disks[index] = alloc_disk(1);
+	if (disk == NULL)
+		return -ENOMEM;
+	disk->queue = blk_init_queue(do_fd_request, &swim3_lock);
+	if (disk->queue == NULL) {
+		put_disk(disk);
+		return -ENOMEM;
+	}
+	disk->queue->queuedata = &floppy_states[index];
 
-	/* Now create the queue if not there yet */
-	if (swim3_queue == NULL) {
+	if (index == 0) {
 		/* If we failed, there isn't much we can do as the driver is still
 		 * too dumb to remove the device, just bail out
 		 */
 		if (register_blkdev(FLOPPY_MAJOR, "fd"))
 			return 0;
-		swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
-		if (swim3_queue == NULL) {
-			unregister_blkdev(FLOPPY_MAJOR, "fd");
-			return 0;
-		}
 	}
 
-	/* Now register that disk. Same comment about failure handling */
-	i = floppy_count++;
-	disk = disks[i] = alloc_disk(1);
-	if (disk == NULL)
-		return 0;
-
 	disk->major = FLOPPY_MAJOR;
-	disk->first_minor = i;
+	disk->first_minor = index;
 	disk->fops = &floppy_fops;
-	disk->private_data = &floppy_states[i];
-	disk->queue = swim3_queue;
+	disk->private_data = &floppy_states[index];
 	disk->flags |= GENHD_FL_REMOVABLE;
-	sprintf(disk->disk_name, "fd%d", i);
+	sprintf(disk->disk_name, "fd%d", index);
 	set_capacity(disk, 2880);
 	add_disk(disk);
 
@@ -1194,6 +1259,9 @@ static struct macio_driver swim3_driver =
 		.of_match_table	= swim3_match,
 	},
 	.probe		= swim3_attach,
+#ifdef CONFIG_PMAC_MEDIABAY
+	.mediabay_event	= swim3_mb_event,
+#endif
 #if 0
 	.suspend	= swim3_suspend,
 	.resume		= swim3_resume,
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 11b41fd40c27..5ccf142ef0b8 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -188,7 +188,7 @@ config BT_MRVL
 	  The core driver to support Marvell Bluetooth devices.
 
 	  This driver is required if you want to support
-	  Marvell Bluetooth devices, such as 8688/8787.
+	  Marvell Bluetooth devices, such as 8688/8787/8797.
 
 	  Say Y here to compile Marvell Bluetooth driver
 	  into the kernel or say M to compile it as module.
@@ -201,8 +201,8 @@ config BT_MRVL_SDIO
 	  The driver for Marvell Bluetooth chipsets with SDIO interface.
 
 	  This driver is required if you want to use Marvell Bluetooth
-	  devices with SDIO interface. Currently SD8688/SD8787 chipsets are
-	  supported.
+	  devices with SDIO interface. Currently SD8688/SD8787/SD8797
+	  chipsets are supported.
 
 	  Say Y here to compile support for Marvell BT-over-SDIO driver
 	  into the kernel or say M to compile it as module.
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 9ef48167e2cf..27b74b0d547b 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -65,7 +65,7 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
 	.io_port_1 = 0x01,
 	.io_port_2 = 0x02,
 };
-static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
+static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
 	.cfg = 0x00,
 	.host_int_mask = 0x02,
 	.host_intstatus = 0x03,
@@ -92,7 +92,14 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
 static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
 	.helper		= NULL,
 	.firmware	= "mrvl/sd8787_uapsta.bin",
-	.reg		= &btmrvl_reg_8787,
+	.reg		= &btmrvl_reg_87xx,
+	.sd_blksz_fw_dl	= 256,
+};
+
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
+	.helper		= NULL,
+	.firmware	= "mrvl/sd8797_uapsta.bin",
+	.reg		= &btmrvl_reg_87xx,
 	.sd_blksz_fw_dl	= 256,
 };
 
@@ -103,6 +110,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
 	/* Marvell SD8787 Bluetooth device */
 	{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
 			.driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+	/* Marvell SD8797 Bluetooth device */
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
+			.driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
 
 	{ }	/* Terminating entry */
 };
@@ -1076,3 +1086,4 @@ MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE("sd8688_helper.bin");
 MODULE_FIRMWARE("sd8688.bin");
 MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fe4ebc375b3d..eabc437ce500 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -777,9 +777,8 @@ skip_waking:
 		usb_mark_last_busy(data->udev);
 	}
 
-	usb_free_urb(urb);
-
 done:
+	usb_free_urb(urb);
 	return err;
 }
 
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index c2917ffad2c2..34767a6d7f42 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -139,6 +139,8 @@
 #define IPMI_WDOG_SET_TIMER		0x24
 #define IPMI_WDOG_GET_TIMER		0x25
 
+#define IPMI_WDOG_TIMER_NOT_INIT_RESP	0x80
+
 /* These are here until the real ones get into the watchdog.h interface. */
 #ifndef WDIOC_GETTIMEOUT
 #define	WDIOC_GETTIMEOUT        _IOW(WATCHDOG_IOCTL_BASE, 20, int)
@@ -596,6 +598,7 @@ static int ipmi_heartbeat(void)
 	struct kernel_ipmi_msg            msg;
 	int                               rv;
 	struct ipmi_system_interface_addr addr;
+	int				  timeout_retries = 0;
 
 	if (ipmi_ignore_heartbeat)
 		return 0;
@@ -616,6 +619,7 @@ static int ipmi_heartbeat(void)
 
 	mutex_lock(&heartbeat_lock);
 
+restart:
 	atomic_set(&heartbeat_tofree, 2);
 
 	/*
@@ -653,7 +657,33 @@ static int ipmi_heartbeat(void)
 	/* Wait for the heartbeat to be sent. */
 	wait_for_completion(&heartbeat_wait);
 
-	if (heartbeat_recv_msg.msg.data[0] != 0) {
+	if (heartbeat_recv_msg.msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)  {
+		timeout_retries++;
+		if (timeout_retries > 3) {
+			printk(KERN_ERR PFX ": Unable to restore the IPMI"
+			       " watchdog's settings, giving up.\n");
+			rv = -EIO;
+			goto out_unlock;
+		}
+
+		/*
+		 * The timer was not initialized, that means the BMC was
+		 * probably reset and lost the watchdog information.  Attempt
+		 * to restore the timer's info.  Note that we still hold
+		 * the heartbeat lock, to keep a heartbeat from happening
+		 * in this process, so must say no heartbeat to avoid a
+		 * deadlock on this mutex.
+		 */
+		rv = ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB);
+		if (rv) {
+			printk(KERN_ERR PFX ": Unable to send the command to"
+			       " set the watchdog's settings, giving up.\n");
+			goto out_unlock;
+		}
+
+		/* We might need a new heartbeat, so do it now */
+		goto restart;
+	} else if (heartbeat_recv_msg.msg.data[0] != 0) {
 		/*
 		 * Got an error in the heartbeat response.  It was already
 		 * reported in ipmi_wdog_msg_handler, but we should return
@@ -662,6 +692,7 @@ static int ipmi_heartbeat(void)
 		rv = -EINVAL;
 	}
 
+out_unlock:
 	mutex_unlock(&heartbeat_lock);
 
 	return rv;
@@ -922,11 +953,15 @@ static struct miscdevice ipmi_wdog_miscdev = {
 static void ipmi_wdog_msg_handler(struct ipmi_recv_msg *msg,
 				  void                 *handler_data)
 {
-	if (msg->msg.data[0] != 0) {
+	if (msg->msg.cmd == IPMI_WDOG_RESET_TIMER &&
+			msg->msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)
+		printk(KERN_INFO PFX "response: The IPMI controller appears"
+		       " to have been reset, will attempt to reinitialize"
+		       " the watchdog timer\n");
+	else if (msg->msg.data[0] != 0)
 		printk(KERN_ERR PFX "response: Error %x on cmd %x\n",
 		       msg->msg.data[0],
 		       msg->msg.cmd);
-	}
 
 	ipmi_free_recv_msg(msg);
 }
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index c811cb107904..2cce44a1d7d0 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -746,6 +746,37 @@ static void __exit ibft_exit(void)
 	ibft_cleanup();
 }
 
+#ifdef CONFIG_ACPI
+static const struct {
+	char *sign;
+} ibft_signs[] = {
+	/*
+	 * One spec says "IBFT", the other says "iBFT". We have to check
+	 * for both.
+	 */
+	{ ACPI_SIG_IBFT },
+	{ "iBFT" },
+};
+
+static void __init acpi_find_ibft_region(void)
+{
+	int i;
+	struct acpi_table_header *table = NULL;
+
+	if (acpi_disabled)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) {
+		acpi_get_table(ibft_signs[i].sign, 0, &table);
+		ibft_addr = (struct acpi_table_ibft *)table;
+	}
+}
+#else
+static void __init acpi_find_ibft_region(void)
+{
+}
+#endif
+
 /*
  * ibft_init() - creates sysfs tree entries for the iBFT data.
  */
@@ -753,9 +784,16 @@ static int __init ibft_init(void)
 {
 	int rc = 0;
 
+	/*
+	   As on UEFI systems the setup_arch()/find_ibft_region()
+	   is called before ACPI tables are parsed and it only does
+	   legacy finding.
+	*/
+	if (!ibft_addr)
+		acpi_find_ibft_region();
+
 	if (ibft_addr) {
-		printk(KERN_INFO "iBFT detected at 0x%llx.\n",
-		       (u64)isa_virt_to_bus(ibft_addr));
+		pr_info("iBFT detected.\n");
 
 		rc = ibft_check_device();
 		if (rc)
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index bfe723266fd8..4da4eb9ae926 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -45,13 +45,6 @@ EXPORT_SYMBOL_GPL(ibft_addr);
 static const struct {
 	char *sign;
 } ibft_signs[] = {
-#ifdef CONFIG_ACPI
-	/*
-	 * One spec says "IBFT", the other says "iBFT". We have to check
-	 * for both.
-	 */
-	{ ACPI_SIG_IBFT },
-#endif
 	{ "iBFT" },
 	{ "BIFT" },	/* Broadcom iSCSI Offload */
 };
@@ -62,14 +55,6 @@ static const struct {
 #define VGA_MEM 0xA0000 /* VGA buffer */
 #define VGA_SIZE 0x20000 /* 128kB */
 
-#ifdef CONFIG_ACPI
-static int __init acpi_find_ibft(struct acpi_table_header *header)
-{
-	ibft_addr = (struct acpi_table_ibft *)header;
-	return 0;
-}
-#endif /* CONFIG_ACPI */
-
 static int __init find_ibft_in_mem(void)
 {
 	unsigned long pos;
@@ -94,6 +79,7 @@ static int __init find_ibft_in_mem(void)
 				 * the table cannot be valid. */
 				if (pos + len <= (IBFT_END-1)) {
 					ibft_addr = (struct acpi_table_ibft *)virt;
+					pr_info("iBFT found at 0x%lx.\n", pos);
 					goto done;
 				}
 			}
@@ -108,20 +94,12 @@ done:
  */
 unsigned long __init find_ibft_region(unsigned long *sizep)
 {
-#ifdef CONFIG_ACPI
-	int i;
-#endif
 	ibft_addr = NULL;
 
-#ifdef CONFIG_ACPI
-	for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++)
-		acpi_table_parse(ibft_signs[i].sign, acpi_find_ibft);
-#endif /* CONFIG_ACPI */
-
 	/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
 	 * only use ACPI for this */
 
-	if (!ibft_addr && !efi_enabled)
+	if (!efi_enabled)
 		find_ibft_in_mem();
 
 	if (ibft_addr) {
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4e04157a3683..8a77b0a937a5 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -138,6 +138,7 @@ config GPIO_MXS
 config GPIO_PL061
 	bool "PrimeCell PL061 GPIO support"
 	depends on ARM_AMBA
+	select GENERIC_IRQ_CHIP
 	help
 	  Say yes here to support the PrimeCell PL061 GPIO device
 
diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index 58ac3777f0c4..56dd047d5844 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -22,7 +22,6 @@
 #include <linux/mfd/da9052/da9052.h>
 #include <linux/mfd/da9052/reg.h>
 #include <linux/mfd/da9052/pdata.h>
-#include <linux/mfd/da9052/gpio.h>
 
 #define DA9052_INPUT				1
 #define DA9052_OUTPUT_OPENDRAIN		2
@@ -43,6 +42,9 @@
 #define DA9052_GPIO_MASK_UPPER_NIBBLE		0xF0
 #define DA9052_GPIO_MASK_LOWER_NIBBLE		0x0F
 #define DA9052_GPIO_NIBBLE_SHIFT		4
+#define DA9052_IRQ_GPI0			16
+#define DA9052_GPIO_ODD_SHIFT			7
+#define DA9052_GPIO_EVEN_SHIFT			3
 
 struct da9052_gpio {
 	struct da9052 *da9052;
@@ -104,33 +106,26 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset)
 static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
 {
 	struct da9052_gpio *gpio = to_da9052_gpio(gc);
-	unsigned char register_value = 0;
 	int ret;
 
 	if (da9052_gpio_port_odd(offset)) {
-		if (value) {
-			register_value = DA9052_GPIO_ODD_PORT_MODE;
 			ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
 						DA9052_GPIO_0_1_REG,
 						DA9052_GPIO_ODD_PORT_MODE,
-						register_value);
+						value << DA9052_GPIO_ODD_SHIFT);
 			if (ret != 0)
 				dev_err(gpio->da9052->dev,
 					"Failed to updated gpio odd reg,%d",
 					ret);
-		}
 	} else {
-		if (value) {
-			register_value = DA9052_GPIO_EVEN_PORT_MODE;
 			ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
 						DA9052_GPIO_0_1_REG,
 						DA9052_GPIO_EVEN_PORT_MODE,
-						register_value);
+						value << DA9052_GPIO_EVEN_SHIFT);
 			if (ret != 0)
 				dev_err(gpio->da9052->dev,
 					"Failed to updated gpio even reg,%d",
 					ret);
-		}
 	}
 }
 
@@ -201,9 +196,9 @@ static struct gpio_chip reference_gp __devinitdata = {
 	.direction_input = da9052_gpio_direction_input,
 	.direction_output = da9052_gpio_direction_output,
 	.to_irq = da9052_gpio_to_irq,
-	.can_sleep = 1;
-	.ngpio = 16;
-	.base = -1;
+	.can_sleep = 1,
+	.ngpio = 16,
+	.base = -1,
 };
 
 static int __devinit da9052_gpio_probe(struct platform_device *pdev)
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index ea8e73869250..461958fc2264 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -332,6 +332,34 @@ static void ioh_irq_mask(struct irq_data *d)
 		  &chip->reg->regs[chip->ch].imask);
 }
 
+static void ioh_irq_disable(struct irq_data *d)
+{
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct ioh_gpio *chip = gc->private;
+	unsigned long flags;
+	u32 ien;
+
+	spin_lock_irqsave(&chip->spinlock, flags);
+	ien = ioread32(&chip->reg->regs[chip->ch].ien);
+	ien &= ~(1 << (d->irq - chip->irq_base));
+	iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+	spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
+static void ioh_irq_enable(struct irq_data *d)
+{
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct ioh_gpio *chip = gc->private;
+	unsigned long flags;
+	u32 ien;
+
+	spin_lock_irqsave(&chip->spinlock, flags);
+	ien = ioread32(&chip->reg->regs[chip->ch].ien);
+	ien |= 1 << (d->irq - chip->irq_base);
+	iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+	spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
 static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
 {
 	struct ioh_gpio *chip = dev_id;
@@ -339,7 +367,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
 	int i, j;
 	int ret = IRQ_NONE;
 
-	for (i = 0; i < 8; i++) {
+	for (i = 0; i < 8; i++, chip++) {
 		reg_val = ioread32(&chip->reg->regs[i].istatus);
 		for (j = 0; j < num_ports[i]; j++) {
 			if (reg_val & BIT(j)) {
@@ -370,6 +398,8 @@ static __devinit void ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip,
 	ct->chip.irq_mask = ioh_irq_mask;
 	ct->chip.irq_unmask = ioh_irq_unmask;
 	ct->chip.irq_set_type = ioh_irq_type;
+	ct->chip.irq_disable = ioh_irq_disable;
+	ct->chip.irq_enable = ioh_irq_enable;
 
 	irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
 			       IRQ_NOREQUEST | IRQ_NOPROBE, 0);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index ec3fcf0a7e12..5cd04b65c556 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -132,6 +132,15 @@ static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val
 	return 0;
 }
 
+static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+	/* GPIO 28..31 are input only on MPC5121 */
+	if (gpio >= 28)
+		return -EINVAL;
+
+	return mpc8xxx_gpio_dir_out(gc, gpio, val);
+}
+
 static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
 {
 	struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
@@ -340,11 +349,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
 	mm_gc->save_regs = mpc8xxx_gpio_save_regs;
 	gc->ngpio = MPC8XXX_GPIO_PINS;
 	gc->direction_input = mpc8xxx_gpio_dir_in;
-	gc->direction_output = mpc8xxx_gpio_dir_out;
-	if (of_device_is_compatible(np, "fsl,mpc8572-gpio"))
-		gc->get = mpc8572_gpio_get;
-	else
-		gc->get = mpc8xxx_gpio_get;
+	gc->direction_output = of_device_is_compatible(np, "fsl,mpc5121-gpio") ?
+		mpc5121_gpio_dir_out : mpc8xxx_gpio_dir_out;
+	gc->get = of_device_is_compatible(np, "fsl,mpc8572-gpio") ?
+		mpc8572_gpio_get : mpc8xxx_gpio_get;
 	gc->set = mpc8xxx_gpio_set;
 	gc->to_irq = mpc8xxx_gpio_to_irq;
 
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 42a5d5672694..2f399ec7bd66 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -12,7 +12,6 @@
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/module.h>
-#include <linux/list.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/irq.h>
@@ -24,6 +23,7 @@
 #include <linux/amba/pl061.h>
 #include <linux/slab.h>
 #include <linux/pm.h>
+#include <asm/mach/irq.h>
 
 #define GPIODIR 0x400
 #define GPIOIS  0x404
@@ -48,23 +48,16 @@ struct pl061_context_save_regs {
 #endif
 
 struct pl061_gpio {
-	/* We use a list of pl061_gpio structs for each trigger IRQ in the main
-	 * interrupts controller of the system. We need this to support systems
-	 * in which more that one PL061s are connected to the same IRQ. The ISR
-	 * interates through this list to find the source of the interrupt.
-	 */
-	struct list_head	list;
-
 	/* Each of the two spinlocks protects a different set of hardware
 	 * regiters and data structurs. This decouples the code of the IRQ from
 	 * the GPIO code. This also makes the case of a GPIO routine call from
 	 * the IRQ code simpler.
 	 */
 	spinlock_t		lock;		/* GPIO registers */
-	spinlock_t		irq_lock;	/* IRQ registers */
 
 	void __iomem		*base;
-	unsigned		irq_base;
+	int			irq_base;
+	struct irq_chip_generic	*irq_gc;
 	struct gpio_chip	gc;
 
 #ifdef CONFIG_PM
@@ -134,46 +127,16 @@ static int pl061_to_irq(struct gpio_chip *gc, unsigned offset)
 {
 	struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc);
 
-	if (chip->irq_base == NO_IRQ)
+	if (chip->irq_base <= 0)
 		return -EINVAL;
 
 	return chip->irq_base + offset;
 }
 
-/*
- * PL061 GPIO IRQ
- */
-static void pl061_irq_disable(struct irq_data *d)
-{
-	struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
-	int offset = d->irq - chip->irq_base;
-	unsigned long flags;
-	u8 gpioie;
-
-	spin_lock_irqsave(&chip->irq_lock, flags);
-	gpioie = readb(chip->base + GPIOIE);
-	gpioie &= ~(1 << offset);
-	writeb(gpioie, chip->base + GPIOIE);
-	spin_unlock_irqrestore(&chip->irq_lock, flags);
-}
-
-static void pl061_irq_enable(struct irq_data *d)
-{
-	struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
-	int offset = d->irq - chip->irq_base;
-	unsigned long flags;
-	u8 gpioie;
-
-	spin_lock_irqsave(&chip->irq_lock, flags);
-	gpioie = readb(chip->base + GPIOIE);
-	gpioie |= 1 << offset;
-	writeb(gpioie, chip->base + GPIOIE);
-	spin_unlock_irqrestore(&chip->irq_lock, flags);
-}
-
 static int pl061_irq_type(struct irq_data *d, unsigned trigger)
 {
-	struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct pl061_gpio *chip = gc->private;
 	int offset = d->irq - chip->irq_base;
 	unsigned long flags;
 	u8 gpiois, gpioibe, gpioiev;
@@ -181,7 +144,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger)
 	if (offset < 0 || offset >= PL061_GPIO_NR)
 		return -EINVAL;
 
-	spin_lock_irqsave(&chip->irq_lock, flags);
+	raw_spin_lock_irqsave(&gc->lock, flags);
 
 	gpioiev = readb(chip->base + GPIOIEV);
 
@@ -210,53 +173,54 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger)
 
 	writeb(gpioiev, chip->base + GPIOIEV);
 
-	spin_unlock_irqrestore(&chip->irq_lock, flags);
+	raw_spin_unlock_irqrestore(&gc->lock, flags);
 
 	return 0;
 }
 
-static struct irq_chip pl061_irqchip = {
-	.name		= "GPIO",
-	.irq_enable	= pl061_irq_enable,
-	.irq_disable	= pl061_irq_disable,
-	.irq_set_type	= pl061_irq_type,
-};
-
 static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
 {
-	struct list_head *chip_list = irq_get_handler_data(irq);
-	struct list_head *ptr;
-	struct pl061_gpio *chip;
-
-	desc->irq_data.chip->irq_ack(&desc->irq_data);
-	list_for_each(ptr, chip_list) {
-		unsigned long pending;
-		int offset;
-
-		chip = list_entry(ptr, struct pl061_gpio, list);
-		pending = readb(chip->base + GPIOMIS);
-		writeb(pending, chip->base + GPIOIC);
+	unsigned long pending;
+	int offset;
+	struct pl061_gpio *chip = irq_desc_get_handler_data(desc);
+	struct irq_chip *irqchip = irq_desc_get_chip(desc);
 
-		if (pending == 0)
-			continue;
+	chained_irq_enter(irqchip, desc);
 
+	pending = readb(chip->base + GPIOMIS);
+	writeb(pending, chip->base + GPIOIC);
+	if (pending) {
 		for_each_set_bit(offset, &pending, PL061_GPIO_NR)
 			generic_handle_irq(pl061_to_irq(&chip->gc, offset));
 	}
-	desc->irq_data.chip->irq_unmask(&desc->irq_data);
+
+	chained_irq_exit(irqchip, desc);
+}
+
+static void __init pl061_init_gc(struct pl061_gpio *chip, int irq_base)
+{
+	struct irq_chip_type *ct;
+
+	chip->irq_gc = irq_alloc_generic_chip("gpio-pl061", 1, irq_base,
+					      chip->base, handle_simple_irq);
+	chip->irq_gc->private = chip;
+
+	ct = chip->irq_gc->chip_types;
+	ct->chip.irq_mask = irq_gc_mask_clr_bit;
+	ct->chip.irq_unmask = irq_gc_mask_set_bit;
+	ct->chip.irq_set_type = pl061_irq_type;
+	ct->chip.irq_set_wake = irq_gc_set_wake;
+	ct->regs.mask = GPIOIE;
+
+	irq_setup_generic_chip(chip->irq_gc, IRQ_MSK(PL061_GPIO_NR),
+			       IRQ_GC_INIT_NESTED_LOCK, IRQ_NOREQUEST, 0);
 }
 
 static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 {
 	struct pl061_platform_data *pdata;
 	struct pl061_gpio *chip;
-	struct list_head *chip_list;
 	int ret, irq, i;
-	static DECLARE_BITMAP(init_irq, NR_IRQS);
-
-	pdata = dev->dev.platform_data;
-	if (pdata == NULL)
-		return -ENODEV;
 
 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (chip == NULL)
@@ -268,7 +232,7 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 		chip->irq_base = pdata->irq_base;
 	} else if (dev->dev.of_node) {
 		chip->gc.base = -1;
-		chip->irq_base = NO_IRQ;
+		chip->irq_base = 0;
 	} else {
 		ret = -ENODEV;
 		goto free_mem;
@@ -287,8 +251,6 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 	}
 
 	spin_lock_init(&chip->lock);
-	spin_lock_init(&chip->irq_lock);
-	INIT_LIST_HEAD(&chip->list);
 
 	chip->gc.direction_input = pl061_direction_input;
 	chip->gc.direction_output = pl061_direction_output;
@@ -308,9 +270,11 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 	 * irq_chip support
 	 */
 
-	if (chip->irq_base == NO_IRQ)
+	if (chip->irq_base <= 0)
 		return 0;
 
+	pl061_init_gc(chip, chip->irq_base);
+
 	writeb(0, chip->base + GPIOIE); /* disable irqs */
 	irq = dev->irq[0];
 	if (irq < 0) {
@@ -318,18 +282,7 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 		goto iounmap;
 	}
 	irq_set_chained_handler(irq, pl061_irq_handler);
-	if (!test_and_set_bit(irq, init_irq)) { /* list initialized? */
-		chip_list = kmalloc(sizeof(*chip_list), GFP_KERNEL);
-		if (chip_list == NULL) {
-			clear_bit(irq, init_irq);
-			ret = -ENOMEM;
-			goto iounmap;
-		}
-		INIT_LIST_HEAD(chip_list);
-		irq_set_handler_data(irq, chip_list);
-	} else
-		chip_list = irq_get_handler_data(irq);
-	list_add(&chip->list, chip_list);
+	irq_set_handler_data(irq, chip);
 
 	for (i = 0; i < PL061_GPIO_NR; i++) {
 		if (pdata) {
@@ -339,11 +292,6 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 			else
 				pl061_direction_input(&chip->gc, i);
 		}
-
-		irq_set_chip_and_handler(i + chip->irq_base, &pl061_irqchip,
-					 handle_simple_irq);
-		set_irq_flags(i+chip->irq_base, IRQF_VALID);
-		irq_set_chip_data(i + chip->irq_base, chip);
 	}
 
 	amba_set_drvdata(dev, chip);
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d09a6e02dc95..004b048c5192 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -62,6 +62,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
 	const struct intel_device_info *info = INTEL_INFO(dev);
 
 	seq_printf(m, "gen: %d\n", info->gen);
+	seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
 	B(is_mobile);
 	B(is_i85x);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a9533c54c93c..a9ae374861e7 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1454,6 +1454,14 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
 
 	diff1 = now - dev_priv->last_time1;
 
+	/* Prevent division-by-zero if we are asking too fast.
+	 * Also, we don't get interesting results if we are polling
+	 * faster than once in 10ms, so just return the saved value
+	 * in such cases.
+	 */
+	if (diff1 <= 10)
+		return dev_priv->chipset_power;
+
 	count1 = I915_READ(DMIEC);
 	count2 = I915_READ(DDREC);
 	count3 = I915_READ(CSIEC);
@@ -1484,6 +1492,8 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
 	dev_priv->last_count1 = total_count;
 	dev_priv->last_time1 = now;
 
+	dev_priv->chipset_power = ret;
+
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 15bfa9145d2b..a1103fc6597d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -58,15 +58,15 @@ module_param_named(powersave, i915_powersave, int, 0600);
 MODULE_PARM_DESC(powersave,
 		"Enable powersavings, fbc, downclocking, etc. (default: true)");
 
-unsigned int i915_semaphores __read_mostly = 0;
+int i915_semaphores __read_mostly = -1;
 module_param_named(semaphores, i915_semaphores, int, 0600);
 MODULE_PARM_DESC(semaphores,
-		"Use semaphores for inter-ring sync (default: false)");
+		"Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
 
-unsigned int i915_enable_rc6 __read_mostly = 0;
+int i915_enable_rc6 __read_mostly = -1;
 module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
 MODULE_PARM_DESC(i915_enable_rc6,
-		"Enable power-saving render C-state 6 (default: true)");
+		"Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
 
 int i915_enable_fbc __read_mostly = -1;
 module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
@@ -328,7 +328,7 @@ void intel_detect_pch(struct drm_device *dev)
 	}
 }
 
-static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 {
 	int count;
 
@@ -344,6 +344,22 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 		udelay(10);
 }
 
+void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
+{
+	int count;
+
+	count = 0;
+	while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
+		udelay(10);
+
+	I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+	POSTING_READ(FORCEWAKE_MT);
+
+	count = 0;
+	while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0)
+		udelay(10);
+}
+
 /*
  * Generally this is called implicitly by the register read function. However,
  * if some sequence requires the GT to not power down then this function should
@@ -356,15 +372,21 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 
 	/* Forcewake is atomic in case we get in here without the lock */
 	if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)
-		__gen6_gt_force_wake_get(dev_priv);
+		dev_priv->display.force_wake_get(dev_priv);
 }
 
-static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE, 0);
 	POSTING_READ(FORCEWAKE);
 }
 
+void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
+{
+	I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+	POSTING_READ(FORCEWAKE_MT);
+}
+
 /*
  * see gen6_gt_force_wake_get()
  */
@@ -373,7 +395,7 @@ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 	WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
 
 	if (atomic_dec_and_test(&dev_priv->forcewake_count))
-		__gen6_gt_force_wake_put(dev_priv);
+		dev_priv->display.force_wake_put(dev_priv);
 }
 
 void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
@@ -903,8 +925,9 @@ MODULE_LICENSE("GPL and additional rights");
 /* We give fast paths for the really cool registers */
 #define NEEDS_FORCE_WAKE(dev_priv, reg) \
 	(((dev_priv)->info->gen >= 6) && \
-	((reg) < 0x40000) && \
-	((reg) != FORCEWAKE))
+	 ((reg) < 0x40000) &&		 \
+	 ((reg) != FORCEWAKE) &&	 \
+	 ((reg) != ECOBUS))
 
 #define __i915_read(x, y) \
 u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4a9c1b979804..554bef7a3b9c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -107,6 +107,7 @@ struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
 struct opregion_asle;
+struct drm_i915_private;
 
 struct intel_opregion {
 	struct opregion_header *header;
@@ -221,6 +222,8 @@ struct drm_i915_display_funcs {
 			  struct drm_i915_gem_object *obj);
 	int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 			    int x, int y);
+	void (*force_wake_get)(struct drm_i915_private *dev_priv);
+	void (*force_wake_put)(struct drm_i915_private *dev_priv);
 	/* clock updates for mode set */
 	/* cursor updates */
 	/* render clock increase/decrease */
@@ -710,6 +713,7 @@ typedef struct drm_i915_private {
 
 	u64 last_count1;
 	unsigned long last_time1;
+	unsigned long chipset_power;
 	u64 last_count2;
 	struct timespec last_time2;
 	unsigned long gfx_power;
@@ -998,11 +1002,11 @@ extern int i915_max_ioctl;
 extern unsigned int i915_fbpercrtc __always_unused;
 extern int i915_panel_ignore_lid __read_mostly;
 extern unsigned int i915_powersave __read_mostly;
-extern unsigned int i915_semaphores __read_mostly;
+extern int i915_semaphores __read_mostly;
 extern unsigned int i915_lvds_downclock __read_mostly;
 extern int i915_panel_use_ssc __read_mostly;
 extern int i915_vbt_sdvo_panel_type __read_mostly;
-extern unsigned int i915_enable_rc6 __read_mostly;
+extern int i915_enable_rc6 __read_mostly;
 extern int i915_enable_fbc __read_mostly;
 extern bool i915_enable_hangcheck __read_mostly;
 
@@ -1308,6 +1312,11 @@ extern void gen6_set_rps(struct drm_device *dev, u8 val);
 extern void intel_detect_pch(struct drm_device *dev);
 extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
 
+extern void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv);
+
 /* overlay */
 #ifdef CONFIG_DEBUG_FS
 extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
@@ -1352,8 +1361,9 @@ void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
 /* We give fast paths for the really cool registers */
 #define NEEDS_FORCE_WAKE(dev_priv, reg) \
 	(((dev_priv)->info->gen >= 6) && \
-	((reg) < 0x40000) && \
-	((reg) != FORCEWAKE))
+	 ((reg) < 0x40000) &&		 \
+	 ((reg) != FORCEWAKE) &&	 \
+	 ((reg) != ECOBUS))
 
 #define __i915_read(x, y) \
 	u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 60ff1b63b568..8359dc777041 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2026,13 +2026,8 @@ i915_wait_request(struct intel_ring_buffer *ring,
 	 * to handle this, the waiter on a request often wants an associated
 	 * buffer to have made it to the inactive list, and we would need
 	 * a separate wait queue to handle that.
-	 *
-	 * To avoid a recursion with the ilk VT-d workaround (that calls
-	 * gpu_idle when unbinding objects with interruptible==false) don't
-	 * retire requests in that case (because it might call unbind if the
-	 * active list holds the last reference to the object).
 	 */
-	if (ret == 0 && dev_priv->mm.interruptible)
+	if (ret == 0)
 		i915_gem_retire_requests_ring(ring);
 
 	return ret;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3693e83a97f3..c681dc149d2a 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -32,6 +32,7 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "intel_drv.h"
+#include <linux/dma_remapping.h>
 
 struct change_domains {
 	uint32_t invalidate_domains;
@@ -746,6 +747,22 @@ i915_gem_execbuffer_flush(struct drm_device *dev,
 	return 0;
 }
 
+static bool
+intel_enable_semaphores(struct drm_device *dev)
+{
+	if (INTEL_INFO(dev)->gen < 6)
+		return 0;
+
+	if (i915_semaphores >= 0)
+		return i915_semaphores;
+
+	/* Enable semaphores on SNB when IO remapping is off */
+	if (INTEL_INFO(dev)->gen == 6)
+		return !intel_iommu_enabled;
+
+	return 1;
+}
+
 static int
 i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
 			       struct intel_ring_buffer *to)
@@ -758,7 +775,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
 		return 0;
 
 	/* XXX gpu semaphores are implicated in various hard hangs on SNB */
-	if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
+	if (!intel_enable_semaphores(obj->base.dev))
 		return i915_gem_object_wait_rendering(obj);
 
 	idx = intel_ring_sync_index(from, to);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b080cc824001..a26d5b0a3690 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3303,10 +3303,10 @@
 /* or SDVOB */
 #define HDMIB   0xe1140
 #define  PORT_ENABLE    (1 << 31)
-#define  TRANSCODER_A   (0)
-#define  TRANSCODER_B   (1 << 30)
-#define  TRANSCODER(pipe)	((pipe) << 30)
-#define  TRANSCODER_MASK   (1 << 30)
+#define  TRANSCODER(pipe)       ((pipe) << 30)
+#define  TRANSCODER_CPT(pipe)   ((pipe) << 29)
+#define  TRANSCODER_MASK        (1 << 30)
+#define  TRANSCODER_MASK_CPT    (3 << 29)
 #define  COLOR_FORMAT_8bpc      (0)
 #define  COLOR_FORMAT_12bpc     (3 << 26)
 #define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
@@ -3447,8 +3447,30 @@
 #define  EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B	(0x38<<22)
 #define  EDP_LINK_TRAIN_VOL_EMP_MASK_SNB	(0x3f<<22)
 
+/* IVB */
+#define EDP_LINK_TRAIN_400MV_0DB_IVB		(0x24 <<22)
+#define EDP_LINK_TRAIN_400MV_3_5DB_IVB		(0x2a <<22)
+#define EDP_LINK_TRAIN_400MV_6DB_IVB		(0x2f <<22)
+#define EDP_LINK_TRAIN_600MV_0DB_IVB		(0x30 <<22)
+#define EDP_LINK_TRAIN_600MV_3_5DB_IVB		(0x36 <<22)
+#define EDP_LINK_TRAIN_800MV_0DB_IVB		(0x38 <<22)
+#define EDP_LINK_TRAIN_800MV_3_5DB_IVB		(0x33 <<22)
+
+/* legacy values */
+#define EDP_LINK_TRAIN_500MV_0DB_IVB		(0x00 <<22)
+#define EDP_LINK_TRAIN_1000MV_0DB_IVB		(0x20 <<22)
+#define EDP_LINK_TRAIN_500MV_3_5DB_IVB		(0x02 <<22)
+#define EDP_LINK_TRAIN_1000MV_3_5DB_IVB		(0x22 <<22)
+#define EDP_LINK_TRAIN_1000MV_6DB_IVB		(0x23 <<22)
+
+#define  EDP_LINK_TRAIN_VOL_EMP_MASK_IVB	(0x3f<<22)
+
 #define  FORCEWAKE				0xA18C
 #define  FORCEWAKE_ACK				0x130090
+#define  FORCEWAKE_MT				0xa188 /* multi-threaded */
+#define  FORCEWAKE_MT_ACK			0x130040
+#define  ECOBUS					0xa180
+#define    FORCEWAKE_MT_ENABLE			(1<<5)
 
 #define  GT_FIFO_FREE_ENTRIES			0x120008
 #define    GT_FIFO_NUM_RESERVED_ENTRIES		20
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e77a863a3833..d809b038ca88 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -38,8 +38,8 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "drm_dp_helper.h"
-
 #include "drm_crtc_helper.h"
+#include <linux/dma_remapping.h>
 
 #define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
 
@@ -4670,6 +4670,7 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
 /**
  * intel_choose_pipe_bpp_dither - figure out what color depth the pipe should send
  * @crtc: CRTC structure
+ * @mode: requested mode
  *
  * A pipe may be connected to one or more outputs.  Based on the depth of the
  * attached framebuffer, choose a good color depth to use on the pipe.
@@ -4681,13 +4682,15 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
  *    HDMI supports only 8bpc or 12bpc, so clamp to 8bpc with dither for 10bpc
  *    Displays may support a restricted set as well, check EDID and clamp as
  *      appropriate.
+ *    DP may want to dither down to 6bpc to fit larger modes
  *
  * RETURNS:
  * Dithering requirement (i.e. false if display bpc and pipe bpc match,
  * true if they don't match).
  */
 static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
-					 unsigned int *pipe_bpp)
+					 unsigned int *pipe_bpp,
+					 struct drm_display_mode *mode)
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4758,6 +4761,11 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 		}
 	}
 
+	if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+		DRM_DEBUG_KMS("Dithering DP to 6bpc\n");
+		display_bpc = 6;
+	}
+
 	/*
 	 * We could just drive the pipe at the highest bpc all the time and
 	 * enable dithering as needed, but that costs bandwidth.  So choose
@@ -5019,6 +5027,16 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 			pipeconf &= ~PIPECONF_DOUBLE_WIDE;
 	}
 
+	/* default to 8bpc */
+	pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
+	if (is_dp) {
+		if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+			pipeconf |= PIPECONF_BPP_6 |
+				    PIPECONF_DITHER_EN |
+				    PIPECONF_DITHER_TYPE_SP;
+		}
+	}
+
 	dpll |= DPLL_VCO_ENABLE;
 
 	DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
@@ -5480,7 +5498,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 	/* determine panel color depth */
 	temp = I915_READ(PIPECONF(pipe));
 	temp &= ~PIPE_BPC_MASK;
-	dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp);
+	dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
 	switch (pipe_bpp) {
 	case 18:
 		temp |= PIPE_6BPC;
@@ -7189,11 +7207,16 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 	work->old_fb_obj = intel_fb->obj;
 	INIT_WORK(&work->work, intel_unpin_work_fn);
 
+	ret = drm_vblank_get(dev, intel_crtc->pipe);
+	if (ret)
+		goto free_work;
+
 	/* We borrow the event spin lock for protecting unpin_work */
 	spin_lock_irqsave(&dev->event_lock, flags);
 	if (intel_crtc->unpin_work) {
 		spin_unlock_irqrestore(&dev->event_lock, flags);
 		kfree(work);
+		drm_vblank_put(dev, intel_crtc->pipe);
 
 		DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
 		return -EBUSY;
@@ -7212,10 +7235,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
 	crtc->fb = fb;
 
-	ret = drm_vblank_get(dev, intel_crtc->pipe);
-	if (ret)
-		goto cleanup_objs;
-
 	work->pending_flip_obj = obj;
 
 	work->enable_stall_check = true;
@@ -7238,7 +7257,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
 cleanup_pending:
 	atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-cleanup_objs:
 	drm_gem_object_unreference(&work->old_fb_obj->base);
 	drm_gem_object_unreference(&obj->base);
 	mutex_unlock(&dev->struct_mutex);
@@ -7247,6 +7265,8 @@ cleanup_objs:
 	intel_crtc->unpin_work = NULL;
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 
+	drm_vblank_put(dev, intel_crtc->pipe);
+free_work:
 	kfree(work);
 
 	return ret;
@@ -7887,6 +7907,33 @@ void intel_init_emon(struct drm_device *dev)
 	dev_priv->corr = (lcfuse & LCFUSE_HIV_MASK);
 }
 
+static bool intel_enable_rc6(struct drm_device *dev)
+{
+	/*
+	 * Respect the kernel parameter if it is set
+	 */
+	if (i915_enable_rc6 >= 0)
+		return i915_enable_rc6;
+
+	/*
+	 * Disable RC6 on Ironlake
+	 */
+	if (INTEL_INFO(dev)->gen == 5)
+		return 0;
+
+	/*
+	 * Enable rc6 on Sandybridge if DMA remapping is disabled
+	 */
+	if (INTEL_INFO(dev)->gen == 6) {
+		DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n",
+				 intel_iommu_enabled ? "true" : "false",
+				 !intel_iommu_enabled ? "en" : "dis");
+		return !intel_iommu_enabled;
+	}
+	DRM_DEBUG_DRIVER("RC6 enabled\n");
+	return 1;
+}
+
 void gen6_enable_rps(struct drm_i915_private *dev_priv)
 {
 	u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
@@ -7923,7 +7970,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
 	I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
 	I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
 
-	if (i915_enable_rc6)
+	if (intel_enable_rc6(dev_priv->dev))
 		rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
 			GEN6_RC_CTL_RC6_ENABLE;
 
@@ -8372,7 +8419,7 @@ void ironlake_enable_rc6(struct drm_device *dev)
 	/* rc6 disabled by default due to repeated reports of hanging during
 	 * boot and resume.
 	 */
-	if (!i915_enable_rc6)
+	if (!intel_enable_rc6(dev))
 		return;
 
 	mutex_lock(&dev->struct_mutex);
@@ -8491,6 +8538,28 @@ static void intel_init_display(struct drm_device *dev)
 
 	/* For FIFO watermark updates */
 	if (HAS_PCH_SPLIT(dev)) {
+		dev_priv->display.force_wake_get = __gen6_gt_force_wake_get;
+		dev_priv->display.force_wake_put = __gen6_gt_force_wake_put;
+
+		/* IVB configs may use multi-threaded forcewake */
+		if (IS_IVYBRIDGE(dev)) {
+			u32	ecobus;
+
+			mutex_lock(&dev->struct_mutex);
+			__gen6_gt_force_wake_mt_get(dev_priv);
+			ecobus = I915_READ(ECOBUS);
+			__gen6_gt_force_wake_mt_put(dev_priv);
+			mutex_unlock(&dev->struct_mutex);
+
+			if (ecobus & FORCEWAKE_MT_ENABLE) {
+				DRM_DEBUG_KMS("Using MT version of forcewake\n");
+				dev_priv->display.force_wake_get =
+					__gen6_gt_force_wake_mt_get;
+				dev_priv->display.force_wake_put =
+					__gen6_gt_force_wake_mt_put;
+			}
+		}
+
 		if (HAS_PCH_IBX(dev))
 			dev_priv->display.init_pch_clock_gating = ibx_init_clock_gating;
 		else if (HAS_PCH_CPT(dev))
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4d0358fad937..92b041b66e49 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -208,13 +208,15 @@ intel_dp_link_clock(uint8_t link_bw)
  */
 
 static int
-intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock)
+intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp)
 {
 	struct drm_crtc *crtc = intel_dp->base.base.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int bpp = 24;
 
-	if (intel_crtc)
+	if (check_bpp)
+		bpp = check_bpp;
+	else if (intel_crtc)
 		bpp = intel_crtc->bpp;
 
 	return (pixel_clock * bpp + 9) / 10;
@@ -233,6 +235,7 @@ intel_dp_mode_valid(struct drm_connector *connector,
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
 	int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
 	int max_lanes = intel_dp_max_lane_count(intel_dp);
+	int max_rate, mode_rate;
 
 	if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
 		if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
@@ -242,9 +245,17 @@ intel_dp_mode_valid(struct drm_connector *connector,
 			return MODE_PANEL;
 	}
 
-	if (intel_dp_link_required(intel_dp, mode->clock)
-	    > intel_dp_max_data_rate(max_link_clock, max_lanes))
-		return MODE_CLOCK_HIGH;
+	mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0);
+	max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
+
+	if (mode_rate > max_rate) {
+			mode_rate = intel_dp_link_required(intel_dp,
+							   mode->clock, 18);
+			if (mode_rate > max_rate)
+				return MODE_CLOCK_HIGH;
+			else
+				mode->private_flags |= INTEL_MODE_DP_FORCE_6BPC;
+	}
 
 	if (mode->clock < 10000)
 		return MODE_CLOCK_LOW;
@@ -362,8 +373,8 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
 	 * clock divider.
 	 */
 	if (is_cpu_edp(intel_dp)) {
-		if (IS_GEN6(dev))
-			aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
+		if (IS_GEN6(dev) || IS_GEN7(dev))
+			aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */
 		else
 			aux_clock_divider = 225; /* eDP input clock at 450Mhz */
 	} else if (HAS_PCH_SPLIT(dev))
@@ -672,6 +683,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	int lane_count, clock;
 	int max_lane_count = intel_dp_max_lane_count(intel_dp);
 	int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
+	int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0;
 	static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
 
 	if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
@@ -689,7 +701,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		for (clock = 0; clock <= max_clock; clock++) {
 			int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
 
-			if (intel_dp_link_required(intel_dp, mode->clock)
+			if (intel_dp_link_required(intel_dp, mode->clock, bpp)
 					<= link_avail) {
 				intel_dp->link_bw = bws[clock];
 				intel_dp->lane_count = lane_count;
@@ -817,10 +829,11 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	}
 
 	/*
-	 * There are three kinds of DP registers:
+	 * There are four kinds of DP registers:
 	 *
 	 * 	IBX PCH
-	 * 	CPU
+	 * 	SNB CPU
+	 *	IVB CPU
 	 * 	CPT PCH
 	 *
 	 * IBX PCH and CPU are the same for almost everything,
@@ -873,7 +886,25 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 
 	/* Split out the IBX/CPU vs CPT settings */
 
-	if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+	if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+			intel_dp->DP |= DP_SYNC_HS_HIGH;
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+			intel_dp->DP |= DP_SYNC_VS_HIGH;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
+
+		if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+			intel_dp->DP |= DP_ENHANCED_FRAMING;
+
+		intel_dp->DP |= intel_crtc->pipe << 29;
+
+		/* don't miss out required setting for eDP */
+		intel_dp->DP |= DP_PLL_ENABLE;
+		if (adjusted_mode->clock < 200000)
+			intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+		else
+			intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+	} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
 		intel_dp->DP |= intel_dp->color_range;
 
 		if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -1375,34 +1406,59 @@ static char	*link_train_names[] = {
  * These are source-specific values; current Intel hardware supports
  * a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
  */
-#define I830_DP_VOLTAGE_MAX	    DP_TRAIN_VOLTAGE_SWING_800
-#define I830_DP_VOLTAGE_MAX_CPT	    DP_TRAIN_VOLTAGE_SWING_1200
 
 static uint8_t
-intel_dp_pre_emphasis_max(uint8_t voltage_swing)
+intel_dp_voltage_max(struct intel_dp *intel_dp)
 {
-	switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
-	case DP_TRAIN_VOLTAGE_SWING_400:
-		return DP_TRAIN_PRE_EMPHASIS_6;
-	case DP_TRAIN_VOLTAGE_SWING_600:
-		return DP_TRAIN_PRE_EMPHASIS_6;
-	case DP_TRAIN_VOLTAGE_SWING_800:
-		return DP_TRAIN_PRE_EMPHASIS_3_5;
-	case DP_TRAIN_VOLTAGE_SWING_1200:
-	default:
-		return DP_TRAIN_PRE_EMPHASIS_0;
+	struct drm_device *dev = intel_dp->base.base.dev;
+
+	if (IS_GEN7(dev) && is_cpu_edp(intel_dp))
+		return DP_TRAIN_VOLTAGE_SWING_800;
+	else if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		return DP_TRAIN_VOLTAGE_SWING_1200;
+	else
+		return DP_TRAIN_VOLTAGE_SWING_800;
+}
+
+static uint8_t
+intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing)
+{
+	struct drm_device *dev = intel_dp->base.base.dev;
+
+	if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+		switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+		case DP_TRAIN_VOLTAGE_SWING_400:
+			return DP_TRAIN_PRE_EMPHASIS_6;
+		case DP_TRAIN_VOLTAGE_SWING_600:
+		case DP_TRAIN_VOLTAGE_SWING_800:
+			return DP_TRAIN_PRE_EMPHASIS_3_5;
+		default:
+			return DP_TRAIN_PRE_EMPHASIS_0;
+		}
+	} else {
+		switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+		case DP_TRAIN_VOLTAGE_SWING_400:
+			return DP_TRAIN_PRE_EMPHASIS_6;
+		case DP_TRAIN_VOLTAGE_SWING_600:
+			return DP_TRAIN_PRE_EMPHASIS_6;
+		case DP_TRAIN_VOLTAGE_SWING_800:
+			return DP_TRAIN_PRE_EMPHASIS_3_5;
+		case DP_TRAIN_VOLTAGE_SWING_1200:
+		default:
+			return DP_TRAIN_PRE_EMPHASIS_0;
+		}
 	}
 }
 
 static void
 intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
-	struct drm_device *dev = intel_dp->base.base.dev;
 	uint8_t v = 0;
 	uint8_t p = 0;
 	int lane;
 	uint8_t	*adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
-	int voltage_max;
+	uint8_t voltage_max;
+	uint8_t preemph_max;
 
 	for (lane = 0; lane < intel_dp->lane_count; lane++) {
 		uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
@@ -1414,15 +1470,13 @@ intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_ST
 			p = this_p;
 	}
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
-		voltage_max = I830_DP_VOLTAGE_MAX_CPT;
-	else
-		voltage_max = I830_DP_VOLTAGE_MAX;
+	voltage_max = intel_dp_voltage_max(intel_dp);
 	if (v >= voltage_max)
 		v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
 
-	if (p >= intel_dp_pre_emphasis_max(v))
-		p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+	preemph_max = intel_dp_pre_emphasis_max(intel_dp, v);
+	if (p >= preemph_max)
+		p = preemph_max | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
 
 	for (lane = 0; lane < 4; lane++)
 		intel_dp->train_set[lane] = v | p;
@@ -1494,6 +1548,37 @@ intel_gen6_edp_signal_levels(uint8_t train_set)
 	}
 }
 
+/* Gen7's DP voltage swing and pre-emphasis control */
+static uint32_t
+intel_gen7_edp_signal_levels(uint8_t train_set)
+{
+	int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+					 DP_TRAIN_PRE_EMPHASIS_MASK);
+	switch (signal_levels) {
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_400MV_0DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_400MV_3_5DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
+		return EDP_LINK_TRAIN_400MV_6DB_IVB;
+
+	case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_600MV_0DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_600MV_3_5DB_IVB;
+
+	case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_800MV_0DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_800MV_3_5DB_IVB;
+
+	default:
+		DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:"
+			      "0x%x\n", signal_levels);
+		return EDP_LINK_TRAIN_500MV_0DB_IVB;
+	}
+}
+
 static uint8_t
 intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 		      int lane)
@@ -1599,7 +1684,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 				  DP_LINK_CONFIGURATION_SIZE);
 
 	DP |= DP_PORT_EN;
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+
+	if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
 	else
 		DP &= ~DP_LINK_TRAIN_MASK;
@@ -1613,7 +1699,11 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 		uint32_t    signal_levels;
 
-		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+
+		if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+			signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+		} else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
@@ -1622,7 +1712,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
-		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 			reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
 		else
 			reg = DP | DP_LINK_TRAIN_PAT_1;
@@ -1703,7 +1793,10 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			break;
 		}
 
-		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+		if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+			signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+		} else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
@@ -1711,7 +1804,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
-		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 			reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
 		else
 			reg = DP | DP_LINK_TRAIN_PAT_2;
@@ -1752,7 +1845,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 		++tries;
 	}
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+	if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 		reg = DP | DP_LINK_TRAIN_OFF_CPT;
 	else
 		reg = DP | DP_LINK_TRAIN_OFF;
@@ -1782,7 +1875,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 		udelay(100);
 	}
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) {
+	if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp))) {
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
 		I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
 	} else {
@@ -1794,7 +1887,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 	msleep(17);
 
 	if (is_edp(intel_dp)) {
-		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 			DP |= DP_LINK_TRAIN_OFF_CPT;
 		else
 			DP |= DP_LINK_TRAIN_OFF;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index bd9a604b73da..a1b4343814e8 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -110,6 +110,7 @@
 /* drm_display_mode->private_flags */
 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
+#define INTEL_MODE_DP_FORCE_6BPC (0x10)
 
 static inline void
 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 42f165a520de..e44191132ac4 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -715,6 +715,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"),
 		},
 	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "Asus AT5NM10T-I",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
+		},
+	},
 
 	{ }	/* terminating entry */
 };
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 21f60b7d69a3..04d79fd1dc9d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -178,13 +178,10 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
 	if (HAS_PCH_SPLIT(dev)) {
 		max >>= 16;
 	} else {
-		if (IS_PINEVIEW(dev)) {
+		if (INTEL_INFO(dev)->gen < 4)
 			max >>= 17;
-		} else {
+		else
 			max >>= 16;
-			if (INTEL_INFO(dev)->gen < 4)
-				max &= ~1;
-		}
 
 		if (is_backlight_combination_mode(dev))
 			max *= 0xff;
@@ -203,13 +200,12 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
 		val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
 	} else {
 		val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
-		if (IS_PINEVIEW(dev))
+		if (INTEL_INFO(dev)->gen < 4)
 			val >>= 1;
 
 		if (is_backlight_combination_mode(dev)) {
 			u8 lbpc;
 
-			val &= ~1;
 			pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
 			val *= lbpc;
 		}
@@ -246,11 +242,9 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level
 	}
 
 	tmp = I915_READ(BLC_PWM_CTL);
-	if (IS_PINEVIEW(dev)) {
-		tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
+	if (INTEL_INFO(dev)->gen < 4) 
 		level <<= 1;
-	} else
-		tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+	tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
 	I915_WRITE(BLC_PWM_CTL, tmp | level);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 3003fb25aefd..f7b9268df266 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -50,6 +50,7 @@
 #define IS_TMDS(c)	(c->output_flag & SDVO_TMDS_MASK)
 #define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
 
 
 static const char *tv_format_names[] = {
@@ -1086,8 +1087,12 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 		}
 		sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
 	}
-	if (intel_crtc->pipe == 1)
-		sdvox |= SDVO_PIPE_B_SELECT;
+
+	if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
+		sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
+	else
+		sdvox |= TRANSCODER(intel_crtc->pipe);
+
 	if (intel_sdvo->has_hdmi_audio)
 		sdvox |= SDVO_AUDIO_ENABLE;
 
@@ -1314,6 +1319,18 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
 	return status;
 }
 
+static bool
+intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
+				  struct edid *edid)
+{
+	bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+	bool connector_is_digital = !!IS_DIGITAL(sdvo);
+
+	DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
+		      connector_is_digital, monitor_is_digital);
+	return connector_is_digital == monitor_is_digital;
+}
+
 static enum drm_connector_status
 intel_sdvo_detect(struct drm_connector *connector, bool force)
 {
@@ -1358,10 +1375,12 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
 		if (edid == NULL)
 			edid = intel_sdvo_get_analog_edid(connector);
 		if (edid != NULL) {
-			if (edid->input & DRM_EDID_INPUT_DIGITAL)
-				ret = connector_status_disconnected;
-			else
+			if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
+							      edid))
 				ret = connector_status_connected;
+			else
+				ret = connector_status_disconnected;
+
 			connector->display_info.raw_edid = NULL;
 			kfree(edid);
 		} else
@@ -1402,11 +1421,8 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 		edid = intel_sdvo_get_analog_edid(connector);
 
 	if (edid != NULL) {
-		struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
-		bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
-		bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
-
-		if (connector_is_digital == monitor_is_digital) {
+		if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
+						      edid)) {
 			drm_mode_connector_update_edid_property(connector, edid);
 			drm_add_edid_modes(connector, edid);
 		}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 8cca91a93bde..dc279706ca70 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -390,6 +390,11 @@ extern int vmw_context_check(struct vmw_private *dev_priv,
 			     struct ttm_object_file *tfile,
 			     int id,
 			     struct vmw_resource **p_res);
+extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+				  struct ttm_object_file *tfile,
+				  uint32_t handle,
+				  struct vmw_surface **out_surf,
+				  struct vmw_dma_buffer **out_buf);
 extern void vmw_surface_res_free(struct vmw_resource *res);
 extern int vmw_surface_init(struct vmw_private *dev_priv,
 			    struct vmw_surface *srf,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 03bbc2a6f9a7..a0c2f12b1e1b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -33,6 +33,7 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
 {
 	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
 	uint32_t fifo_min, hwversion;
+	const struct vmw_fifo_state *fifo = &dev_priv->fifo;
 
 	if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
 		return false;
@@ -41,7 +42,12 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
 	if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
 		return false;
 
-	hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+	hwversion = ioread32(fifo_mem +
+			     ((fifo->capabilities &
+			       SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+			      SVGA_FIFO_3D_HWVERSION_REVISED :
+			      SVGA_FIFO_3D_HWVERSION));
+
 	if (hwversion == 0)
 		return false;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 5ff561d4e0b4..66917c6c3813 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -58,8 +58,14 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 	case DRM_VMW_PARAM_FIFO_HW_VERSION:
 	{
 		__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
-
-		param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+		const struct vmw_fifo_state *fifo = &dev_priv->fifo;
+
+		param->value =
+			ioread32(fifo_mem +
+				 ((fifo->capabilities &
+				   SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+				  SVGA_FIFO_3D_HWVERSION_REVISED :
+				  SVGA_FIFO_3D_HWVERSION));
 		break;
 	}
 	default:
@@ -166,13 +172,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
 		ret = -EINVAL;
 		goto out_no_fb;
 	}
-
 	vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj));
-	if (!vfb->dmabuf) {
-		DRM_ERROR("Framebuffer not dmabuf backed.\n");
-		ret = -EINVAL;
-		goto out_no_fb;
-	}
 
 	ret = ttm_read_lock(&vmaster->lock, true);
 	if (unlikely(ret != 0))
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 37d40545ed77..8aa1dbb45c67 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -31,6 +31,44 @@
 /* Might need a hrtimer here? */
 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
 
+
+struct vmw_clip_rect {
+	int x1, x2, y1, y2;
+};
+
+/**
+ * Clip @num_rects number of @rects against @clip storing the
+ * results in @out_rects and the number of passed rects in @out_num.
+ */
+void vmw_clip_cliprects(struct drm_clip_rect *rects,
+			int num_rects,
+			struct vmw_clip_rect clip,
+			SVGASignedRect *out_rects,
+			int *out_num)
+{
+	int i, k;
+
+	for (i = 0, k = 0; i < num_rects; i++) {
+		int x1 = max_t(int, clip.x1, rects[i].x1);
+		int y1 = max_t(int, clip.y1, rects[i].y1);
+		int x2 = min_t(int, clip.x2, rects[i].x2);
+		int y2 = min_t(int, clip.y2, rects[i].y2);
+
+		if (x1 >= x2)
+			continue;
+		if (y1 >= y2)
+			continue;
+
+		out_rects[k].left   = x1;
+		out_rects[k].top    = y1;
+		out_rects[k].right  = x2;
+		out_rects[k].bottom = y2;
+		k++;
+	}
+
+	*out_num = k;
+}
+
 void vmw_display_unit_cleanup(struct vmw_display_unit *du)
 {
 	if (du->cursor_surface)
@@ -82,6 +120,43 @@ int vmw_cursor_update_image(struct vmw_private *dev_priv,
 	return 0;
 }
 
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+			     struct vmw_dma_buffer *dmabuf,
+			     u32 width, u32 height,
+			     u32 hotspotX, u32 hotspotY)
+{
+	struct ttm_bo_kmap_obj map;
+	unsigned long kmap_offset;
+	unsigned long kmap_num;
+	void *virtual;
+	bool dummy;
+	int ret;
+
+	kmap_offset = 0;
+	kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+	ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
+	if (unlikely(ret != 0)) {
+		DRM_ERROR("reserve failed\n");
+		return -EINVAL;
+	}
+
+	ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
+	if (unlikely(ret != 0))
+		goto err_unreserve;
+
+	virtual = ttm_kmap_obj_virtual(&map, &dummy);
+	ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
+				      hotspotX, hotspotY);
+
+	ttm_bo_kunmap(&map);
+err_unreserve:
+	ttm_bo_unreserve(&dmabuf->base);
+
+	return ret;
+}
+
+
 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 				bool show, int x, int y)
 {
@@ -110,24 +185,21 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 		return -EINVAL;
 
 	if (handle) {
-		ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
-						     handle, &surface);
-		if (!ret) {
-			if (!surface->snooper.image) {
-				DRM_ERROR("surface not suitable for cursor\n");
-				vmw_surface_unreference(&surface);
-				return -EINVAL;
-			}
-		} else {
-			ret = vmw_user_dmabuf_lookup(tfile,
-						     handle, &dmabuf);
-			if (ret) {
-				DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
-				return -EINVAL;
-			}
+		ret = vmw_user_lookup_handle(dev_priv, tfile,
+					     handle, &surface, &dmabuf);
+		if (ret) {
+			DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
+			return -EINVAL;
 		}
 	}
 
+	/* need to do this before taking down old image */
+	if (surface && !surface->snooper.image) {
+		DRM_ERROR("surface not suitable for cursor\n");
+		vmw_surface_unreference(&surface);
+		return -EINVAL;
+	}
+
 	/* takedown old cursor */
 	if (du->cursor_surface) {
 		du->cursor_surface->snooper.crtc = NULL;
@@ -146,36 +218,11 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 		vmw_cursor_update_image(dev_priv, surface->snooper.image,
 					64, 64, du->hotspot_x, du->hotspot_y);
 	} else if (dmabuf) {
-		struct ttm_bo_kmap_obj map;
-		unsigned long kmap_offset;
-		unsigned long kmap_num;
-		void *virtual;
-		bool dummy;
-
 		/* vmw_user_surface_lookup takes one reference */
 		du->cursor_dmabuf = dmabuf;
 
-		kmap_offset = 0;
-		kmap_num = (64*64*4) >> PAGE_SHIFT;
-
-		ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
-		if (unlikely(ret != 0)) {
-			DRM_ERROR("reserve failed\n");
-			return -EINVAL;
-		}
-
-		ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
-		if (unlikely(ret != 0))
-			goto err_unreserve;
-
-		virtual = ttm_kmap_obj_virtual(&map, &dummy);
-		vmw_cursor_update_image(dev_priv, virtual, 64, 64,
-					du->hotspot_x, du->hotspot_y);
-
-		ttm_bo_kunmap(&map);
-err_unreserve:
-		ttm_bo_unreserve(&dmabuf->base);
-
+		ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
+					       du->hotspot_x, du->hotspot_y);
 	} else {
 		vmw_cursor_update_position(dev_priv, false, 0, 0);
 		return 0;
@@ -377,8 +424,9 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 				struct drm_clip_rect *clips,
 				unsigned num_clips, int inc)
 {
-	struct drm_clip_rect *clips_ptr;
 	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+	struct drm_clip_rect *clips_ptr;
+	struct drm_clip_rect *tmp;
 	struct drm_crtc *crtc;
 	size_t fifo_size;
 	int i, num_units;
@@ -391,7 +439,6 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 	} *cmd;
 	SVGASignedRect *blits;
 
-
 	num_units = 0;
 	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
 			    head) {
@@ -402,13 +449,24 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 
 	BUG_ON(!clips || !num_clips);
 
+	tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+	if (unlikely(tmp == NULL)) {
+		DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+		return -ENOMEM;
+	}
+
 	fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
 	cmd = kzalloc(fifo_size, GFP_KERNEL);
 	if (unlikely(cmd == NULL)) {
 		DRM_ERROR("Temporary fifo memory alloc failed.\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_free_tmp;
 	}
 
+	/* setup blits pointer */
+	blits = (SVGASignedRect *)&cmd[1];
+
+	/* initial clip region */
 	left = clips->x1;
 	right = clips->x2;
 	top = clips->y1;
@@ -434,45 +492,60 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 	cmd->body.srcRect.bottom = bottom;
 
 	clips_ptr = clips;
-	blits = (SVGASignedRect *)&cmd[1];
 	for (i = 0; i < num_clips; i++, clips_ptr += inc) {
-		blits[i].left   = clips_ptr->x1 - left;
-		blits[i].right  = clips_ptr->x2 - left;
-		blits[i].top    = clips_ptr->y1 - top;
-		blits[i].bottom = clips_ptr->y2 - top;
+		tmp[i].x1 = clips_ptr->x1 - left;
+		tmp[i].x2 = clips_ptr->x2 - left;
+		tmp[i].y1 = clips_ptr->y1 - top;
+		tmp[i].y2 = clips_ptr->y2 - top;
 	}
 
 	/* do per unit writing, reuse fifo for each */
 	for (i = 0; i < num_units; i++) {
 		struct vmw_display_unit *unit = units[i];
-		int clip_x1 = left - unit->crtc.x;
-		int clip_y1 = top - unit->crtc.y;
-		int clip_x2 = right - unit->crtc.x;
-		int clip_y2 = bottom - unit->crtc.y;
+		struct vmw_clip_rect clip;
+		int num;
+
+		clip.x1 = left - unit->crtc.x;
+		clip.y1 = top - unit->crtc.y;
+		clip.x2 = right - unit->crtc.x;
+		clip.y2 = bottom - unit->crtc.y;
 
 		/* skip any crtcs that misses the clip region */
-		if (clip_x1 >= unit->crtc.mode.hdisplay ||
-		    clip_y1 >= unit->crtc.mode.vdisplay ||
-		    clip_x2 <= 0 || clip_y2 <= 0)
+		if (clip.x1 >= unit->crtc.mode.hdisplay ||
+		    clip.y1 >= unit->crtc.mode.vdisplay ||
+		    clip.x2 <= 0 || clip.y2 <= 0)
 			continue;
 
+		/*
+		 * In order for the clip rects to be correctly scaled
+		 * the src and dest rects needs to be the same size.
+		 */
+		cmd->body.destRect.left = clip.x1;
+		cmd->body.destRect.right = clip.x2;
+		cmd->body.destRect.top = clip.y1;
+		cmd->body.destRect.bottom = clip.y2;
+
+		/* create a clip rect of the crtc in dest coords */
+		clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+		clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+		clip.x1 = 0 - clip.x1;
+		clip.y1 = 0 - clip.y1;
+
 		/* need to reset sid as it is changed by execbuf */
 		cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
-
 		cmd->body.destScreenId = unit->unit;
 
-		/*
-		 * The blit command is a lot more resilient then the
-		 * readback command when it comes to clip rects. So its
-		 * okay to go out of bounds.
-		 */
+		/* clip and write blits to cmd stream */
+		vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
 
-		cmd->body.destRect.left = clip_x1;
-		cmd->body.destRect.right = clip_x2;
-		cmd->body.destRect.top = clip_y1;
-		cmd->body.destRect.bottom = clip_y2;
+		/* if no cliprects hit skip this */
+		if (num == 0)
+			continue;
 
 
+		/* recalculate package length */
+		fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+		cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
 					  fifo_size, 0, NULL);
 
@@ -480,7 +553,10 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 			break;
 	}
 
+
 	kfree(cmd);
+out_free_tmp:
+	kfree(tmp);
 
 	return ret;
 }
@@ -556,6 +632,10 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 	 * Sanity checks.
 	 */
 
+	/* Surface must be marked as a scanout. */
+	if (unlikely(!surface->scanout))
+		return -EINVAL;
+
 	if (unlikely(surface->mip_levels[0] != 1 ||
 		     surface->num_sizes != 1 ||
 		     surface->sizes[0].width < mode_cmd->width ||
@@ -782,6 +862,7 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
 			int clip_y1 = clips_ptr->y1 - unit->crtc.y;
 			int clip_x2 = clips_ptr->x2 - unit->crtc.x;
 			int clip_y2 = clips_ptr->y2 - unit->crtc.y;
+			int move_x, move_y;
 
 			/* skip any crtcs that misses the clip region */
 			if (clip_x1 >= unit->crtc.mode.hdisplay ||
@@ -789,12 +870,21 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
 			    clip_x2 <= 0 || clip_y2 <= 0)
 				continue;
 
+			/* clip size to crtc size */
+			clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
+			clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
+
+			/* translate both src and dest to bring clip into screen */
+			move_x = min_t(int, clip_x1, 0);
+			move_y = min_t(int, clip_y1, 0);
+
+			/* actual translate done here */
 			blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
 			blits[hit_num].body.destScreenId = unit->unit;
-			blits[hit_num].body.srcOrigin.x = clips_ptr->x1;
-			blits[hit_num].body.srcOrigin.y = clips_ptr->y1;
-			blits[hit_num].body.destRect.left = clip_x1;
-			blits[hit_num].body.destRect.top = clip_y1;
+			blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
+			blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
+			blits[hit_num].body.destRect.left = clip_x1 - move_x;
+			blits[hit_num].body.destRect.top = clip_y1 - move_y;
 			blits[hit_num].body.destRect.right = clip_x2;
 			blits[hit_num].body.destRect.bottom = clip_y2;
 			hit_num++;
@@ -1033,46 +1123,29 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
 		return ERR_PTR(-ENOENT);
 	}
 
-	/**
-	 * End conditioned code.
-	 */
-
-	ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
-					     mode_cmd->handle, &surface);
+	/* returns either a dmabuf or surface */
+	ret = vmw_user_lookup_handle(dev_priv, tfile,
+				     mode_cmd->handle,
+				     &surface, &bo);
 	if (ret)
-		goto try_dmabuf;
-
-	if (!surface->scanout)
-		goto err_not_scanout;
-
-	ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, surface,
-					      &vfb, mode_cmd);
-
-	/* vmw_user_surface_lookup takes one ref so does new_fb */
-	vmw_surface_unreference(&surface);
-
-	if (ret) {
-		DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
-		ttm_base_object_unref(&user_obj);
-		return ERR_PTR(ret);
-	} else
-		vfb->user_obj = user_obj;
-	return &vfb->base;
-
-try_dmabuf:
-	DRM_INFO("%s: trying buffer\n", __func__);
-
-	ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo);
-	if (ret) {
-		DRM_ERROR("failed to find buffer: %i\n", ret);
-		return ERR_PTR(-ENOENT);
-	}
-
-	ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
-					     mode_cmd);
+		goto err_out;
+
+	/* Create the new framebuffer depending one what we got back */
+	if (bo)
+		ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
+						     mode_cmd);
+	else if (surface)
+		ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
+						      surface, &vfb, mode_cmd);
+	else
+		BUG();
 
-	/* vmw_user_dmabuf_lookup takes one ref so does new_fb */
-	vmw_dmabuf_unreference(&bo);
+err_out:
+	/* vmw_user_lookup_handle takes one ref so does new_fb */
+	if (bo)
+		vmw_dmabuf_unreference(&bo);
+	if (surface)
+		vmw_surface_unreference(&surface);
 
 	if (ret) {
 		DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
@@ -1082,14 +1155,6 @@ try_dmabuf:
 		vfb->user_obj = user_obj;
 
 	return &vfb->base;
-
-err_not_scanout:
-	DRM_ERROR("surface not marked as scanout\n");
-	/* vmw_user_surface_lookup takes one ref */
-	vmw_surface_unreference(&surface);
-	ttm_base_object_unref(&user_obj);
-
-	return ERR_PTR(-EINVAL);
 }
 
 static struct drm_mode_config_funcs vmw_kms_funcs = {
@@ -1106,10 +1171,12 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 		    uint32_t num_clips)
 {
 	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+	struct drm_clip_rect *tmp;
 	struct drm_crtc *crtc;
 	size_t fifo_size;
 	int i, k, num_units;
 	int ret = 0; /* silence warning */
+	int left, right, top, bottom;
 
 	struct {
 		SVGA3dCmdHeader header;
@@ -1127,60 +1194,95 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 	BUG_ON(surface == NULL);
 	BUG_ON(!clips || !num_clips);
 
+	tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+	if (unlikely(tmp == NULL)) {
+		DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+		return -ENOMEM;
+	}
+
 	fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
 	cmd = kmalloc(fifo_size, GFP_KERNEL);
 	if (unlikely(cmd == NULL)) {
 		DRM_ERROR("Failed to allocate temporary fifo memory.\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_free_tmp;
+	}
+
+	left = clips->x;
+	right = clips->x + clips->w;
+	top = clips->y;
+	bottom = clips->y + clips->h;
+
+	for (i = 1; i < num_clips; i++) {
+		left = min_t(int, left, (int)clips[i].x);
+		right = max_t(int, right, (int)clips[i].x + clips[i].w);
+		top = min_t(int, top, (int)clips[i].y);
+		bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
 	}
 
 	/* only need to do this once */
 	memset(cmd, 0, fifo_size);
 	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
-	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
-
-	cmd->body.srcRect.left = 0;
-	cmd->body.srcRect.right = surface->sizes[0].width;
-	cmd->body.srcRect.top = 0;
-	cmd->body.srcRect.bottom = surface->sizes[0].height;
 
 	blits = (SVGASignedRect *)&cmd[1];
+
+	cmd->body.srcRect.left = left;
+	cmd->body.srcRect.right = right;
+	cmd->body.srcRect.top = top;
+	cmd->body.srcRect.bottom = bottom;
+
 	for (i = 0; i < num_clips; i++) {
-		blits[i].left   = clips[i].x;
-		blits[i].right  = clips[i].x + clips[i].w;
-		blits[i].top    = clips[i].y;
-		blits[i].bottom = clips[i].y + clips[i].h;
+		tmp[i].x1 = clips[i].x - left;
+		tmp[i].x2 = clips[i].x + clips[i].w - left;
+		tmp[i].y1 = clips[i].y - top;
+		tmp[i].y2 = clips[i].y + clips[i].h - top;
 	}
 
 	for (k = 0; k < num_units; k++) {
 		struct vmw_display_unit *unit = units[k];
-		int clip_x1 = destX - unit->crtc.x;
-		int clip_y1 = destY - unit->crtc.y;
-		int clip_x2 = clip_x1 + surface->sizes[0].width;
-		int clip_y2 = clip_y1 + surface->sizes[0].height;
+		struct vmw_clip_rect clip;
+		int num;
+
+		clip.x1 = left + destX - unit->crtc.x;
+		clip.y1 = top + destY - unit->crtc.y;
+		clip.x2 = right + destX - unit->crtc.x;
+		clip.y2 = bottom + destY - unit->crtc.y;
 
 		/* skip any crtcs that misses the clip region */
-		if (clip_x1 >= unit->crtc.mode.hdisplay ||
-		    clip_y1 >= unit->crtc.mode.vdisplay ||
-		    clip_x2 <= 0 || clip_y2 <= 0)
+		if (clip.x1 >= unit->crtc.mode.hdisplay ||
+		    clip.y1 >= unit->crtc.mode.vdisplay ||
+		    clip.x2 <= 0 || clip.y2 <= 0)
 			continue;
 
+		/*
+		 * In order for the clip rects to be correctly scaled
+		 * the src and dest rects needs to be the same size.
+		 */
+		cmd->body.destRect.left = clip.x1;
+		cmd->body.destRect.right = clip.x2;
+		cmd->body.destRect.top = clip.y1;
+		cmd->body.destRect.bottom = clip.y2;
+
+		/* create a clip rect of the crtc in dest coords */
+		clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+		clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+		clip.x1 = 0 - clip.x1;
+		clip.y1 = 0 - clip.y1;
+
 		/* need to reset sid as it is changed by execbuf */
 		cmd->body.srcImage.sid = sid;
-
 		cmd->body.destScreenId = unit->unit;
 
-		/*
-		 * The blit command is a lot more resilient then the
-		 * readback command when it comes to clip rects. So its
-		 * okay to go out of bounds.
-		 */
+		/* clip and write blits to cmd stream */
+		vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
 
-		cmd->body.destRect.left = clip_x1;
-		cmd->body.destRect.right = clip_x2;
-		cmd->body.destRect.top = clip_y1;
-		cmd->body.destRect.bottom = clip_y2;
+		/* if no cliprects hit skip this */
+		if (num == 0)
+			continue;
 
+		/* recalculate package length */
+		fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+		cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
 					  fifo_size, 0, NULL);
 
@@ -1189,6 +1291,8 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 	}
 
 	kfree(cmd);
+out_free_tmp:
+	kfree(tmp);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index af8e6e5bd964..e1cb8556355f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -62,9 +62,14 @@ struct vmw_framebuffer {
 int vmw_cursor_update_image(struct vmw_private *dev_priv,
 			    u32 *image, u32 width, u32 height,
 			    u32 hotspotX, u32 hotspotY);
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+			     struct vmw_dma_buffer *dmabuf,
+			     u32 width, u32 height,
+			     u32 hotspotX, u32 hotspotY);
 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 				bool show, int x, int y);
 
+
 /**
  * Base class display unit.
  *
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 90c5e3928491..8f8dbd43c33d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -74,9 +74,10 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
 {
 	struct vmw_legacy_display *lds = dev_priv->ldu_priv;
 	struct vmw_legacy_display_unit *entry;
+	struct vmw_display_unit *du = NULL;
 	struct drm_framebuffer *fb = NULL;
 	struct drm_crtc *crtc = NULL;
-	int i = 0;
+	int i = 0, ret;
 
 	/* If there is no display topology the host just assumes
 	 * that the guest will set the same layout as the host.
@@ -129,6 +130,25 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
 
 	lds->last_num_active = lds->num_active;
 
+
+	/* Find the first du with a cursor. */
+	list_for_each_entry(entry, &lds->active, active) {
+		du = &entry->base;
+
+		if (!du->cursor_dmabuf)
+			continue;
+
+		ret = vmw_cursor_update_dmabuf(dev_priv,
+					       du->cursor_dmabuf,
+					       64, 64,
+					       du->hotspot_x,
+					       du->hotspot_y);
+		if (ret == 0)
+			break;
+
+		DRM_ERROR("Could not update cursor image\n");
+	}
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 86c5e4cceb31..1c7f09e26819 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1190,6 +1190,29 @@ void vmw_resource_unreserve(struct list_head *list)
 		write_unlock(lock);
 }
 
+/**
+ * Helper function that looks either a surface or dmabuf.
+ *
+ * The pointer this pointed at by out_surf and out_buf needs to be null.
+ */
+int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+			   struct ttm_object_file *tfile,
+			   uint32_t handle,
+			   struct vmw_surface **out_surf,
+			   struct vmw_dma_buffer **out_buf)
+{
+	int ret;
+
+	BUG_ON(*out_surf || *out_buf);
+
+	ret = vmw_user_surface_lookup_handle(dev_priv, tfile, handle, out_surf);
+	if (!ret)
+		return 0;
+
+	ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+	return ret;
+}
+
 
 int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 				   struct ttm_object_file *tfile,
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 7a48b1eb4233..5253d23361d9 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -59,7 +59,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
 {
 	struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
 	struct completion *completion = &hwmon->read_completion;
-	unsigned long t;
+	long t;
 	unsigned long val;
 	int ret;
 
@@ -203,7 +203,7 @@ static int __devexit jz4740_hwmon_remove(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver jz4740_hwmon_driver = {
+static struct platform_driver jz4740_hwmon_driver = {
 	.probe	= jz4740_hwmon_probe,
 	.remove = __devexit_p(jz4740_hwmon_remove),
 	.driver = {
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 8cebef49aeac..18936ac9d51c 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -893,6 +893,13 @@ static int __devinit pch_i2c_probe(struct pci_dev *pdev,
 	/* Set the number of I2C channel instance */
 	adap_info->ch_num = id->driver_data;
 
+	ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
+		  KBUILD_MODNAME, adap_info);
+	if (ret) {
+		pch_pci_err(pdev, "request_irq FAILED\n");
+		goto err_request_irq;
+	}
+
 	for (i = 0; i < adap_info->ch_num; i++) {
 		pch_adap = &adap_info->pch_data[i].pch_adapter;
 		adap_info->pch_i2c_suspended = false;
@@ -910,28 +917,23 @@ static int __devinit pch_i2c_probe(struct pci_dev *pdev,
 
 		pch_adap->dev.parent = &pdev->dev;
 
+		pch_i2c_init(&adap_info->pch_data[i]);
 		ret = i2c_add_adapter(pch_adap);
 		if (ret) {
 			pch_pci_err(pdev, "i2c_add_adapter[ch:%d] FAILED\n", i);
-			goto err_i2c_add_adapter;
+			goto err_add_adapter;
 		}
-
-		pch_i2c_init(&adap_info->pch_data[i]);
-	}
-	ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
-		  KBUILD_MODNAME, adap_info);
-	if (ret) {
-		pch_pci_err(pdev, "request_irq FAILED\n");
-		goto err_i2c_add_adapter;
 	}
 
 	pci_set_drvdata(pdev, adap_info);
 	pch_pci_dbg(pdev, "returns %d.\n", ret);
 	return 0;
 
-err_i2c_add_adapter:
+err_add_adapter:
 	for (j = 0; j < i; j++)
 		i2c_del_adapter(&adap_info->pch_data[j].pch_adapter);
+	free_irq(pdev->irq, adap_info);
+err_request_irq:
 	pci_iounmap(pdev, base_addr);
 err_pci_iomap:
 	pci_release_regions(pdev);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index a43d0023446a..fa23faa20f0e 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1047,13 +1047,14 @@ omap_i2c_probe(struct platform_device *pdev)
 		 * size. This is to ensure that we can handle the status on int
 		 * call back latencies.
 		 */
-		if (dev->rev >= OMAP_I2C_REV_ON_3530_4430) {
-			dev->fifo_size = 0;
+
+		dev->fifo_size = (dev->fifo_size / 2);
+
+		if (dev->rev >= OMAP_I2C_REV_ON_3530_4430)
 			dev->b_hw = 0; /* Disable hardware fixes */
-		} else {
-			dev->fifo_size = (dev->fifo_size / 2);
+		else
 			dev->b_hw = 1; /* Enable hardware fixes */
-		}
+
 		/* calculate wakeup latency constraint for MPU */
 		if (dev->set_mpu_wkup_lat != NULL)
 			dev->latency = (1000000 * dev->fifo_size) /
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 2754cef86a06..4c1718081685 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -534,6 +534,7 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
 
 	/* first, try busy waiting briefly */
 	do {
+		cpu_relax();
 		iicstat = readl(i2c->regs + S3C2410_IICSTAT);
 	} while ((iicstat & S3C2410_IICSTAT_START) && --spins);
 
@@ -786,7 +787,7 @@ static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
 #else
 static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
 {
-	return -EINVAL;
+	return 0;
 }
 
 static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 75ff821c0af0..d0d4aa9f4802 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2513,6 +2513,9 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv,
 
 	req.private_data_len = sizeof(struct cma_hdr) +
 			       conn_param->private_data_len;
+	if (req.private_data_len < conn_param->private_data_len)
+		return -EINVAL;
+
 	req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
 	if (!req.private_data)
 		return -ENOMEM;
@@ -2562,6 +2565,9 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
 	memset(&req, 0, sizeof req);
 	offset = cma_user_data_offset(id_priv->id.ps);
 	req.private_data_len = offset + conn_param->private_data_len;
+	if (req.private_data_len < conn_param->private_data_len)
+		return -EINVAL;
+
 	private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
 	if (!private_data)
 		return -ENOMEM;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 77f3dbc0aaa1..18836cdf1e10 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1244,7 +1244,8 @@ err_reg:
 
 err_counter:
 	for (; i; --i)
-		mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
+		if (ibdev->counters[i - 1] != -1)
+			mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
 
 err_map:
 	iounmap(ibdev->uar_map);
@@ -1275,7 +1276,8 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
 	}
 	iounmap(ibdev->uar_map);
 	for (p = 0; p < ibdev->num_ports; ++p)
-		mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
+		if (ibdev->counters[p] != -1)
+			mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
 	mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
 		mlx4_CLOSE_PORT(dev, p);
 
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 574600ef5b42..a7403248d83d 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1285,7 +1285,7 @@ static int setup_ctxt(struct qib_pportdata *ppd, int ctxt,
 	strlcpy(rcd->comm, current->comm, sizeof(rcd->comm));
 	ctxt_fp(fp) = rcd;
 	qib_stats.sps_ctxts++;
-	dd->freectxts++;
+	dd->freectxts--;
 	ret = 0;
 	goto bail;
 
@@ -1794,7 +1794,7 @@ static int qib_close(struct inode *in, struct file *fp)
 		if (dd->pageshadow)
 			unlock_expected_tids(rcd);
 		qib_stats.sps_ctxts--;
-		dd->freectxts--;
+		dd->freectxts++;
 	}
 
 	mutex_unlock(&qib_mutex);
diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
index 80793f1608eb..06517e60e50c 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -115,8 +115,8 @@ static void decode_mg(struct cma3000_accl_data *data, int *datax,
 static irqreturn_t cma3000_thread_irq(int irq, void *dev_id)
 {
 	struct cma3000_accl_data *data = dev_id;
-	int datax, datay, dataz;
-	u8 ctrl, mode, range, intr_status;
+	int datax, datay, dataz, intr_status;
+	u8 ctrl, mode, range;
 
 	intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status");
 	if (intr_status < 0)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index c080b828e5dc..a6dcd18e9adf 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -24,6 +24,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/dmi.h>
 #include <linux/input/mt.h>
 #include <linux/serio.h>
@@ -1220,6 +1221,16 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 
 	do {
 		psmouse_reset(psmouse);
+		if (retry) {
+			/*
+			 * On some boxes, right after resuming, the touchpad
+			 * needs some time to finish initializing (I assume
+			 * it needs time to calibrate) and start responding
+			 * to Synaptics-specific queries, so let's wait a
+			 * bit.
+			 */
+			ssleep(1);
+		}
 		error = synaptics_detect(psmouse, 0);
 	} while (error && ++retry < 3);
 
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index da0d8761e778..2ee47d01a3b4 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1470,6 +1470,9 @@ static const struct wacom_features wacom_features_0xE3 =
 static const struct wacom_features wacom_features_0xE6 =
 	{ "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
 	  0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xEC =
+	{ "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
+	  0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x47 =
 	{ "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
 	  31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -1611,6 +1614,7 @@ const struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0xE2) },
 	{ USB_DEVICE_WACOM(0xE3) },
 	{ USB_DEVICE_WACOM(0xE6) },
+	{ USB_DEVICE_WACOM(0xEC) },
 	{ USB_DEVICE_WACOM(0x47) },
 	{ USB_DEVICE_LENOVO(0x6004) },
 	{ }
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index a004c3945c67..bdc447fd4766 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -405,6 +405,9 @@ int dmar_disabled = 0;
 int dmar_disabled = 1;
 #endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/
 
+int intel_iommu_enabled = 0;
+EXPORT_SYMBOL_GPL(intel_iommu_enabled);
+
 static int dmar_map_gfx = 1;
 static int dmar_forcedac;
 static int intel_iommu_strict;
@@ -3647,6 +3650,8 @@ int __init intel_iommu_init(void)
 
 	bus_register_notifier(&pci_bus_type, &device_nb);
 
+	intel_iommu_enabled = 1;
+
 	return 0;
 }
 
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index b6907118283a..6d03774b176e 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1393,9 +1393,6 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 			 atomic_read(&bitmap->behind_writes),
 			 bitmap->mddev->bitmap_info.max_write_behind);
 	}
-	if (bitmap->mddev->degraded)
-		/* Never clear bits or update events_cleared when degraded */
-		success = 0;
 
 	while (sectors) {
 		sector_t blocks;
@@ -1409,7 +1406,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 			return;
 		}
 
-		if (success &&
+		if (success && !bitmap->mddev->degraded &&
 		    bitmap->events_cleared < bitmap->mddev->events) {
 			bitmap->events_cleared = bitmap->mddev->events;
 			bitmap->need_sync = 1;
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index c3273efd08cb..627456542fb3 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -230,6 +230,7 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
 		return -EINVAL;
 
 	rdev->raid_disk = rdev->saved_raid_disk;
+	rdev->saved_raid_disk = -1;
 
 	newconf = linear_conf(mddev,mddev->raid_disks+1);
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index ee981737edfc..f47f1f8ac44b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7360,8 +7360,7 @@ static int remove_and_add_spares(struct mddev *mddev)
 					spares++;
 					md_new_event(mddev);
 					set_bit(MD_CHANGE_DEVS, &mddev->flags);
-				} else
-					break;
+				}
 			}
 		}
 	}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 31670f8d6b65..858fdbb7eb07 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3065,11 +3065,17 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			}
 		} else if (test_bit(In_sync, &rdev->flags))
 			set_bit(R5_Insync, &dev->flags);
-		else {
+		else if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
 			/* in sync if before recovery_offset */
-			if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
-				set_bit(R5_Insync, &dev->flags);
-		}
+			set_bit(R5_Insync, &dev->flags);
+		else if (test_bit(R5_UPTODATE, &dev->flags) &&
+			 test_bit(R5_Expanded, &dev->flags))
+			/* If we've reshaped into here, we assume it is Insync.
+			 * We will shortly update recovery_offset to make
+			 * it official.
+			 */
+			set_bit(R5_Insync, &dev->flags);
+
 		if (rdev && test_bit(R5_WriteError, &dev->flags)) {
 			clear_bit(R5_Insync, &dev->flags);
 			if (!test_bit(Faulty, &rdev->flags)) {
diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 7eb1bf75cd07..5d02221e99dd 100644
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -488,9 +488,10 @@ static int mxl5007t_write_regs(struct mxl5007t_state *state,
 
 static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val)
 {
+	u8 buf[2] = { 0xfb, reg };
 	struct i2c_msg msg[] = {
 		{ .addr = state->i2c_props.addr, .flags = 0,
-		  .buf = &reg, .len = 1 },
+		  .buf = buf, .len = 2 },
 		{ .addr = state->i2c_props.addr, .flags = I2C_M_RD,
 		  .buf = val, .len = 1 },
 	};
diff --git a/drivers/media/common/tuners/tda18218.c b/drivers/media/common/tuners/tda18218.c
index aacfe2387e28..4fc29730a12c 100644
--- a/drivers/media/common/tuners/tda18218.c
+++ b/drivers/media/common/tuners/tda18218.c
@@ -141,7 +141,7 @@ static int tda18218_set_params(struct dvb_frontend *fe,
 	switch (params->u.ofdm.bandwidth) {
 	case BANDWIDTH_6_MHZ:
 		LP_Fc = 0;
-		LO_Frac = params->frequency + 4000000;
+		LO_Frac = params->frequency + 3000000;
 		break;
 	case BANDWIDTH_7_MHZ:
 		LP_Fc = 1;
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 303f22ea04c0..01bb8daf4b09 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -189,7 +189,7 @@ struct ati_remote {
 	dma_addr_t inbuf_dma;
 	dma_addr_t outbuf_dma;
 
-	unsigned char old_data[2];  /* Detect duplicate events */
+	unsigned char old_data;     /* Detect duplicate events */
 	unsigned long old_jiffies;
 	unsigned long acc_jiffies;  /* handle acceleration */
 	unsigned long first_jiffies;
@@ -221,35 +221,35 @@ struct ati_remote {
 /* Translation table from hardware messages to input events. */
 static const struct {
 	short kind;
-	unsigned char data1, data2;
+	unsigned char data;
 	int type;
 	unsigned int code;
 	int value;
 }  ati_remote_tbl[] = {
 	/* Directional control pad axes */
-	{KIND_ACCEL,   0x35, 0x70, EV_REL, REL_X, -1},	 /* left */
-	{KIND_ACCEL,   0x36, 0x71, EV_REL, REL_X, 1},    /* right */
-	{KIND_ACCEL,   0x37, 0x72, EV_REL, REL_Y, -1},	 /* up */
-	{KIND_ACCEL,   0x38, 0x73, EV_REL, REL_Y, 1},    /* down */
+	{KIND_ACCEL,   0x70, EV_REL, REL_X, -1},   /* left */
+	{KIND_ACCEL,   0x71, EV_REL, REL_X, 1},    /* right */
+	{KIND_ACCEL,   0x72, EV_REL, REL_Y, -1},   /* up */
+	{KIND_ACCEL,   0x73, EV_REL, REL_Y, 1},    /* down */
 	/* Directional control pad diagonals */
-	{KIND_LU,      0x39, 0x74, EV_REL, 0, 0},        /* left up */
-	{KIND_RU,      0x3a, 0x75, EV_REL, 0, 0},        /* right up */
-	{KIND_LD,      0x3c, 0x77, EV_REL, 0, 0},        /* left down */
-	{KIND_RD,      0x3b, 0x76, EV_REL, 0, 0},        /* right down */
+	{KIND_LU,      0x74, EV_REL, 0, 0},        /* left up */
+	{KIND_RU,      0x75, EV_REL, 0, 0},        /* right up */
+	{KIND_LD,      0x77, EV_REL, 0, 0},        /* left down */
+	{KIND_RD,      0x76, EV_REL, 0, 0},        /* right down */
 
 	/* "Mouse button" buttons */
-	{KIND_LITERAL, 0x3d, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
-	{KIND_LITERAL, 0x3e, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
-	{KIND_LITERAL, 0x41, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
-	{KIND_LITERAL, 0x42, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
+	{KIND_LITERAL, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
+	{KIND_LITERAL, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
+	{KIND_LITERAL, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
+	{KIND_LITERAL, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
 
 	/* Artificial "doubleclick" events are generated by the hardware.
 	 * They are mapped to the "side" and "extra" mouse buttons here. */
-	{KIND_FILTERED, 0x3f, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
-	{KIND_FILTERED, 0x43, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
+	{KIND_FILTERED, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
+	{KIND_FILTERED, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
 
 	/* Non-mouse events are handled by rc-core */
-	{KIND_END, 0x00, 0x00, EV_MAX + 1, 0, 0}
+	{KIND_END, 0x00, EV_MAX + 1, 0, 0}
 };
 
 /* Local function prototypes */
@@ -397,25 +397,6 @@ static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd, unsigne
 }
 
 /*
- *	ati_remote_event_lookup
- */
-static int ati_remote_event_lookup(int rem, unsigned char d1, unsigned char d2)
-{
-	int i;
-
-	for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
-		/*
-		 * Decide if the table entry matches the remote input.
-		 */
-		if (ati_remote_tbl[i].data1 == d1 &&
-		    ati_remote_tbl[i].data2 == d2)
-			return i;
-
-	}
-	return -1;
-}
-
-/*
  *	ati_remote_compute_accel
  *
  * Implements acceleration curve for directional control pad
@@ -463,7 +444,15 @@ static void ati_remote_input_report(struct urb *urb)
 	int index = -1;
 	int acc;
 	int remote_num;
-	unsigned char scancode[2];
+	unsigned char scancode;
+	int i;
+
+	/*
+	 * data[0] = 0x14
+	 * data[1] = data[2] + data[3] + 0xd5 (a checksum byte)
+	 * data[2] = the key code (with toggle bit in MSB with some models)
+	 * data[3] = channel << 4 (the low 4 bits must be zero)
+	 */
 
 	/* Deal with strange looking inputs */
 	if ( (urb->actual_length != 4) || (data[0] != 0x14) ||
@@ -472,6 +461,13 @@ static void ati_remote_input_report(struct urb *urb)
 		return;
 	}
 
+	if (data[1] != ((data[2] + data[3] + 0xd5) & 0xff)) {
+		dbginfo(&ati_remote->interface->dev,
+			"wrong checksum in input: %02x %02x %02x %02x\n",
+			data[0], data[1], data[2], data[3]);
+		return;
+	}
+
 	/* Mask unwanted remote channels.  */
 	/* note: remote_num is 0-based, channel 1 on remote == 0 here */
 	remote_num = (data[3] >> 4) & 0x0f;
@@ -482,31 +478,30 @@ static void ati_remote_input_report(struct urb *urb)
 		return;
 	}
 
-	scancode[0] = (((data[1] - ((remote_num + 1) << 4)) & 0xf0) | (data[1] & 0x0f));
-
 	/*
-	 * Some devices (e.g. SnapStream Firefly) use 8080 as toggle code,
-	 * so we have to clear them. The first bit is a bit tricky as the
-	 * "non-toggled" state depends on remote_num, so we xor it with the
-	 * second bit which is only used for toggle.
+	 * MSB is a toggle code, though only used by some devices
+	 * (e.g. SnapStream Firefly)
 	 */
-	scancode[0] ^= (data[2] & 0x80);
-
-	scancode[1] = data[2] & ~0x80;
+	scancode = data[2] & 0x7f;
 
-	/* Look up event code index in mouse translation table. */
-	index = ati_remote_event_lookup(remote_num, scancode[0], scancode[1]);
+	/* Look up event code index in the mouse translation table. */
+	for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
+		if (scancode == ati_remote_tbl[i].data) {
+			index = i;
+			break;
+		}
+	}
 
 	if (index >= 0) {
 		dbginfo(&ati_remote->interface->dev,
-			"channel 0x%02x; mouse data %02x,%02x; index %d; keycode %d\n",
-			remote_num, data[1], data[2], index, ati_remote_tbl[index].code);
+			"channel 0x%02x; mouse data %02x; index %d; keycode %d\n",
+			remote_num, data[2], index, ati_remote_tbl[index].code);
 		if (!dev)
 			return; /* no mouse device */
 	} else
 		dbginfo(&ati_remote->interface->dev,
-			"channel 0x%02x; key data %02x,%02x, scancode %02x,%02x\n",
-			remote_num, data[1], data[2], scancode[0], scancode[1]);
+			"channel 0x%02x; key data %02x, scancode %02x\n",
+			remote_num, data[2], scancode);
 
 
 	if (index >= 0 && ati_remote_tbl[index].kind == KIND_LITERAL) {
@@ -523,8 +518,7 @@ static void ati_remote_input_report(struct urb *urb)
 		unsigned long now = jiffies;
 
 		/* Filter duplicate events which happen "too close" together. */
-		if (ati_remote->old_data[0] == data[1] &&
-		    ati_remote->old_data[1] == data[2] &&
+		if (ati_remote->old_data == data[2] &&
 		    time_before(now, ati_remote->old_jiffies +
 				     msecs_to_jiffies(repeat_filter))) {
 			ati_remote->repeat_count++;
@@ -533,8 +527,7 @@ static void ati_remote_input_report(struct urb *urb)
 			ati_remote->first_jiffies = now;
 		}
 
-		ati_remote->old_data[0] = data[1];
-		ati_remote->old_data[1] = data[2];
+		ati_remote->old_data = data[2];
 		ati_remote->old_jiffies = now;
 
 		/* Ensure we skip at least the 4 first duplicate events (generated
@@ -549,14 +542,13 @@ static void ati_remote_input_report(struct urb *urb)
 
 		if (index < 0) {
 			/* Not a mouse event, hand it to rc-core. */
-			u32 rc_code = (scancode[0] << 8) | scancode[1];
 
 			/*
 			 * We don't use the rc-core repeat handling yet as
 			 * it would cause ghost repeats which would be a
 			 * regression for this driver.
 			 */
-			rc_keydown_notimeout(ati_remote->rdev, rc_code,
+			rc_keydown_notimeout(ati_remote->rdev, scancode,
 					     data[2]);
 			rc_keyup(ati_remote->rdev);
 			return;
@@ -607,8 +599,7 @@ static void ati_remote_input_report(struct urb *urb)
 		input_sync(dev);
 
 		ati_remote->old_jiffies = jiffies;
-		ati_remote->old_data[0] = data[1];
-		ati_remote->old_data[1] = data[2];
+		ati_remote->old_data = data[2];
 	}
 }
 
diff --git a/drivers/media/rc/keymaps/rc-ati-x10.c b/drivers/media/rc/keymaps/rc-ati-x10.c
index e1b8b2605c48..81506440eded 100644
--- a/drivers/media/rc/keymaps/rc-ati-x10.c
+++ b/drivers/media/rc/keymaps/rc-ati-x10.c
@@ -27,55 +27,55 @@
 #include <media/rc-map.h>
 
 static struct rc_map_table ati_x10[] = {
-	{ 0xd20d, KEY_1 },
-	{ 0xd30e, KEY_2 },
-	{ 0xd40f, KEY_3 },
-	{ 0xd510, KEY_4 },
-	{ 0xd611, KEY_5 },
-	{ 0xd712, KEY_6 },
-	{ 0xd813, KEY_7 },
-	{ 0xd914, KEY_8 },
-	{ 0xda15, KEY_9 },
-	{ 0xdc17, KEY_0 },
-	{ 0xc500, KEY_A },
-	{ 0xc601, KEY_B },
-	{ 0xde19, KEY_C },
-	{ 0xe01b, KEY_D },
-	{ 0xe621, KEY_E },
-	{ 0xe823, KEY_F },
+	{ 0x0d, KEY_1 },
+	{ 0x0e, KEY_2 },
+	{ 0x0f, KEY_3 },
+	{ 0x10, KEY_4 },
+	{ 0x11, KEY_5 },
+	{ 0x12, KEY_6 },
+	{ 0x13, KEY_7 },
+	{ 0x14, KEY_8 },
+	{ 0x15, KEY_9 },
+	{ 0x17, KEY_0 },
+	{ 0x00, KEY_A },
+	{ 0x01, KEY_B },
+	{ 0x19, KEY_C },
+	{ 0x1b, KEY_D },
+	{ 0x21, KEY_E },
+	{ 0x23, KEY_F },
 
-	{ 0xdd18, KEY_KPENTER },    /* "check" */
-	{ 0xdb16, KEY_MENU },       /* "menu" */
-	{ 0xc702, KEY_POWER },      /* Power */
-	{ 0xc803, KEY_TV },         /* TV */
-	{ 0xc904, KEY_DVD },        /* DVD */
-	{ 0xca05, KEY_WWW },        /* WEB */
-	{ 0xcb06, KEY_BOOKMARKS },  /* "book" */
-	{ 0xcc07, KEY_EDIT },       /* "hand" */
-	{ 0xe11c, KEY_COFFEE },     /* "timer" */
-	{ 0xe520, KEY_FRONT },      /* "max" */
-	{ 0xe21d, KEY_LEFT },       /* left */
-	{ 0xe41f, KEY_RIGHT },      /* right */
-	{ 0xe722, KEY_DOWN },       /* down */
-	{ 0xdf1a, KEY_UP },         /* up */
-	{ 0xe31e, KEY_OK },         /* "OK" */
-	{ 0xce09, KEY_VOLUMEDOWN }, /* VOL + */
-	{ 0xcd08, KEY_VOLUMEUP },   /* VOL - */
-	{ 0xcf0a, KEY_MUTE },       /* MUTE  */
-	{ 0xd00b, KEY_CHANNELUP },  /* CH + */
-	{ 0xd10c, KEY_CHANNELDOWN },/* CH - */
-	{ 0xec27, KEY_RECORD },     /* ( o) red */
-	{ 0xea25, KEY_PLAY },       /* ( >) */
-	{ 0xe924, KEY_REWIND },     /* (<<) */
-	{ 0xeb26, KEY_FORWARD },    /* (>>) */
-	{ 0xed28, KEY_STOP },       /* ([]) */
-	{ 0xee29, KEY_PAUSE },      /* ('') */
-	{ 0xf02b, KEY_PREVIOUS },   /* (<-) */
-	{ 0xef2a, KEY_NEXT },       /* (>+) */
-	{ 0xf22d, KEY_INFO },       /* PLAYING */
-	{ 0xf32e, KEY_HOME },       /* TOP */
-	{ 0xf42f, KEY_END },        /* END */
-	{ 0xf530, KEY_SELECT },     /* SELECT */
+	{ 0x18, KEY_KPENTER },    /* "check" */
+	{ 0x16, KEY_MENU },       /* "menu" */
+	{ 0x02, KEY_POWER },      /* Power */
+	{ 0x03, KEY_TV },         /* TV */
+	{ 0x04, KEY_DVD },        /* DVD */
+	{ 0x05, KEY_WWW },        /* WEB */
+	{ 0x06, KEY_BOOKMARKS },  /* "book" */
+	{ 0x07, KEY_EDIT },       /* "hand" */
+	{ 0x1c, KEY_COFFEE },     /* "timer" */
+	{ 0x20, KEY_FRONT },      /* "max" */
+	{ 0x1d, KEY_LEFT },       /* left */
+	{ 0x1f, KEY_RIGHT },      /* right */
+	{ 0x22, KEY_DOWN },       /* down */
+	{ 0x1a, KEY_UP },         /* up */
+	{ 0x1e, KEY_OK },         /* "OK" */
+	{ 0x09, KEY_VOLUMEDOWN }, /* VOL + */
+	{ 0x08, KEY_VOLUMEUP },   /* VOL - */
+	{ 0x0a, KEY_MUTE },       /* MUTE  */
+	{ 0x0b, KEY_CHANNELUP },  /* CH + */
+	{ 0x0c, KEY_CHANNELDOWN },/* CH - */
+	{ 0x27, KEY_RECORD },     /* ( o) red */
+	{ 0x25, KEY_PLAY },       /* ( >) */
+	{ 0x24, KEY_REWIND },     /* (<<) */
+	{ 0x26, KEY_FORWARD },    /* (>>) */
+	{ 0x28, KEY_STOP },       /* ([]) */
+	{ 0x29, KEY_PAUSE },      /* ('') */
+	{ 0x2b, KEY_PREVIOUS },   /* (<-) */
+	{ 0x2a, KEY_NEXT },       /* (>+) */
+	{ 0x2d, KEY_INFO },       /* PLAYING */
+	{ 0x2e, KEY_HOME },       /* TOP */
+	{ 0x2f, KEY_END },        /* END */
+	{ 0x30, KEY_SELECT },     /* SELECT */
 };
 
 static struct rc_map_list ati_x10_map = {
diff --git a/drivers/media/rc/keymaps/rc-medion-x10.c b/drivers/media/rc/keymaps/rc-medion-x10.c
index 09e2cc01d110..479cdb897810 100644
--- a/drivers/media/rc/keymaps/rc-medion-x10.c
+++ b/drivers/media/rc/keymaps/rc-medion-x10.c
@@ -25,70 +25,70 @@
 #include <media/rc-map.h>
 
 static struct rc_map_table medion_x10[] = {
-	{ 0xf12c, KEY_TV },    /* TV */
-	{ 0xf22d, KEY_VCR },   /* VCR */
-	{ 0xc904, KEY_DVD },   /* DVD */
-	{ 0xcb06, KEY_AUDIO }, /* MUSIC */
-
-	{ 0xf32e, KEY_RADIO },     /* RADIO */
-	{ 0xca05, KEY_DIRECTORY }, /* PHOTO */
-	{ 0xf42f, KEY_INFO },      /* TV-PREVIEW */
-	{ 0xf530, KEY_LIST },      /* CHANNEL-LST */
-
-	{ 0xe01b, KEY_SETUP }, /* SETUP */
-	{ 0xf631, KEY_VIDEO }, /* VIDEO DESKTOP */
-
-	{ 0xcd08, KEY_VOLUMEDOWN },  /* VOL - */
-	{ 0xce09, KEY_VOLUMEUP },    /* VOL + */
-	{ 0xd00b, KEY_CHANNELUP },   /* CHAN + */
-	{ 0xd10c, KEY_CHANNELDOWN }, /* CHAN - */
-	{ 0xc500, KEY_MUTE },        /* MUTE */
-
-	{ 0xf732, KEY_RED }, /* red */
-	{ 0xf833, KEY_GREEN }, /* green */
-	{ 0xf934, KEY_YELLOW }, /* yellow */
-	{ 0xfa35, KEY_BLUE }, /* blue */
-	{ 0xdb16, KEY_TEXT }, /* TXT */
-
-	{ 0xd20d, KEY_1 },
-	{ 0xd30e, KEY_2 },
-	{ 0xd40f, KEY_3 },
-	{ 0xd510, KEY_4 },
-	{ 0xd611, KEY_5 },
-	{ 0xd712, KEY_6 },
-	{ 0xd813, KEY_7 },
-	{ 0xd914, KEY_8 },
-	{ 0xda15, KEY_9 },
-	{ 0xdc17, KEY_0 },
-	{ 0xe11c, KEY_SEARCH }, /* TV/RAD, CH SRC */
-	{ 0xe520, KEY_DELETE }, /* DELETE */
-
-	{ 0xfb36, KEY_KEYBOARD }, /* RENAME */
-	{ 0xdd18, KEY_SCREEN },   /* SNAPSHOT */
-
-	{ 0xdf1a, KEY_UP },    /* up */
-	{ 0xe722, KEY_DOWN },  /* down */
-	{ 0xe21d, KEY_LEFT },  /* left */
-	{ 0xe41f, KEY_RIGHT }, /* right */
-	{ 0xe31e, KEY_OK },    /* OK */
-
-	{ 0xfc37, KEY_SELECT }, /* ACQUIRE IMAGE */
-	{ 0xfd38, KEY_EDIT },   /* EDIT IMAGE */
-
-	{ 0xe924, KEY_REWIND },   /* rewind  (<<) */
-	{ 0xea25, KEY_PLAY },     /* play    ( >) */
-	{ 0xeb26, KEY_FORWARD },  /* forward (>>) */
-	{ 0xec27, KEY_RECORD },   /* record  ( o) */
-	{ 0xed28, KEY_STOP },     /* stop    ([]) */
-	{ 0xee29, KEY_PAUSE },    /* pause   ('') */
-
-	{ 0xe621, KEY_PREVIOUS },        /* prev */
-	{ 0xfe39, KEY_SWITCHVIDEOMODE }, /* F SCR */
-	{ 0xe823, KEY_NEXT },            /* next */
-	{ 0xde19, KEY_MENU },            /* MENU */
-	{ 0xff3a, KEY_LANGUAGE },        /* AUDIO */
-
-	{ 0xc702, KEY_POWER }, /* POWER */
+	{ 0x2c, KEY_TV },    /* TV */
+	{ 0x2d, KEY_VCR },   /* VCR */
+	{ 0x04, KEY_DVD },   /* DVD */
+	{ 0x06, KEY_AUDIO }, /* MUSIC */
+
+	{ 0x2e, KEY_RADIO },     /* RADIO */
+	{ 0x05, KEY_DIRECTORY }, /* PHOTO */
+	{ 0x2f, KEY_INFO },      /* TV-PREVIEW */
+	{ 0x30, KEY_LIST },      /* CHANNEL-LST */
+
+	{ 0x1b, KEY_SETUP }, /* SETUP */
+	{ 0x31, KEY_VIDEO }, /* VIDEO DESKTOP */
+
+	{ 0x08, KEY_VOLUMEDOWN },  /* VOL - */
+	{ 0x09, KEY_VOLUMEUP },    /* VOL + */
+	{ 0x0b, KEY_CHANNELUP },   /* CHAN + */
+	{ 0x0c, KEY_CHANNELDOWN }, /* CHAN - */
+	{ 0x00, KEY_MUTE },        /* MUTE */
+
+	{ 0x32, KEY_RED }, /* red */
+	{ 0x33, KEY_GREEN }, /* green */
+	{ 0x34, KEY_YELLOW }, /* yellow */
+	{ 0x35, KEY_BLUE }, /* blue */
+	{ 0x16, KEY_TEXT }, /* TXT */
+
+	{ 0x0d, KEY_1 },
+	{ 0x0e, KEY_2 },
+	{ 0x0f, KEY_3 },
+	{ 0x10, KEY_4 },
+	{ 0x11, KEY_5 },
+	{ 0x12, KEY_6 },
+	{ 0x13, KEY_7 },
+	{ 0x14, KEY_8 },
+	{ 0x15, KEY_9 },
+	{ 0x17, KEY_0 },
+	{ 0x1c, KEY_SEARCH }, /* TV/RAD, CH SRC */
+	{ 0x20, KEY_DELETE }, /* DELETE */
+
+	{ 0x36, KEY_KEYBOARD }, /* RENAME */
+	{ 0x18, KEY_SCREEN },   /* SNAPSHOT */
+
+	{ 0x1a, KEY_UP },    /* up */
+	{ 0x22, KEY_DOWN },  /* down */
+	{ 0x1d, KEY_LEFT },  /* left */
+	{ 0x1f, KEY_RIGHT }, /* right */
+	{ 0x1e, KEY_OK },    /* OK */
+
+	{ 0x37, KEY_SELECT }, /* ACQUIRE IMAGE */
+	{ 0x38, KEY_EDIT },   /* EDIT IMAGE */
+
+	{ 0x24, KEY_REWIND },   /* rewind  (<<) */
+	{ 0x25, KEY_PLAY },     /* play    ( >) */
+	{ 0x26, KEY_FORWARD },  /* forward (>>) */
+	{ 0x27, KEY_RECORD },   /* record  ( o) */
+	{ 0x28, KEY_STOP },     /* stop    ([]) */
+	{ 0x29, KEY_PAUSE },    /* pause   ('') */
+
+	{ 0x21, KEY_PREVIOUS },        /* prev */
+	{ 0x39, KEY_SWITCHVIDEOMODE }, /* F SCR */
+	{ 0x23, KEY_NEXT },            /* next */
+	{ 0x19, KEY_MENU },            /* MENU */
+	{ 0x3a, KEY_LANGUAGE },        /* AUDIO */
+
+	{ 0x02, KEY_POWER }, /* POWER */
 };
 
 static struct rc_map_list medion_x10_map = {
diff --git a/drivers/media/rc/keymaps/rc-snapstream-firefly.c b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
index ef146520931c..c7f33ec719b4 100644
--- a/drivers/media/rc/keymaps/rc-snapstream-firefly.c
+++ b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
@@ -22,63 +22,63 @@
 #include <media/rc-map.h>
 
 static struct rc_map_table snapstream_firefly[] = {
-	{ 0xf12c, KEY_ZOOM },       /* Maximize */
-	{ 0xc702, KEY_CLOSE },
-
-	{ 0xd20d, KEY_1 },
-	{ 0xd30e, KEY_2 },
-	{ 0xd40f, KEY_3 },
-	{ 0xd510, KEY_4 },
-	{ 0xd611, KEY_5 },
-	{ 0xd712, KEY_6 },
-	{ 0xd813, KEY_7 },
-	{ 0xd914, KEY_8 },
-	{ 0xda15, KEY_9 },
-	{ 0xdc17, KEY_0 },
-	{ 0xdb16, KEY_BACK },
-	{ 0xdd18, KEY_KPENTER },    /* ent */
-
-	{ 0xce09, KEY_VOLUMEUP },
-	{ 0xcd08, KEY_VOLUMEDOWN },
-	{ 0xcf0a, KEY_MUTE },
-	{ 0xd00b, KEY_CHANNELUP },
-	{ 0xd10c, KEY_CHANNELDOWN },
-	{ 0xc500, KEY_VENDOR },     /* firefly */
-
-	{ 0xf32e, KEY_INFO },
-	{ 0xf42f, KEY_OPTION },
-
-	{ 0xe21d, KEY_LEFT },
-	{ 0xe41f, KEY_RIGHT },
-	{ 0xe722, KEY_DOWN },
-	{ 0xdf1a, KEY_UP },
-	{ 0xe31e, KEY_OK },
-
-	{ 0xe11c, KEY_MENU },
-	{ 0xe520, KEY_EXIT },
-
-	{ 0xec27, KEY_RECORD },
-	{ 0xea25, KEY_PLAY },
-	{ 0xed28, KEY_STOP },
-	{ 0xe924, KEY_REWIND },
-	{ 0xeb26, KEY_FORWARD },
-	{ 0xee29, KEY_PAUSE },
-	{ 0xf02b, KEY_PREVIOUS },
-	{ 0xef2a, KEY_NEXT },
-
-	{ 0xcb06, KEY_AUDIO },      /* Music */
-	{ 0xca05, KEY_IMAGES },     /* Photos */
-	{ 0xc904, KEY_DVD },
-	{ 0xc803, KEY_TV },
-	{ 0xcc07, KEY_VIDEO },
-
-	{ 0xc601, KEY_HELP },
-	{ 0xf22d, KEY_MODE },       /* Mouse */
-
-	{ 0xde19, KEY_A },
-	{ 0xe01b, KEY_B },
-	{ 0xe621, KEY_C },
-	{ 0xe823, KEY_D },
+	{ 0x2c, KEY_ZOOM },       /* Maximize */
+	{ 0x02, KEY_CLOSE },
+
+	{ 0x0d, KEY_1 },
+	{ 0x0e, KEY_2 },
+	{ 0x0f, KEY_3 },
+	{ 0x10, KEY_4 },
+	{ 0x11, KEY_5 },
+	{ 0x12, KEY_6 },
+	{ 0x13, KEY_7 },
+	{ 0x14, KEY_8 },
+	{ 0x15, KEY_9 },
+	{ 0x17, KEY_0 },
+	{ 0x16, KEY_BACK },
+	{ 0x18, KEY_KPENTER },    /* ent */
+
+	{ 0x09, KEY_VOLUMEUP },
+	{ 0x08, KEY_VOLUMEDOWN },
+	{ 0x0a, KEY_MUTE },
+	{ 0x0b, KEY_CHANNELUP },
+	{ 0x0c, KEY_CHANNELDOWN },
+	{ 0x00, KEY_VENDOR },     /* firefly */
+
+	{ 0x2e, KEY_INFO },
+	{ 0x2f, KEY_OPTION },
+
+	{ 0x1d, KEY_LEFT },
+	{ 0x1f, KEY_RIGHT },
+	{ 0x22, KEY_DOWN },
+	{ 0x1a, KEY_UP },
+	{ 0x1e, KEY_OK },
+
+	{ 0x1c, KEY_MENU },
+	{ 0x20, KEY_EXIT },
+
+	{ 0x27, KEY_RECORD },
+	{ 0x25, KEY_PLAY },
+	{ 0x28, KEY_STOP },
+	{ 0x24, KEY_REWIND },
+	{ 0x26, KEY_FORWARD },
+	{ 0x29, KEY_PAUSE },
+	{ 0x2b, KEY_PREVIOUS },
+	{ 0x2a, KEY_NEXT },
+
+	{ 0x06, KEY_AUDIO },      /* Music */
+	{ 0x05, KEY_IMAGES },     /* Photos */
+	{ 0x04, KEY_DVD },
+	{ 0x03, KEY_TV },
+	{ 0x07, KEY_VIDEO },
+
+	{ 0x01, KEY_HELP },
+	{ 0x2d, KEY_MODE },       /* Mouse */
+
+	{ 0x19, KEY_A },
+	{ 0x1b, KEY_B },
+	{ 0x21, KEY_C },
+	{ 0x23, KEY_D },
 };
 
 static struct rc_map_list snapstream_firefly_map = {
diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 39fc923fc46b..1c6015a04f96 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -162,11 +162,14 @@ static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
 	switch (tv.model) {
 	case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
 	case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+	case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+	case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
 	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+	case 72261: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
 	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
 		break;
@@ -324,6 +327,10 @@ struct usb_device_id au0828_usb_id_table[] = {
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
 	{ USB_DEVICE(0x2040, 0x8200),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
+	{ USB_DEVICE(0x2040, 0x7260),
+		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
+	{ USB_DEVICE(0x2040, 0x7213),
+		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ },
 };
 
diff --git a/drivers/media/video/m5mols/m5mols.h b/drivers/media/video/m5mols/m5mols.h
index 89d09a8914f8..82c8817bd32d 100644
--- a/drivers/media/video/m5mols/m5mols.h
+++ b/drivers/media/video/m5mols/m5mols.h
@@ -162,7 +162,6 @@ struct m5mols_version {
  * @pad: media pad
  * @ffmt: current fmt according to resolution type
  * @res_type: current resolution type
- * @code: current code
  * @irq_waitq: waitqueue for the capture
  * @work_irq: workqueue for the IRQ
  * @flags: state variable for the interrupt handler
@@ -192,7 +191,6 @@ struct m5mols_info {
 	struct media_pad pad;
 	struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
 	int res_type;
-	enum v4l2_mbus_pixelcode code;
 	wait_queue_head_t irq_waitq;
 	struct work_struct work_irq;
 	unsigned long flags;
diff --git a/drivers/media/video/m5mols/m5mols_core.c b/drivers/media/video/m5mols/m5mols_core.c
index 05ab3700647e..e0f09e531800 100644
--- a/drivers/media/video/m5mols/m5mols_core.c
+++ b/drivers/media/video/m5mols/m5mols_core.c
@@ -334,7 +334,7 @@ int m5mols_mode(struct m5mols_info *info, u8 mode)
 	int ret = -EINVAL;
 	u8 reg;
 
-	if (mode < REG_PARAMETER && mode > REG_CAPTURE)
+	if (mode < REG_PARAMETER || mode > REG_CAPTURE)
 		return ret;
 
 	ret = m5mols_read_u8(sd, SYSTEM_SYSMODE, &reg);
@@ -511,9 +511,6 @@ static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	struct m5mols_info *info = to_m5mols(sd);
 	struct v4l2_mbus_framefmt *format;
 
-	if (fmt->pad != 0)
-		return -EINVAL;
-
 	format = __find_format(info, fh, fmt->which, info->res_type);
 	if (!format)
 		return -EINVAL;
@@ -532,9 +529,6 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	u32 resolution = 0;
 	int ret;
 
-	if (fmt->pad != 0)
-		return -EINVAL;
-
 	ret = __find_resolution(sd, format, &type, &resolution);
 	if (ret < 0)
 		return ret;
@@ -543,13 +537,14 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	if (!sfmt)
 		return 0;
 
-	*sfmt		= m5mols_default_ffmt[type];
-	sfmt->width	= format->width;
-	sfmt->height	= format->height;
+
+	format->code = m5mols_default_ffmt[type].code;
+	format->colorspace = V4L2_COLORSPACE_JPEG;
+	format->field = V4L2_FIELD_NONE;
 
 	if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+		*sfmt = *format;
 		info->resolution = resolution;
-		info->code = format->code;
 		info->res_type = type;
 	}
 
@@ -626,13 +621,14 @@ static int m5mols_start_monitor(struct m5mols_info *info)
 static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
 {
 	struct m5mols_info *info = to_m5mols(sd);
+	u32 code = info->ffmt[info->res_type].code;
 
 	if (enable) {
 		int ret = -EINVAL;
 
-		if (is_code(info->code, M5MOLS_RESTYPE_MONITOR))
+		if (is_code(code, M5MOLS_RESTYPE_MONITOR))
 			ret = m5mols_start_monitor(info);
-		if (is_code(info->code, M5MOLS_RESTYPE_CAPTURE))
+		if (is_code(code, M5MOLS_RESTYPE_CAPTURE))
 			ret = m5mols_start_capture(info);
 
 		return ret;
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index cf2c0fb95f2f..398f96ffd35e 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -955,6 +955,7 @@ static int mt9m111_probe(struct i2c_client *client,
 	mt9m111->rect.height	= MT9M111_MAX_HEIGHT;
 	mt9m111->fmt		= &mt9m111_colour_fmts[0];
 	mt9m111->lastpage	= -1;
+	mutex_init(&mt9m111->power_lock);
 
 	ret = mt9m111_video_probe(client);
 	if (ret) {
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index 32114a3c0ca7..7b34b11daf24 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -1083,8 +1083,10 @@ static int mt9t112_probe(struct i2c_client *client,
 	v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
 
 	ret = mt9t112_camera_probe(client);
-	if (ret)
+	if (ret) {
 		kfree(priv);
+		return ret;
+	}
 
 	/* Cannot fail: using the default supported pixel code */
 	mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8);
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 9c5c19f142de..ee0d0b39cd17 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -38,6 +38,7 @@
 #include <linux/irq.h>
 #include <linux/videodev2.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 
 #include <media/videobuf-dma-contig.h>
 #include <media/v4l2-device.h>
@@ -2169,6 +2170,14 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 	vid_dev->num_displays = 0;
 	for_each_dss_dev(dssdev) {
 		omap_dss_get_device(dssdev);
+
+		if (!dssdev->driver) {
+			dev_warn(&pdev->dev, "no driver for display: %s\n",
+					dssdev->name);
+			omap_dss_put_device(dssdev);
+			continue;
+		}
+
 		vid_dev->displays[vid_dev->num_displays++] = dssdev;
 	}
 
diff --git a/drivers/media/video/omap1_camera.c b/drivers/media/video/omap1_camera.c
index e87ae2f634b2..6a6cf388bae4 100644
--- a/drivers/media/video/omap1_camera.c
+++ b/drivers/media/video/omap1_camera.c
@@ -24,6 +24,7 @@
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
diff --git a/drivers/media/video/omap24xxcam-dma.c b/drivers/media/video/omap24xxcam-dma.c
index 1d54b86c936b..3ea38a8def8e 100644
--- a/drivers/media/video/omap24xxcam-dma.c
+++ b/drivers/media/video/omap24xxcam-dma.c
@@ -506,7 +506,7 @@ int omap24xxcam_sgdma_queue(struct omap24xxcam_sgdma *sgdma,
 	unsigned long flags;
 	struct sgdma_state *sg_state;
 
-	if ((sglen < 0) || ((sglen > 0) & !sglist))
+	if ((sglen < 0) || ((sglen > 0) && !sglist))
 		return -EINVAL;
 
 	spin_lock_irqsave(&sgdma->lock, flags);
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index b0b0fa5a3572..54a4a3f22e2e 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -1408,7 +1408,7 @@ static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc)
 {
 	struct isp_pipeline *pipe =
 		to_isp_pipeline(&ccdc->video_out.video.entity);
-	struct video_device *vdev = &ccdc->subdev.devnode;
+	struct video_device *vdev = ccdc->subdev.devnode;
 	struct v4l2_event event;
 
 	memset(&event, 0, sizeof(event));
diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c
index 68d539456c55..bc0b2c7349b9 100644
--- a/drivers/media/video/omap3isp/ispstat.c
+++ b/drivers/media/video/omap3isp/ispstat.c
@@ -496,7 +496,7 @@ static int isp_stat_bufs_alloc(struct ispstat *stat, u32 size)
 
 static void isp_stat_queue_event(struct ispstat *stat, int err)
 {
-	struct video_device *vdev = &stat->subdev.devnode;
+	struct video_device *vdev = stat->subdev.devnode;
 	struct v4l2_event event;
 	struct omap3isp_stat_event_status *status = (void *)event.u.data;
 
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index d1000723c5ae..f2290578448c 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -26,6 +26,7 @@
 #include <asm/cacheflush.h>
 #include <linux/clk.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/scatterlist.h>
 #include <linux/sched.h>
diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c
index 9f2d26b1d4cb..6806345ec2f0 100644
--- a/drivers/media/video/ov6650.c
+++ b/drivers/media/video/ov6650.c
@@ -540,7 +540,7 @@ static u8 to_clkrc(struct v4l2_fract *timeperframe,
 static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
 	struct soc_camera_sense *sense = icd->sense;
 	struct ov6650 *priv = to_ov6650(client);
 	bool half_scale = !is_unscaled_ok(mf->width, mf->height, &priv->rect);
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index c8d91b0cd9bd..2cc3b9166724 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -98,6 +98,10 @@ static int fimc_capture_state_cleanup(struct fimc_dev *fimc, bool suspend)
 			vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
 	}
 	set_bit(ST_CAPT_SUSPENDED, &fimc->state);
+
+	fimc_hw_reset(fimc);
+	cap->buf_index = 0;
+
 	spin_unlock_irqrestore(&fimc->slock, flags);
 
 	if (streaming)
@@ -137,7 +141,7 @@ int fimc_capture_config_update(struct fimc_ctx *ctx)
 	struct fimc_dev *fimc = ctx->fimc_dev;
 	int ret;
 
-	if (test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
+	if (!test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
 		return 0;
 
 	spin_lock(&ctx->slock);
@@ -150,7 +154,7 @@ int fimc_capture_config_update(struct fimc_ctx *ctx)
 		fimc_hw_set_rotation(ctx);
 		fimc_prepare_dma_offset(ctx, &ctx->d_frame);
 		fimc_hw_set_out_dma(ctx);
-		set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
+		clear_bit(ST_CAPT_APPLY_CFG, &fimc->state);
 	}
 	spin_unlock(&ctx->slock);
 	return ret;
@@ -164,7 +168,6 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
 	int min_bufs;
 	int ret;
 
-	fimc_hw_reset(fimc);
 	vid_cap->frame_count = 0;
 
 	ret = fimc_init_capture(fimc);
@@ -523,7 +526,7 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
 	max_w = rotation ? pl->out_rot_en_w : pl->out_rot_dis_w;
 	min_w = ctx->state & FIMC_DST_CROP ? dst->width : var->min_out_pixsize;
 	min_h = ctx->state & FIMC_DST_CROP ? dst->height : var->min_out_pixsize;
-	if (fimc->id == 1 && var->pix_hoff)
+	if (var->min_vsize_align == 1 && !rotation)
 		align_h = fimc_fmt_is_rgb(ffmt->color) ? 0 : 1;
 
 	depth = fimc_get_format_depth(ffmt);
@@ -1239,6 +1242,7 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd,
 
 	mutex_lock(&fimc->lock);
 	set_frame_bounds(ff, mf->width, mf->height);
+	fimc->vid_cap.mf = *mf;
 	ff->fmt = ffmt;
 
 	/* Reset the crop rectangle if required. */
@@ -1375,7 +1379,7 @@ static void fimc_destroy_capture_subdev(struct fimc_dev *fimc)
 	media_entity_cleanup(&sd->entity);
 	v4l2_device_unregister_subdev(sd);
 	kfree(sd);
-	sd = NULL;
+	fimc->vid_cap.subdev = NULL;
 }
 
 /* Set default format at the sensor and host interface */
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 19ca6db38b2f..07c6254faee3 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -37,7 +37,7 @@ static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
 static struct fimc_fmt fimc_formats[] = {
 	{
 		.name		= "RGB565",
-		.fourcc		= V4L2_PIX_FMT_RGB565X,
+		.fourcc		= V4L2_PIX_FMT_RGB565,
 		.depth		= { 16 },
 		.color		= S5P_FIMC_RGB565,
 		.memplanes	= 1,
@@ -1038,12 +1038,11 @@ static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f)
 		mod_x = 6; /* 64 x 32 pixels tile */
 		mod_y = 5;
 	} else {
-		if (fimc->id == 1 && variant->pix_hoff)
+		if (variant->min_vsize_align == 1)
 			mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
 		else
-			mod_y = mod_x;
+			mod_y = ffs(variant->min_vsize_align) - 1;
 	}
-	dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_w);
 
 	v4l_bound_align_image(&pix->width, 16, max_w, mod_x,
 		&pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
@@ -1226,10 +1225,10 @@ static int fimc_m2m_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
 		fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;
 
 	/* Get pixel alignment constraints. */
-	if (fimc->id == 1 && fimc->variant->pix_hoff)
+	if (fimc->variant->min_vsize_align == 1)
 		halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;
 	else
-		halign = ffs(min_size) - 1;
+		halign = ffs(fimc->variant->min_vsize_align) - 1;
 
 	for (i = 0; i < f->fmt->colplanes; i++)
 		depth += f->fmt->depth[i];
@@ -1615,7 +1614,6 @@ static int fimc_probe(struct platform_device *pdev)
 	pdata = pdev->dev.platform_data;
 	fimc->pdata = pdata;
 
-	set_bit(ST_LPM, &fimc->state);
 
 	init_waitqueue_head(&fimc->irq_queue);
 	spin_lock_init(&fimc->slock);
@@ -1707,8 +1705,6 @@ static int fimc_runtime_resume(struct device *dev)
 	/* Enable clocks and perform basic initalization */
 	clk_enable(fimc->clock[CLK_GATE]);
 	fimc_hw_reset(fimc);
-	if (fimc->variant->out_buf_count > 4)
-		fimc_hw_set_dma_seq(fimc, 0xF);
 
 	/* Resume the capture or mem-to-mem device */
 	if (fimc_capture_busy(fimc))
@@ -1750,8 +1746,6 @@ static int fimc_resume(struct device *dev)
 		return 0;
 	}
 	fimc_hw_reset(fimc);
-	if (fimc->variant->out_buf_count > 4)
-		fimc_hw_set_dma_seq(fimc, 0xF);
 	spin_unlock_irqrestore(&fimc->slock, flags);
 
 	if (fimc_capture_busy(fimc))
@@ -1780,7 +1774,6 @@ static int __devexit fimc_remove(struct platform_device *pdev)
 	struct fimc_dev *fimc = platform_get_drvdata(pdev);
 
 	pm_runtime_disable(&pdev->dev);
-	fimc_runtime_suspend(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 
 	vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
@@ -1840,6 +1833,7 @@ static struct samsung_fimc_variant fimc0_variant_s5p = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[0],
 };
@@ -1849,6 +1843,7 @@ static struct samsung_fimc_variant fimc2_variant_s5p = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit = &s5p_pix_limit[1],
 };
@@ -1861,6 +1856,7 @@ static struct samsung_fimc_variant fimc0_variant_s5pv210 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[1],
 };
@@ -1874,6 +1870,7 @@ static struct samsung_fimc_variant fimc1_variant_s5pv210 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 1,
+	.min_vsize_align = 1,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[2],
 };
@@ -1884,6 +1881,7 @@ static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[2],
 };
@@ -1898,6 +1896,7 @@ static struct samsung_fimc_variant fimc0_variant_exynos4 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 2,
+	.min_vsize_align = 1,
 	.out_buf_count	 = 32,
 	.pix_limit	 = &s5p_pix_limit[1],
 };
@@ -1910,6 +1909,7 @@ static struct samsung_fimc_variant fimc3_variant_exynos4 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 2,
+	.min_vsize_align = 1,
 	.out_buf_count	 = 32,
 	.pix_limit	 = &s5p_pix_limit[3],
 };
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index a6936dad5b10..c7f01c47b20f 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -377,6 +377,7 @@ struct fimc_pix_limit {
  * @min_inp_pixsize: minimum input pixel size
  * @min_out_pixsize: minimum output pixel size
  * @hor_offs_align: horizontal pixel offset aligment
+ * @min_vsize_align: minimum vertical pixel size alignment
  * @out_buf_count: the number of buffers in output DMA sequence
  */
 struct samsung_fimc_variant {
@@ -390,6 +391,7 @@ struct samsung_fimc_variant {
 	u16		min_inp_pixsize;
 	u16		min_out_pixsize;
 	u16		hor_offs_align;
+	u16		min_vsize_align;
 	u16		out_buf_count;
 };
 
diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c
index cc337b1de913..615c862f0360 100644
--- a/drivers/media/video/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c
@@ -220,6 +220,7 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd,
 	sd = v4l2_i2c_new_subdev_board(&fmd->v4l2_dev, adapter,
 				       s_info->pdata->board_info, NULL);
 	if (IS_ERR_OR_NULL(sd)) {
+		i2c_put_adapter(adapter);
 		v4l2_err(&fmd->v4l2_dev, "Failed to acquire subdev\n");
 		return NULL;
 	}
@@ -234,12 +235,15 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd,
 static void fimc_md_unregister_sensor(struct v4l2_subdev *sd)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct i2c_adapter *adapter;
 
 	if (!client)
 		return;
 	v4l2_device_unregister_subdev(sd);
+	adapter = client->adapter;
 	i2c_unregister_device(client);
-	i2c_put_adapter(client->adapter);
+	if (adapter)
+		i2c_put_adapter(adapter);
 }
 
 static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
@@ -381,20 +385,28 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd)
 
 static int fimc_md_register_video_nodes(struct fimc_md *fmd)
 {
+	struct video_device *vdev;
 	int i, ret = 0;
 
 	for (i = 0; i < FIMC_MAX_DEVS && !ret; i++) {
 		if (!fmd->fimc[i])
 			continue;
 
-		if (fmd->fimc[i]->m2m.vfd)
-			ret = video_register_device(fmd->fimc[i]->m2m.vfd,
-						    VFL_TYPE_GRABBER, -1);
-		if (ret)
-			break;
-		if (fmd->fimc[i]->vid_cap.vfd)
-			ret = video_register_device(fmd->fimc[i]->vid_cap.vfd,
-						    VFL_TYPE_GRABBER, -1);
+		vdev = fmd->fimc[i]->m2m.vfd;
+		if (vdev) {
+			ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+			if (ret)
+				break;
+			v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+				  vdev->name, video_device_node_name(vdev));
+		}
+
+		vdev = fmd->fimc[i]->vid_cap.vfd;
+		if (vdev == NULL)
+			continue;
+		ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+		v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+			  vdev->name, video_device_node_name(vdev));
 	}
 
 	return ret;
@@ -502,7 +514,7 @@ static int fimc_md_create_links(struct fimc_md *fmd)
 			if (WARN(csis == NULL,
 				 "MIPI-CSI interface specified "
 				 "but s5p-csis module is not loaded!\n"))
-				continue;
+				return -EINVAL;
 
 			ret = media_entity_create_link(&sensor->entity, 0,
 					      &csis->entity, CSIS_PAD_SINK,
@@ -742,9 +754,6 @@ static int __devinit fimc_md_probe(struct platform_device *pdev)
 	struct fimc_md *fmd;
 	int ret;
 
-	if (WARN(!pdev->dev.platform_data, "Platform data not specified!\n"))
-		return -EINVAL;
-
 	fmd = kzalloc(sizeof(struct fimc_md), GFP_KERNEL);
 	if (!fmd)
 		return -ENOMEM;
@@ -782,9 +791,11 @@ static int __devinit fimc_md_probe(struct platform_device *pdev)
 	if (ret)
 		goto err3;
 
-	ret = fimc_md_register_sensor_entities(fmd);
-	if (ret)
-		goto err3;
+	if (pdev->dev.platform_data) {
+		ret = fimc_md_register_sensor_entities(fmd);
+		if (ret)
+			goto err3;
+	}
 	ret = fimc_md_create_links(fmd);
 	if (ret)
 		goto err3;
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 20e664e34163..44f5c2d1920b 100644
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ b/drivers/media/video/s5p-fimc/fimc-reg.c
@@ -35,6 +35,9 @@ void fimc_hw_reset(struct fimc_dev *dev)
 	cfg = readl(dev->regs + S5P_CIGCTRL);
 	cfg &= ~S5P_CIGCTRL_SWRST;
 	writel(cfg, dev->regs + S5P_CIGCTRL);
+
+	if (dev->variant->out_buf_count > 4)
+		fimc_hw_set_dma_seq(dev, 0xF);
 }
 
 static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx)
@@ -251,7 +254,14 @@ static void fimc_hw_set_scaler(struct fimc_ctx *ctx)
 	struct fimc_scaler *sc = &ctx->scaler;
 	struct fimc_frame *src_frame = &ctx->s_frame;
 	struct fimc_frame *dst_frame = &ctx->d_frame;
-	u32 cfg = 0;
+
+	u32 cfg = readl(dev->regs + S5P_CISCCTRL);
+
+	cfg &= ~(S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE |
+		 S5P_CISCCTRL_SCALEUP_H | S5P_CISCCTRL_SCALEUP_V |
+		 S5P_CISCCTRL_SCALERBYPASS | S5P_CISCCTRL_ONE2ONE |
+		 S5P_CISCCTRL_INRGB_FMT_MASK | S5P_CISCCTRL_OUTRGB_FMT_MASK |
+		 S5P_CISCCTRL_INTERLACE | S5P_CISCCTRL_RGB_EXT);
 
 	if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
 		cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE);
@@ -308,9 +318,9 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
 	fimc_hw_set_scaler(ctx);
 
 	cfg = readl(dev->regs + S5P_CISCCTRL);
+	cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
 
 	if (variant->has_mainscaler_ext) {
-		cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
 		cfg |= S5P_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
 		cfg |= S5P_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
 		writel(cfg, dev->regs + S5P_CISCCTRL);
@@ -323,7 +333,6 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
 		cfg |= S5P_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
 		writel(cfg, dev->regs + S5P_CIEXTEN);
 	} else {
-		cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
 		cfg |= S5P_CISCCTRL_MHRATIO(sc->main_hratio);
 		cfg |= S5P_CISCCTRL_MVRATIO(sc->main_vratio);
 		writel(cfg, dev->regs + S5P_CISCCTRL);
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index 1e8cdb77d4b8..dff9dc798795 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -61,7 +61,7 @@ static struct s5p_mfc_fmt formats[] = {
 		.num_planes = 1,
 	},
 	{
-		.name = "H264 Encoded Stream",
+		.name = "H263 Encoded Stream",
 		.fourcc = V4L2_PIX_FMT_H263,
 		.codec_mode = S5P_FIMV_CODEC_H263_ENC,
 		.type = MFC_FMT_ENC,
diff --git a/drivers/media/video/s5p-tv/mixer_video.c b/drivers/media/video/s5p-tv/mixer_video.c
index e16d3a4bc1dc..b47d0c06ecf5 100644
--- a/drivers/media/video/s5p-tv/mixer_video.c
+++ b/drivers/media/video/s5p-tv/mixer_video.c
@@ -16,6 +16,7 @@
 #include <media/v4l2-ioctl.h>
 #include <linux/videodev2.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/version.h>
 #include <linux/timer.h>
 #include <media/videobuf2-dma-contig.h>
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index f390682629cf..c51decfcae19 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -566,8 +566,10 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
 	ret = sh_mobile_ceu_soft_reset(pcdev);
 
 	csi2_sd = find_csi2(pcdev);
-	if (csi2_sd)
-		csi2_sd->grp_id = (long)icd;
+	if (csi2_sd) {
+		csi2_sd->grp_id = soc_camera_grp_id(icd);
+		v4l2_set_subdev_hostdata(csi2_sd, icd);
+	}
 
 	ret = v4l2_subdev_call(csi2_sd, core, s_power, 1);
 	if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) {
@@ -768,7 +770,7 @@ static struct v4l2_subdev *find_bus_subdev(struct sh_mobile_ceu_dev *pcdev,
 {
 	if (pcdev->csi2_pdev) {
 		struct v4l2_subdev *csi2_sd = find_csi2(pcdev);
-		if (csi2_sd && csi2_sd->grp_id == (u32)icd)
+		if (csi2_sd && csi2_sd->grp_id == soc_camera_grp_id(icd))
 			return csi2_sd;
 	}
 
@@ -1089,8 +1091,9 @@ static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, unsigned int
 			/* Try 2560x1920, 1280x960, 640x480, 320x240 */
 			mf.width	= 2560 >> shift;
 			mf.height	= 1920 >> shift;
-			ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
-							 s_mbus_fmt, &mf);
+			ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					s_mbus_fmt, &mf);
 			if (ret < 0)
 				return ret;
 			shift++;
@@ -1389,7 +1392,8 @@ static int client_s_fmt(struct soc_camera_device *icd,
 	bool ceu_1to1;
 	int ret;
 
-	ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+	ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					 soc_camera_grp_id(icd), video,
 					 s_mbus_fmt, mf);
 	if (ret < 0)
 		return ret;
@@ -1426,8 +1430,9 @@ static int client_s_fmt(struct soc_camera_device *icd,
 		tmp_h = min(2 * tmp_h, max_height);
 		mf->width = tmp_w;
 		mf->height = tmp_h;
-		ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
-						 s_mbus_fmt, mf);
+		ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					s_mbus_fmt, mf);
 		dev_geo(dev, "Camera scaled to %ux%u\n",
 			mf->width, mf->height);
 		if (ret < 0) {
@@ -1580,8 +1585,9 @@ static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
 	}
 
 	if (interm_width < icd->user_width || interm_height < icd->user_height) {
-		ret = v4l2_device_call_until_err(sd->v4l2_dev, (int)icd, video,
-						 s_mbus_fmt, &mf);
+		ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					s_mbus_fmt, &mf);
 		if (ret < 0)
 			return ret;
 
@@ -1867,7 +1873,8 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
 	mf.code		= xlate->code;
 	mf.colorspace	= pix->colorspace;
 
-	ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video, try_mbus_fmt, &mf);
+	ret = v4l2_device_call_until_err(sd->v4l2_dev, soc_camera_grp_id(icd),
+					 video, try_mbus_fmt, &mf);
 	if (ret < 0)
 		return ret;
 
@@ -1891,8 +1898,9 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
 			 */
 			mf.width = 2560;
 			mf.height = 1920;
-			ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
-							 try_mbus_fmt, &mf);
+			ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					try_mbus_fmt, &mf);
 			if (ret < 0) {
 				/* Shouldn't actually happen... */
 				dev_err(icd->parent,
diff --git a/drivers/media/video/sh_mobile_csi2.c b/drivers/media/video/sh_mobile_csi2.c
index ea4f0473ed3b..8a652b53ff7e 100644
--- a/drivers/media/video/sh_mobile_csi2.c
+++ b/drivers/media/video/sh_mobile_csi2.c
@@ -143,7 +143,7 @@ static int sh_csi2_s_mbus_config(struct v4l2_subdev *sd,
 				 const struct v4l2_mbus_config *cfg)
 {
 	struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-	struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
 	struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
 	struct v4l2_mbus_config client_cfg = {.type = V4L2_MBUS_CSI2,
 					      .flags = priv->mipi_flags};
@@ -202,7 +202,7 @@ static void sh_csi2_hwinit(struct sh_csi2 *priv)
 static int sh_csi2_client_connect(struct sh_csi2 *priv)
 {
 	struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
-	struct soc_camera_device *icd = (struct soc_camera_device *)priv->subdev.grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(&priv->subdev);
 	struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
 	struct device *dev = v4l2_get_subdevdata(&priv->subdev);
 	struct v4l2_mbus_config cfg;
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index b72580c38957..62e4312515cb 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -1103,7 +1103,8 @@ static int soc_camera_probe(struct soc_camera_device *icd)
 	}
 
 	sd = soc_camera_to_subdev(icd);
-	sd->grp_id = (long)icd;
+	sd->grp_id = soc_camera_grp_id(icd);
+	v4l2_set_subdev_hostdata(sd, icd);
 
 	if (v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler))
 		goto ectrl;
diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c
index 43c0ebb81956..b7b2d3483fd4 100644
--- a/drivers/mfd/ab5500-debugfs.c
+++ b/drivers/mfd/ab5500-debugfs.c
@@ -4,7 +4,7 @@
  * Debugfs support for the AB5500 MFD driver
  */
 
-#include <linux/export.h>
+#include <linux/module.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/mfd/ab5500/ab5500.h>
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 1e9173804ede..d3d572b2317b 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -620,6 +620,7 @@ static struct resource __devinitdata ab8500_fg_resources[] = {
 
 static struct resource __devinitdata ab8500_chargalg_resources[] = {};
 
+#ifdef CONFIG_DEBUG_FS
 static struct resource __devinitdata ab8500_debug_resources[] = {
 	{
 		.name	= "IRQ_FIRST",
@@ -634,6 +635,7 @@ static struct resource __devinitdata ab8500_debug_resources[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 };
+#endif
 
 static struct resource __devinitdata ab8500_usb_resources[] = {
 	{
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index f1d88483112c..8d816cce8322 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -109,7 +109,7 @@ int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask)
 
 	ret = __adp5520_read(chip->client, reg, &reg_val);
 
-	if (!ret && ((reg_val & bit_mask) == 0)) {
+	if (!ret && ((reg_val & bit_mask) != bit_mask)) {
 		reg_val |= bit_mask;
 		ret = __adp5520_write(chip->client, reg, reg_val);
 	}
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 1b79c37fd599..1924b857a0fb 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -182,7 +182,7 @@ int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
 	if (ret)
 		goto out;
 
-	if ((reg_val & bit_mask) == 0) {
+	if ((reg_val & bit_mask) != bit_mask) {
 		reg_val |= bit_mask;
 		ret = __da903x_write(chip->client, reg, reg_val);
 	}
@@ -549,6 +549,7 @@ static int __devexit da903x_remove(struct i2c_client *client)
 	struct da903x_chip *chip = i2c_get_clientdata(client);
 
 	da903x_remove_subdevs(chip);
+	free_irq(client->irq, chip);
 	kfree(chip);
 	return 0;
 }
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 1e9ee533eacb..ef39528088f2 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -16,6 +16,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index bba26d96c240..a5ddf31b60ca 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -197,7 +197,7 @@ int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
 	if (ret)
 		goto out;
 
-	if ((reg_val & bit_mask) == 0) {
+	if ((reg_val & bit_mask) != bit_mask) {
 		reg_val |= bit_mask;
 		ret = __tps6586x_write(to_i2c_client(dev), reg, reg_val);
 	}
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 6f5b8cf2f652..c1da84bc1573 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -120,7 +120,7 @@ int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask)
 		goto out;
 	}
 
-	data &= mask;
+	data &= ~mask;
 	err = tps65910_i2c_write(tps65910, reg, 1, &data);
 	if (err)
 		dev_err(tps65910->dev, "write to reg %x failed\n", reg);
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index bfbd66021afd..61e70cfaa774 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -363,13 +363,13 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
 		pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
 		return -EPERM;
 	}
-	sid = twl_map[mod_no].sid;
-	twl = &twl_modules[sid];
-
 	if (unlikely(!inuse)) {
-		pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+		pr_err("%s: not initialized\n", DRIVER_NAME);
 		return -EPERM;
 	}
+	sid = twl_map[mod_no].sid;
+	twl = &twl_modules[sid];
+
 	mutex_lock(&twl->xfer_lock);
 	/*
 	 * [MSG1]: fill the register address data
@@ -420,13 +420,13 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
 		pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
 		return -EPERM;
 	}
-	sid = twl_map[mod_no].sid;
-	twl = &twl_modules[sid];
-
 	if (unlikely(!inuse)) {
-		pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+		pr_err("%s: not initialized\n", DRIVER_NAME);
 		return -EPERM;
 	}
+	sid = twl_map[mod_no].sid;
+	twl = &twl_modules[sid];
+
 	mutex_lock(&twl->xfer_lock);
 	/* [MSG1] fill the register address data */
 	msg = &twl->xfer_msg[0];
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index f062c8cc6c38..29f11e0765fe 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -432,6 +432,7 @@ struct sih_agent {
 	u32			edge_change;
 
 	struct mutex		irq_lock;
+	char			*irq_name;
 };
 
 /*----------------------------------------------------------------------*/
@@ -589,7 +590,7 @@ static inline int sih_read_isr(const struct sih *sih)
  * Generic handler for SIH interrupts ... we "know" this is called
  * in task context, with IRQs enabled.
  */
-static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
+static irqreturn_t handle_twl4030_sih(int irq, void *data)
 {
 	struct sih_agent *agent = irq_get_handler_data(irq);
 	const struct sih *sih = agent->sih;
@@ -602,7 +603,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
 		pr_err("twl4030: %s SIH, read ISR error %d\n",
 			sih->name, isr);
 		/* REVISIT:  recover; eventually mask it all, etc */
-		return;
+		return IRQ_HANDLED;
 	}
 
 	while (isr) {
@@ -616,6 +617,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
 			pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
 				sih->name, irq);
 	}
+	return IRQ_HANDLED;
 }
 
 static unsigned twl4030_irq_next;
@@ -668,18 +670,19 @@ int twl4030_sih_setup(int module)
 		activate_irq(irq);
 	}
 
-	status = irq_base;
 	twl4030_irq_next += i;
 
 	/* replace generic PIH handler (handle_simple_irq) */
 	irq = sih_mod + twl4030_irq_base;
 	irq_set_handler_data(irq, agent);
-	irq_set_chained_handler(irq, handle_twl4030_sih);
+	agent->irq_name = kasprintf(GFP_KERNEL, "twl4030_%s", sih->name);
+	status = request_threaded_irq(irq, NULL, handle_twl4030_sih, 0,
+				      agent->irq_name ?: sih->name, NULL);
 
 	pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
 			irq, irq_base, twl4030_irq_next - 1);
 
-	return status;
+	return status < 0 ? status : irq_base;
 }
 
 /* FIXME need a call to reverse twl4030_sih_setup() ... */
@@ -733,8 +736,9 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
 	}
 
 	/* install an irq handler to demultiplex the TWL4030 interrupt */
-	status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih, 0,
-					"TWL4030-PIH", NULL);
+	status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih,
+				      IRQF_ONESHOT,
+				      "TWL4030-PIH", NULL);
 	if (status < 0) {
 		pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
 		goto fail_rqirq;
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 5d6ba132837e..61894fced8ea 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -239,6 +239,7 @@ static int wm8994_suspend(struct device *dev)
 
 	switch (wm8994->type) {
 	case WM8958:
+	case WM1811:
 		ret = wm8994_reg_read(wm8994, WM8958_MIC_DETECT_1);
 		if (ret < 0) {
 			dev_err(dev, "Failed to read power status: %d\n", ret);
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index a1cb21f95302..1e0e27cbe987 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1606,6 +1606,14 @@ static const struct mmc_fixup blk_fixups[] =
 		  MMC_QUIRK_BLK_NO_CMD23),
 	MMC_FIXUP("MMC32G", 0x11, CID_OEMID_ANY, add_quirk_mmc,
 		  MMC_QUIRK_BLK_NO_CMD23),
+
+	/*
+	 * Some Micron MMC cards needs longer data read timeout than
+	 * indicated in CSD.
+	 */
+	MMC_FIXUP(CID_NAME_ANY, 0x13, 0x200, add_quirk_mmc,
+		  MMC_QUIRK_LONG_READ_TIME),
+
 	END_FIXUP
 };
 
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5278ffb20e74..950b97d7412a 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -529,6 +529,18 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
 			data->timeout_clks = 0;
 		}
 	}
+
+	/*
+	 * Some cards require longer data read timeout than indicated in CSD.
+	 * Address this by setting the read timeout to a "reasonably high"
+	 * value. For the cards tested, 300ms has proven enough. If necessary,
+	 * this value can be increased if other problematic cards require this.
+	 */
+	if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
+		data->timeout_ns = 300000000;
+		data->timeout_clks = 0;
+	}
+
 	/*
 	 * Some cards need very high timeouts if driven in SPI mode.
 	 * The worst observed timeout was 900ms after writing a
@@ -1213,6 +1225,46 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type)
 	mmc_host_clk_release(host);
 }
 
+static void mmc_poweroff_notify(struct mmc_host *host)
+{
+	struct mmc_card *card;
+	unsigned int timeout;
+	unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION;
+	int err = 0;
+
+	card = host->card;
+
+	/*
+	 * Send power notify command only if card
+	 * is mmc and notify state is powered ON
+	 */
+	if (card && mmc_card_mmc(card) &&
+	    (card->poweroff_notify_state == MMC_POWERED_ON)) {
+
+		if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
+			notify_type = EXT_CSD_POWER_OFF_SHORT;
+			timeout = card->ext_csd.generic_cmd6_time;
+			card->poweroff_notify_state = MMC_POWEROFF_SHORT;
+		} else {
+			notify_type = EXT_CSD_POWER_OFF_LONG;
+			timeout = card->ext_csd.power_off_longtime;
+			card->poweroff_notify_state = MMC_POWEROFF_LONG;
+		}
+
+		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+				 EXT_CSD_POWER_OFF_NOTIFICATION,
+				 notify_type, timeout);
+
+		if (err && err != -EBADMSG)
+			pr_err("Device failed to respond within %d poweroff "
+			       "time. Forcefully powering down the device\n",
+			       timeout);
+
+		/* Set the card state to no notification after the poweroff */
+		card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
+	}
+}
+
 /*
  * Apply power to the MMC stack.  This is a two-stage process.
  * First, we enable power to the card without the clock running.
@@ -1269,42 +1321,12 @@ static void mmc_power_up(struct mmc_host *host)
 
 void mmc_power_off(struct mmc_host *host)
 {
-	struct mmc_card *card;
-	unsigned int notify_type;
-	unsigned int timeout;
-	int err;
-
 	mmc_host_clk_hold(host);
 
-	card = host->card;
 	host->ios.clock = 0;
 	host->ios.vdd = 0;
 
-	if (card && mmc_card_mmc(card) &&
-	    (card->poweroff_notify_state == MMC_POWERED_ON)) {
-
-		if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
-			notify_type = EXT_CSD_POWER_OFF_SHORT;
-			timeout = card->ext_csd.generic_cmd6_time;
-			card->poweroff_notify_state = MMC_POWEROFF_SHORT;
-		} else {
-			notify_type = EXT_CSD_POWER_OFF_LONG;
-			timeout = card->ext_csd.power_off_longtime;
-			card->poweroff_notify_state = MMC_POWEROFF_LONG;
-		}
-
-		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-				 EXT_CSD_POWER_OFF_NOTIFICATION,
-				 notify_type, timeout);
-
-		if (err && err != -EBADMSG)
-			pr_err("Device failed to respond within %d poweroff "
-			       "time. Forcefully powering down the device\n",
-			       timeout);
-
-		/* Set the card state to no notification after the poweroff */
-		card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
-	}
+	mmc_poweroff_notify(host);
 
 	/*
 	 * Reset ocr mask to be the highest possible voltage supported for
@@ -2196,7 +2218,7 @@ int mmc_card_sleep(struct mmc_host *host)
 
 	mmc_bus_get(host);
 
-	if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+	if (host->bus_ops && !host->bus_dead && host->bus_ops->sleep)
 		err = host->bus_ops->sleep(host);
 
 	mmc_bus_put(host);
@@ -2302,8 +2324,17 @@ int mmc_suspend_host(struct mmc_host *host)
 		 * pre-claim the host.
 		 */
 		if (mmc_try_claim_host(host)) {
-			if (host->bus_ops->suspend)
+			if (host->bus_ops->suspend) {
+				/*
+				 * For eMMC 4.5 device send notify command
+				 * before sleep, because in sleep state eMMC 4.5
+				 * devices respond to only RESET and AWAKE cmd
+				 */
+				mmc_poweroff_notify(host);
 				err = host->bus_ops->suspend(host);
+			}
+			mmc_do_release_host(host);
+
 			if (err == -ENOSYS || !host->bus_ops->resume) {
 				/*
 				 * We simply "remove" the card in this case.
@@ -2318,7 +2349,6 @@ int mmc_suspend_host(struct mmc_host *host)
 				host->pm_flags = 0;
 				err = 0;
 			}
-			mmc_do_release_host(host);
 		} else {
 			err = -EBUSY;
 		}
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index e8a5eb38748b..d31c78b72b0f 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -302,17 +302,6 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
 	host->max_blk_size = 512;
 	host->max_blk_count = PAGE_CACHE_SIZE / 512;
 
-	/*
-	 * Enable runtime power management by default. This flag was added due
-	 * to runtime power management causing disruption for some users, but
-	 * the power on/off code has been improved since then.
-	 *
-	 * We'll enable this flag by default as an experiment, and if no
-	 * problems are reported, we will follow up later and remove the flag
-	 * altogether.
-	 */
-	host->caps = MMC_CAP_POWER_OFF_CARD;
-
 	return host;
 
 free:
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dbf421a6279c..d240427c1246 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -876,17 +876,21 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 	 * set the notification byte in the ext_csd register of device
 	 */
 	if ((host->caps2 & MMC_CAP2_POWEROFF_NOTIFY) &&
-	    (card->poweroff_notify_state == MMC_NO_POWER_NOTIFICATION)) {
+	    (card->ext_csd.rev >= 6)) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 				 EXT_CSD_POWER_OFF_NOTIFICATION,
 				 EXT_CSD_POWER_ON,
 				 card->ext_csd.generic_cmd6_time);
 		if (err && err != -EBADMSG)
 			goto free_card;
-	}
 
-	if (!err)
-		card->poweroff_notify_state = MMC_POWERED_ON;
+		/*
+		 * The err can be -EBADMSG or 0,
+		 * so check for success and update the flag
+		 */
+		if (!err)
+			card->poweroff_notify_state = MMC_POWERED_ON;
+	}
 
 	/*
 	 * Activate high speed (if supported)
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 325ea61e12d3..8e0fbe994047 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -732,6 +732,7 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 				"failed to config DMA channel. Falling back to PIO\n");
 			dma_release_channel(host->dma);
 			host->do_dma = 0;
+			host->dma = NULL;
 		}
 	}
 
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 101cd31c8220..d5fe43d53c51 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1010,6 +1010,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
 			host->data->sg_len,
 			omap_hsmmc_get_dma_dir(host, host->data));
 		omap_free_dma(dma_ch);
+		host->data->host_cookie = 0;
 	}
 	host->data = NULL;
 }
@@ -1575,8 +1576,10 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
 	struct mmc_data *data = mrq->data;
 
 	if (host->use_dma) {
-		dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
-			     omap_hsmmc_get_dma_dir(host, data));
+		if (data->host_cookie)
+			dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+				     data->sg_len,
+				     omap_hsmmc_get_dma_dir(host, data));
 		data->host_cookie = 0;
 	}
 }
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 4b920b7621cf..b4257e700617 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -15,6 +15,7 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/mmc/host.h>
+#include <linux/module.h>
 #include <mach/cns3xxx.h>
 #include "sdhci-pltfm.h"
 
@@ -108,13 +109,10 @@ static struct platform_driver sdhci_cns3xxx_driver = {
 	.driver		= {
 		.name	= "sdhci-cns3xxx",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_cns3xxx_probe,
 	.remove		= __devexit_p(sdhci_cns3xxx_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_cns3xxx_init(void)
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index f2d29dca4420..a81312c91f70 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -82,13 +82,10 @@ static struct platform_driver sdhci_dove_driver = {
 	.driver		= {
 		.name	= "sdhci-dove",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_dove_probe,
 	.remove		= __devexit_p(sdhci_dove_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_dove_init(void)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 4b976f00ea85..38ebc4ea259f 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -599,14 +599,11 @@ static struct platform_driver sdhci_esdhc_imx_driver = {
 		.name	= "sdhci-esdhc-imx",
 		.owner	= THIS_MODULE,
 		.of_match_table = imx_esdhc_dt_ids,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.id_table	= imx_esdhc_devtype,
 	.probe		= sdhci_esdhc_imx_probe,
 	.remove		= __devexit_p(sdhci_esdhc_imx_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_esdhc_imx_init(void)
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 59e9d003e589..01e5f627e0f0 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -125,13 +125,10 @@ static struct platform_driver sdhci_esdhc_driver = {
 		.name = "sdhci-esdhc",
 		.owner = THIS_MODULE,
 		.of_match_table = sdhci_esdhc_of_match,
+		.pm = SDHCI_PLTFM_PMOPS,
 	},
 	.probe = sdhci_esdhc_probe,
 	.remove = __devexit_p(sdhci_esdhc_remove),
-#ifdef CONFIG_PM
-	.suspend = sdhci_pltfm_suspend,
-	.resume = sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_esdhc_init(void)
diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c
index 9b0d794a4f69..3619adc7d9fc 100644
--- a/drivers/mmc/host/sdhci-of-hlwd.c
+++ b/drivers/mmc/host/sdhci-of-hlwd.c
@@ -87,13 +87,10 @@ static struct platform_driver sdhci_hlwd_driver = {
 		.name = "sdhci-hlwd",
 		.owner = THIS_MODULE,
 		.of_match_table = sdhci_hlwd_of_match,
+		.pm = SDHCI_PLTFM_PMOPS,
 	},
 	.probe = sdhci_hlwd_probe,
 	.remove = __devexit_p(sdhci_hlwd_remove),
-#ifdef CONFIG_PM
-	.suspend = sdhci_pltfm_suspend,
-	.resume = sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_hlwd_init(void)
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index d833d9c2f7e3..6878a94626bc 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -54,8 +54,7 @@ struct sdhci_pci_fixes {
 	int			(*probe_slot) (struct sdhci_pci_slot *);
 	void			(*remove_slot) (struct sdhci_pci_slot *, int);
 
-	int			(*suspend) (struct sdhci_pci_chip *,
-					pm_message_t);
+	int			(*suspend) (struct sdhci_pci_chip *);
 	int			(*resume) (struct sdhci_pci_chip *);
 };
 
@@ -549,7 +548,7 @@ static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead)
 		jmicron_enable_mmc(slot->host, 0);
 }
 
-static int jmicron_suspend(struct sdhci_pci_chip *chip, pm_message_t state)
+static int jmicron_suspend(struct sdhci_pci_chip *chip)
 {
 	int i;
 
@@ -993,8 +992,9 @@ static struct sdhci_ops sdhci_pci_ops = {
 
 #ifdef CONFIG_PM
 
-static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int sdhci_pci_suspend(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
 	mmc_pm_flag_t slot_pm_flags;
@@ -1010,7 +1010,7 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 		if (!slot)
 			continue;
 
-		ret = sdhci_suspend_host(slot->host, state);
+		ret = sdhci_suspend_host(slot->host);
 
 		if (ret) {
 			for (i--; i >= 0; i--)
@@ -1026,7 +1026,7 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	}
 
 	if (chip->fixes && chip->fixes->suspend) {
-		ret = chip->fixes->suspend(chip, state);
+		ret = chip->fixes->suspend(chip);
 		if (ret) {
 			for (i = chip->num_slots - 1; i >= 0; i--)
 				sdhci_resume_host(chip->slots[i]->host);
@@ -1042,16 +1042,17 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 		}
 		pci_set_power_state(pdev, PCI_D3hot);
 	} else {
-		pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+		pci_enable_wake(pdev, PCI_D3hot, 0);
 		pci_disable_device(pdev);
-		pci_set_power_state(pdev, pci_choose_state(pdev, state));
+		pci_set_power_state(pdev, PCI_D3hot);
 	}
 
 	return 0;
 }
 
-static int sdhci_pci_resume(struct pci_dev *pdev)
+static int sdhci_pci_resume(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
 	int i, ret;
@@ -1099,7 +1100,6 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
 	struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
-	pm_message_t state = { .event = PM_EVENT_SUSPEND };
 	int i, ret;
 
 	chip = pci_get_drvdata(pdev);
@@ -1121,7 +1121,7 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
 	}
 
 	if (chip->fixes && chip->fixes->suspend) {
-		ret = chip->fixes->suspend(chip, state);
+		ret = chip->fixes->suspend(chip);
 		if (ret) {
 			for (i = chip->num_slots - 1; i >= 0; i--)
 				sdhci_runtime_resume_host(chip->slots[i]->host);
@@ -1176,6 +1176,8 @@ static int sdhci_pci_runtime_idle(struct device *dev)
 #endif
 
 static const struct dev_pm_ops sdhci_pci_pm_ops = {
+	.suspend = sdhci_pci_suspend,
+	.resume = sdhci_pci_resume,
 	.runtime_suspend = sdhci_pci_runtime_suspend,
 	.runtime_resume = sdhci_pci_runtime_resume,
 	.runtime_idle = sdhci_pci_runtime_idle,
@@ -1428,8 +1430,6 @@ static struct pci_driver sdhci_driver = {
 	.id_table =	pci_ids,
 	.probe =	sdhci_pci_probe,
 	.remove =	__devexit_p(sdhci_pci_remove),
-	.suspend =	sdhci_pci_suspend,
-	.resume	=	sdhci_pci_resume,
 	.driver =	{
 		.pm =   &sdhci_pci_pm_ops
 	},
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index a9e12ea05583..03970bcb3495 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -194,21 +194,25 @@ int sdhci_pltfm_unregister(struct platform_device *pdev)
 EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister);
 
 #ifdef CONFIG_PM
-int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state)
+static int sdhci_pltfm_suspend(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
-	return sdhci_suspend_host(host, state);
+	return sdhci_suspend_host(host);
 }
-EXPORT_SYMBOL_GPL(sdhci_pltfm_suspend);
 
-int sdhci_pltfm_resume(struct platform_device *dev)
+static int sdhci_pltfm_resume(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
 	return sdhci_resume_host(host);
 }
-EXPORT_SYMBOL_GPL(sdhci_pltfm_resume);
+
+const struct dev_pm_ops sdhci_pltfm_pmops = {
+	.suspend	= sdhci_pltfm_suspend,
+	.resume		= sdhci_pltfm_resume,
+};
+EXPORT_SYMBOL_GPL(sdhci_pltfm_pmops);
 #endif	/* CONFIG_PM */
 
 static int __init sdhci_pltfm_drv_init(void)
diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index 3a9fc3f40840..37e0e184a0bb 100644
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -99,8 +99,10 @@ extern int sdhci_pltfm_register(struct platform_device *pdev,
 extern int sdhci_pltfm_unregister(struct platform_device *pdev);
 
 #ifdef CONFIG_PM
-extern int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state);
-extern int sdhci_pltfm_resume(struct platform_device *dev);
+extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#define SDHCI_PLTFM_PMOPS (&sdhci_pltfm_pmops)
+#else
+#define SDHCI_PLTFM_PMOPS NULL
 #endif
 
 #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */
diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c
index d4bf6d30c7ba..7a039c3cb1f1 100644
--- a/drivers/mmc/host/sdhci-pxav2.c
+++ b/drivers/mmc/host/sdhci-pxav2.c
@@ -218,13 +218,10 @@ static struct platform_driver sdhci_pxav2_driver = {
 	.driver		= {
 		.name	= "sdhci-pxav2",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_pxav2_probe,
 	.remove		= __devexit_p(sdhci_pxav2_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_pxav2_init(void)
 {
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index cff4ad3e7a59..15673a7ee6a5 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -264,13 +264,10 @@ static struct platform_driver sdhci_pxav3_driver = {
 	.driver		= {
 		.name	= "sdhci-pxav3",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_pxav3_probe,
 	.remove		= __devexit_p(sdhci_pxav3_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_pxav3_init(void)
 {
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 3d00e722efc9..0d33ff0d67fb 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -622,33 +622,38 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 
 #ifdef CONFIG_PM
 
-static int sdhci_s3c_suspend(struct platform_device *dev, pm_message_t pm)
+static int sdhci_s3c_suspend(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
-	return sdhci_suspend_host(host, pm);
+	return sdhci_suspend_host(host);
 }
 
-static int sdhci_s3c_resume(struct platform_device *dev)
+static int sdhci_s3c_resume(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
 	return sdhci_resume_host(host);
 }
 
+static const struct dev_pm_ops sdhci_s3c_pmops = {
+	.suspend	= sdhci_s3c_suspend,
+	.resume		= sdhci_s3c_resume,
+};
+
+#define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops)
+
 #else
-#define sdhci_s3c_suspend NULL
-#define sdhci_s3c_resume NULL
+#define SDHCI_S3C_PMOPS NULL
 #endif
 
 static struct platform_driver sdhci_s3c_driver = {
 	.probe		= sdhci_s3c_probe,
 	.remove		= __devexit_p(sdhci_s3c_remove),
-	.suspend	= sdhci_s3c_suspend,
-	.resume	        = sdhci_s3c_resume,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "s3c-sdhci",
+		.pm	= SDHCI_S3C_PMOPS,
 	},
 };
 
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 89699e861fc1..e2e18d3f949c 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -318,13 +318,10 @@ static struct platform_driver sdhci_tegra_driver = {
 		.name	= "sdhci-tegra",
 		.owner	= THIS_MODULE,
 		.of_match_table = sdhci_tegra_dt_match,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_tegra_probe,
 	.remove		= __devexit_p(sdhci_tegra_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_tegra_init(void)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 6d8eea323541..19ed580f2cab 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2327,7 +2327,7 @@ out:
 
 #ifdef CONFIG_PM
 
-int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state)
+int sdhci_suspend_host(struct sdhci_host *host)
 {
 	int ret;
 
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 0a5b65460d8a..a04d4d0c6fd2 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -374,7 +374,7 @@ extern int sdhci_add_host(struct sdhci_host *host);
 extern void sdhci_remove_host(struct sdhci_host *host, int dead);
 
 #ifdef CONFIG_PM
-extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state);
+extern int sdhci_suspend_host(struct sdhci_host *host);
 extern int sdhci_resume_host(struct sdhci_host *host);
 extern void sdhci_enable_irq_wakeups(struct sdhci_host *host);
 #endif
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 369366c8e205..d5505f3fe2a1 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -908,7 +908,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		if (host->power) {
 			pm_runtime_put(&host->pd->dev);
 			host->power = false;
-			if (p->down_pwr)
+			if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
 				p->down_pwr(host->pd);
 		}
 		host->state = STATE_IDLE;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index d85a60cda167..4208b3958069 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -798,7 +798,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		/* start bus clock */
 		tmio_mmc_clk_start(host);
 	} else if (ios->power_mode != MMC_POWER_UP) {
-		if (host->set_pwr)
+		if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
 			host->set_pwr(host->pdev, 0);
 		if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) &&
 		    pdata->power) {
diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index e8f6e65183d7..2ec978bc32ba 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -259,7 +259,7 @@ static int firmware_rom_wait_states = 0x04;
 static int firmware_rom_wait_states = 0x1C;
 #endif
 
-module_param(firmware_rom_wait_states, bool, 0644);
+module_param(firmware_rom_wait_states, int, 0644);
 MODULE_PARM_DESC(firmware_rom_wait_states,
 		 "ROM wait states byte=RRRIIEEE (Reserved Internal External)");
 
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 94f553489725..45876d0e5b8e 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -227,10 +227,14 @@ static int platram_probe(struct platform_device *pdev)
 	if (!err)
 		dev_info(&pdev->dev, "registered mtd device\n");
 
-	/* add the whole device. */
-	err = mtd_device_register(info->mtd, NULL, 0);
-	if (err)
-		dev_err(&pdev->dev, "failed to register the entire device\n");
+	if (pdata->nr_partitions) {
+		/* add the whole device. */
+		err = mtd_device_register(info->mtd, NULL, 0);
+		if (err) {
+			dev_err(&pdev->dev,
+				"failed to register the entire device\n");
+		}
+	}
 
 	return err;
 
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 411a17df9fc1..2a25b6789af4 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -98,7 +98,7 @@ static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
 	}
 	info->mtd->owner = THIS_MODULE;
 
-	mtd_device_parse_register(info->mtd, probes, 0, NULL, 0);
+	mtd_device_parse_register(info->mtd, probes, 0, flash->parts, flash->nr_parts);
 
 	platform_set_drvdata(pdev, info);
 	return 0;
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 071b63420f0e..493ec2fcf97f 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -21,9 +21,9 @@
 #include <linux/clk.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/mtd/gpmi-nand.h>
 #include <linux/mtd/partitions.h>
-
 #include "gpmi-nand.h"
 
 /* add our owner bbt descriptor */
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index ee1713907b92..f8aacf48ecdd 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -188,7 +188,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
 	if (!flash_np)
 		return -ENODEV;
 
-	ppdata->of_node = flash_np;
+	ppdata.of_node = flash_np;
 	ndfc->mtd.name = kasprintf(GFP_KERNEL, "%s.%s",
 			dev_name(&ndfc->ofdev->dev), flash_np->name);
 	if (!ndfc->mtd.name) {
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 1124ce0a1594..c136230d50bb 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -232,6 +232,7 @@ struct fec_enet_private {
 	struct	platform_device *pdev;
 
 	int	opened;
+	int	dev_id;
 
 	/* Phylib and MDIO interface */
 	struct	mii_bus *mii_bus;
@@ -837,7 +838,7 @@ static void __inline__ fec_get_mac(struct net_device *ndev)
 
 	/* Adjust MAC if using macaddr */
 	if (iap == macaddr)
-		 ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id;
+		 ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->dev_id;
 }
 
 /* ------------------------------------------------------------------------- */
@@ -953,7 +954,7 @@ static int fec_enet_mii_probe(struct net_device *ndev)
 	char mdio_bus_id[MII_BUS_ID_SIZE];
 	char phy_name[MII_BUS_ID_SIZE + 3];
 	int phy_id;
-	int dev_id = fep->pdev->id;
+	int dev_id = fep->dev_id;
 
 	fep->phy_dev = NULL;
 
@@ -1031,7 +1032,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	 * mdio interface in board design, and need to be configured by
 	 * fec0 mii_bus.
 	 */
-	if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) {
+	if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
 		/* fec1 uses fec0 mii_bus */
 		fep->mii_bus = fec0_mii_bus;
 		return 0;
@@ -1063,7 +1064,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	fep->mii_bus->read = fec_enet_mdio_read;
 	fep->mii_bus->write = fec_enet_mdio_write;
 	fep->mii_bus->reset = fec_enet_mdio_reset;
-	snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
+	snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", fep->dev_id + 1);
 	fep->mii_bus->priv = fep;
 	fep->mii_bus->parent = &pdev->dev;
 
@@ -1521,6 +1522,7 @@ fec_probe(struct platform_device *pdev)
 	int i, irq, ret = 0;
 	struct resource *r;
 	const struct of_device_id *of_id;
+	static int dev_id;
 
 	of_id = of_match_device(fec_dt_ids, &pdev->dev);
 	if (of_id)
@@ -1548,6 +1550,7 @@ fec_probe(struct platform_device *pdev)
 
 	fep->hwp = ioremap(r->start, resource_size(r));
 	fep->pdev = pdev;
+	fep->dev_id = dev_id++;
 
 	if (!fep->hwp) {
 		ret = -ENOMEM;
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 52f4e8ad48e7..4d9f84b8ab97 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -183,28 +183,10 @@ void fsl_pq_mdio_bus_name(char *name, struct device_node *np)
 }
 EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
 
-/* Scan the bus in reverse, looking for an empty spot */
-static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
-{
-	int i;
-
-	for (i = PHY_MAX_ADDR; i > 0; i--) {
-		u32 phy_id;
-
-		if (get_phy_id(new_bus, i, &phy_id))
-			return -1;
-
-		if (phy_id == 0xffffffff)
-			break;
-	}
-
-	return i;
-}
-
 
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
 {
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 	struct gfar __iomem *enet_regs;
 
 	/*
@@ -220,15 +202,15 @@ static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct devi
 	} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
 			of_device_is_compatible(np, "fsl,etsec2-tbi")) {
 		return of_iomap(np, 1);
-	} else
-		return NULL;
-}
+	}
 #endif
+	return NULL;
+}
 
 
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
 {
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 	struct device_node *np = NULL;
 	int err = 0;
 
@@ -261,9 +243,10 @@ static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
 		return err;
 	else
 		return -EINVAL;
-}
+#else
+	return -ENODEV;
 #endif
-
+}
 
 static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 {
@@ -339,19 +322,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 			of_device_is_compatible(np, "fsl,etsec2-mdio") ||
 			of_device_is_compatible(np, "fsl,etsec2-tbi") ||
 			of_device_is_compatible(np, "gianfar")) {
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 		tbipa = get_gfar_tbipa(regs, np);
 		if (!tbipa) {
 			err = -EINVAL;
 			goto err_free_irqs;
 		}
-#else
-		err = -ENODEV;
-		goto err_free_irqs;
-#endif
 	} else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
 			of_device_is_compatible(np, "ucc_geth_phy")) {
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 		u32 id;
 		static u32 mii_mng_master;
 
@@ -364,10 +341,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 			mii_mng_master = id;
 			ucc_set_qe_mux_mii_mng(id - 1);
 		}
-#else
-		err = -ENODEV;
-		goto err_free_irqs;
-#endif
 	} else {
 		err = -ENODEV;
 		goto err_free_irqs;
@@ -386,16 +359,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 	}
 
 	if (tbiaddr == -1) {
-		out_be32(tbipa, 0);
-
-		tbiaddr = fsl_pq_mdio_find_free(new_bus);
-	}
-
-	/*
-	 * We define TBIPA at 0 to be illegal, opting to fail for boards that
-	 * have PHYs at 1-31, rather than change tbipa and rescan.
-	 */
-	if (tbiaddr == 0) {
 		err = -EBUSY;
 
 		goto err_free_irqs;
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 67bf07819992..c8f47f17186f 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -477,7 +477,6 @@ enum rtl_register_content {
 	/* Config1 register p.24 */
 	LEDS1		= (1 << 7),
 	LEDS0		= (1 << 6),
-	MSIEnable	= (1 << 5),	/* Enable Message Signaled Interrupt */
 	Speed_down	= (1 << 4),
 	MEMMAP		= (1 << 3),
 	IOMAP		= (1 << 2),
@@ -485,6 +484,7 @@ enum rtl_register_content {
 	PMEnable	= (1 << 0),	/* Power Management Enable */
 
 	/* Config2 register p. 25 */
+	MSIEnable	= (1 << 5),	/* 8169 only. Reserved in the 8168. */
 	PCI_Clock_66MHz = 0x01,
 	PCI_Clock_33MHz = 0x00,
 
@@ -3426,22 +3426,24 @@ static const struct rtl_cfg_info {
 };
 
 /* Cfg9346_Unlock assumed. */
-static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
+static unsigned rtl_try_msi(struct rtl8169_private *tp,
 			    const struct rtl_cfg_info *cfg)
 {
+	void __iomem *ioaddr = tp->mmio_addr;
 	unsigned msi = 0;
 	u8 cfg2;
 
 	cfg2 = RTL_R8(Config2) & ~MSIEnable;
 	if (cfg->features & RTL_FEATURE_MSI) {
-		if (pci_enable_msi(pdev)) {
-			dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
+		if (pci_enable_msi(tp->pci_dev)) {
+			netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
 		} else {
 			cfg2 |= MSIEnable;
 			msi = RTL_FEATURE_MSI;
 		}
 	}
-	RTL_W8(Config2, cfg2);
+	if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
+		RTL_W8(Config2, cfg2);
 	return msi;
 }
 
@@ -4077,7 +4079,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		tp->features |= RTL_FEATURE_WOL;
 	if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
 		tp->features |= RTL_FEATURE_WOL;
-	tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
+	tp->features |= rtl_try_msi(tp, cfg);
 	RTL_W8(Cfg9346, Cfg9346_Lock);
 
 	if (rtl_tbi_enabled(tp)) {
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index dca9d3369cdd..c97d2f590855 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -836,11 +836,13 @@ int cpdma_chan_stop(struct cpdma_chan *chan)
 	chan_write(chan, cp, CPDMA_TEARDOWN_VALUE);
 
 	/* handle completed packets */
+	spin_unlock_irqrestore(&chan->lock, flags);
 	do {
 		ret = __cpdma_chan_process(chan);
 		if (ret < 0)
 			break;
 	} while ((ret & CPDMA_DESC_TD_COMPLETE) == 0);
+	spin_lock_irqsave(&chan->lock, flags);
 
 	/* remaining packets haven't been tx/rx'ed, clean them up */
 	while (chan->head) {
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 89f829f5f725..f8a6853b692e 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -423,10 +423,8 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
 	lock_sock(sk);
 
 	opt->src_addr = sp->sa_addr.pptp;
-	if (add_chan(po)) {
-		release_sock(sk);
+	if (add_chan(po))
 		error = -EBUSY;
-	}
 
 	release_sock(sk);
 	return error;
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index e6fed4d4cb77..e95f0e60a9bc 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1655,6 +1655,10 @@ static const struct usb_device_id	products [] = {
 	// ASIX 88772a
 	USB_DEVICE(0x0db0, 0xa877),
 	.driver_info = (unsigned long) &ax88772_info,
+}, {
+	// Asus USB Ethernet Adapter
+	USB_DEVICE (0x0b95, 0x7e2b),
+	.driver_info = (unsigned long) &ax88772_info,
 },
 	{ },		// END
 };
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 93fbe6f40898..d2348a5a7809 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -286,7 +286,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
 			ath_start_ani(common);
 	}
 
-	if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
+	if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
 		struct ath_hw_antcomb_conf div_ant_conf;
 		u8 lna_conf;
 
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 888abc2be3a5..528d5f3e868c 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1271,7 +1271,9 @@ static void ath_rc_init(struct ath_softc *sc,
 
 	ath_rc_priv->max_valid_rate = k;
 	ath_rc_sort_validrates(rate_table, ath_rc_priv);
-	ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
+	ath_rc_priv->rate_max_phy = (k > 4) ?
+					ath_rc_priv->valid_rate_index[k-4] :
+					ath_rc_priv->valid_rate_index[k-1];
 	ath_rc_priv->rate_table = rate_table;
 
 	ath_dbg(common, ATH_DBG_CONFIG,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index a7a6def40d05..5c7c17c7166a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -606,8 +606,8 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 			if (ctx->ht.enabled) {
 				/* if HT40 is used, it should not change
 				 * after associated except channel switch */
-				if (iwl_is_associated_ctx(ctx) &&
-				     !ctx->ht.is_40mhz)
+				if (!ctx->ht.is_40mhz ||
+						!iwl_is_associated_ctx(ctx))
 					iwlagn_config_ht40(conf, ctx);
 			} else
 				ctx->ht.is_40mhz = false;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 35a6b71f358c..df1540ca6102 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -91,7 +91,10 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
 		tx_cmd->tid_tspec = qc[0] & 0xf;
 		tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
 	} else {
-		tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+		if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+			tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+		else
+			tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
 	}
 
 	iwlagn_tx_cmd_protection(priv, info, fc, &tx_flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index bacc06c95e7a..e0e9a3dfbc00 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2850,6 +2850,9 @@ static int iwlagn_mac_tx_sync(struct ieee80211_hw *hw,
 	int ret;
 	u8 sta_id;
 
+	if (ctx->ctxid != IWL_RXON_CTX_PAN)
+		return 0;
+
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 	mutex_lock(&priv->shrd->mutex);
 
@@ -2898,6 +2901,9 @@ static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw,
 	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 	struct iwl_rxon_context *ctx = vif_priv->ctx;
 
+	if (ctx->ctxid != IWL_RXON_CTX_PAN)
+		return;
+
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 	mutex_lock(&priv->shrd->mutex);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index ce918980e977..5f17ab8e76ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1197,9 +1197,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
 	iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
 
 	/* Set up entry for this TFD in Tx byte-count array */
-	if (is_agg)
-		iwl_trans_txq_update_byte_cnt_tbl(trans, txq,
-					       le16_to_cpu(tx_cmd->len));
+	iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
 
 	dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen,
 			DMA_BIDIRECTIONAL);
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index ac278156d390..6e0a3eaecf70 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -939,7 +939,6 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 {
 	struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL;
 	unsigned long cmd_flags;
-	unsigned long cmd_pending_q_flags;
 	unsigned long scan_pending_q_flags;
 	uint16_t cancel_scan_cmd = false;
 
@@ -949,12 +948,9 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 		cmd_node = adapter->curr_cmd;
 		cmd_node->wait_q_enabled = false;
 		cmd_node->cmd_flag |= CMD_F_CANCELED;
-		spin_lock_irqsave(&adapter->cmd_pending_q_lock,
-				  cmd_pending_q_flags);
-		list_del(&cmd_node->list);
-		spin_unlock_irqrestore(&adapter->cmd_pending_q_lock,
-				       cmd_pending_q_flags);
 		mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+		mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+		adapter->curr_cmd = NULL;
 		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
 	}
 
@@ -981,7 +977,6 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
 	}
 	adapter->cmd_wait_q.status = -1;
-	mwifiex_complete_cmd(adapter, adapter->curr_cmd);
 }
 
 /*
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
index 592a10ac5929..3b585aadabfc 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
@@ -569,7 +569,7 @@ static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		}
 	case ERFSLEEP:{
 			if (ppsc->rfpwr_state == ERFOFF)
-				break;
+				return false;
 			for (queue_id = 0, i = 0;
 			     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
 				ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
index 72852900df84..e49cf2244c75 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
@@ -548,7 +548,7 @@ static bool _rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		break;
 	case ERFSLEEP:
 		if (ppsc->rfpwr_state == ERFOFF)
-			break;
+			return false;
 		for (queue_id = 0, i = 0;
 		     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
 			ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
index 3ac7af1c5509..0883349e1c83 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
@@ -3374,7 +3374,7 @@ bool rtl92d_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		break;
 	case ERFSLEEP:
 		if (ppsc->rfpwr_state == ERFOFF)
-			break;
+			return false;
 
 		for (queue_id = 0, i = 0;
 		     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
index f27171af979c..f10ac1ad9087 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -602,7 +602,7 @@ bool rtl92s_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		}
 	case ERFSLEEP:
 			if (ppsc->rfpwr_state == ERFOFF)
-				break;
+				return false;
 
 			for (queue_id = 0, i = 0;
 			     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index 89f63456646f..84a208dbed93 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -45,7 +45,7 @@ static ssize_t timeout_write(struct file *file, char const __user *buf,
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	retval = oprofile_set_timeout(val);
@@ -84,7 +84,7 @@ static ssize_t depth_write(struct file *file, char const __user *buf, size_t cou
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	retval = oprofile_set_ulong(&oprofile_backtrace_depth, val);
@@ -141,9 +141,10 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
+	retval = 0;
 	if (val)
 		retval = oprofile_start();
 	else
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index d0de6cc2d7a5..2f0aa0f700e6 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -60,6 +60,13 @@ ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user *buf, size_t cou
 }
 
 
+/*
+ * Note: If oprofilefs_ulong_from_user() returns 0, then *val remains
+ * unchanged and might be uninitialized. This follows write syscall
+ * implementation when count is zero: "If count is zero ... [and if]
+ * no errors are detected, 0 will be returned without causing any
+ * other effect." (man 2 write)
+ */
 int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_t count)
 {
 	char tmpbuf[TMPBUFSIZE];
@@ -79,7 +86,7 @@ int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_
 	raw_spin_lock_irqsave(&oprofilefs_lock, flags);
 	*val = simple_strtoul(tmpbuf, NULL, 0);
 	raw_spin_unlock_irqrestore(&oprofilefs_lock, flags);
-	return 0;
+	return count;
 }
 
 
@@ -99,7 +106,7 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&value, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	retval = oprofile_set_ulong(file->private_data, value);
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 7ec56fb0bd78..b0dd08e6a9da 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -13,6 +13,7 @@
 #include <linux/export.h>
 #include <linux/pci-ats.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 
 #include "pci.h"
 
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index fce1c54a0c8d..9ddf69e3bbef 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -132,6 +132,18 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 	if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
 		return AE_OK;
 
+	pdev = pbus->self;
+	if (pdev && pci_is_pcie(pdev)) {
+		tmp = acpi_find_root_bridge_handle(pdev);
+		if (tmp) {
+			struct acpi_pci_root *root = acpi_pci_find_root(tmp);
+
+			if (root && (root->osc_control_set &
+					OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+				return AE_OK;
+		}
+	}
+
 	acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
 	device = (adr >> 16) & 0xffff;
 	function = adr & 0xffff;
@@ -213,7 +225,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 
 	pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
 	if (pdev) {
-		pdev->current_state = PCI_D0;
 		slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
 		pci_dev_put(pdev);
 	}
@@ -459,17 +470,8 @@ static int add_bridge(acpi_handle handle)
 {
 	acpi_status status;
 	unsigned long long tmp;
-	struct acpi_pci_root *root;
 	acpi_handle dummy_handle;
 
-	/*
-	 * We shouldn't use this bridge if PCIe native hotplug control has been
-	 * granted by the BIOS for it.
-	 */
-	root = acpi_pci_find_root(handle);
-	if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
-		return -ENODEV;
-
 	/* if the bridge doesn't have _STA, we assume it is always there */
 	status = acpi_get_handle(handle, "_STA", &dummy_handle);
 	if (ACPI_SUCCESS(status)) {
@@ -1385,19 +1387,11 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
 static acpi_status
 find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	struct acpi_pci_root *root;
 	int *count = (int *)context;
 
 	if (!acpi_is_root_bridge(handle))
 		return AE_OK;
 
-	root = acpi_pci_find_root(handle);
-	if (!root)
-		return AE_OK;
-
-	if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
-		return AE_OK;
-
 	(*count)++;
 	acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
 				    handle_hotplug_event_bridge, NULL);
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b82c155d7b37..1969a3ee3058 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -283,6 +283,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	struct resource *res;
 	struct pci_dev *pdev;
 	struct pci_sriov *iov = dev->sriov;
+	int bars = 0;
 
 	if (!nr_virtfn)
 		return 0;
@@ -307,6 +308,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
 	nres = 0;
 	for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
+		bars |= (1 << (i + PCI_IOV_RESOURCES));
 		res = dev->resource + PCI_IOV_RESOURCES + i;
 		if (res->parent)
 			nres++;
@@ -324,6 +326,11 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 		return -ENOMEM;
 	}
 
+	if (pci_enable_resources(dev, bars)) {
+		dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+		return -ENOMEM;
+	}
+
 	if (iov->link != dev->devfn) {
 		pdev = pci_get_slot(dev->bus, iov->link);
 		if (!pdev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6f45a73c6e9f..6d4a5319148d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -664,6 +664,9 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
 		error = platform_pci_set_power_state(dev, state);
 		if (!error)
 			pci_update_current_state(dev, state);
+		/* Fall back to PCI_D0 if native PM is not supported */
+		if (!dev->pm_cap)
+			dev->current_state = PCI_D0;
 	} else {
 		error = -ENODEV;
 		/* Fall back to PCI_D0 if native PM is not supported */
@@ -1126,7 +1129,11 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
 	if (atomic_add_return(1, &dev->enable_cnt) > 1)
 		return 0;		/* already enabled */
 
-	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
+	/* only skip sriov related */
+	for (i = 0; i <= PCI_ROM_RESOURCE; i++)
+		if (dev->resource[i].flags & flags)
+			bars |= (1 << i);
+	for (i = PCI_BRIDGE_RESOURCES; i < DEVICE_COUNT_RESOURCE; i++)
 		if (dev->resource[i].flags & flags)
 			bars |= (1 << i);
 
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index fa4d9f324189..3bcc7cfcaba7 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
 		err = -EINVAL;
 
 	mutex_unlock(&rtc->ops_lock);
+	/* A timer might have just expired */
+	schedule_work(&rtc->irqwork);
 	return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_time);
@@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
 		err = -EINVAL;
 
 	mutex_unlock(&rtc->ops_lock);
+	/* A timer might have just expired */
+	schedule_work(&rtc->irqwork);
 
 	return err;
 }
@@ -403,6 +407,8 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 		timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
 	}
 	mutex_unlock(&rtc->ops_lock);
+	/* maybe that was in the past.*/
+	schedule_work(&rtc->irqwork);
 	return err;
 }
 EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index eda128fc1d38..64aedd8cc095 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -357,10 +357,19 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 static struct rtc_class_ops m41t80_rtc_ops = {
 	.read_time = m41t80_rtc_read_time,
 	.set_time = m41t80_rtc_set_time,
+	/*
+	 * XXX - m41t80 alarm functionality is reported broken.
+	 * until it is fixed, don't register alarm functions.
+	 *
 	.read_alarm = m41t80_rtc_read_alarm,
 	.set_alarm = m41t80_rtc_set_alarm,
+	*/
 	.proc = m41t80_rtc_proc,
+	/*
+	 * See above comment on broken alarm
+	 *
 	.alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
+	*/
 };
 
 #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 11f07f888223..b79576b64f45 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -55,6 +55,10 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdev)
 {
 	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
 
+	/* if previous slave_alloc returned early, there is nothing to do */
+	if (!zfcp_sdev->port)
+		return;
+
 	zfcp_erp_lun_shutdown_wait(sdev, "scssd_1");
 	put_device(&zfcp_sdev->port->dev);
 }
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 5f94d22c491e..542668292900 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -233,13 +233,9 @@ int bbc_i2c_write_buf(struct bbc_i2c_client *client,
 	int ret = 0;
 
 	while (len > 0) {
-		int err = bbc_i2c_writeb(client, *buf, off);
-
-		if (err < 0) {
-			ret = err;
+		ret = bbc_i2c_writeb(client, *buf, off);
+		if (ret < 0)
 			break;
-		}
-
 		len--;
 		buf++;
 		off++;
@@ -253,11 +249,9 @@ int bbc_i2c_read_buf(struct bbc_i2c_client *client,
 	int ret = 0;
 
 	while (len > 0) {
-		int err = bbc_i2c_readb(client, buf, off);
-		if (err < 0) {
-			ret = err;
+		ret = bbc_i2c_readb(client, buf, off);
+		if (ret < 0)
 			break;
-		}
 		len--;
 		buf++;
 		off++;
@@ -422,17 +416,6 @@ static struct platform_driver bbc_i2c_driver = {
 	.remove		= __devexit_p(bbc_i2c_remove),
 };
 
-static int __init bbc_i2c_init(void)
-{
-	return platform_driver_register(&bbc_i2c_driver);
-}
-
-static void __exit bbc_i2c_exit(void)
-{
-	platform_driver_unregister(&bbc_i2c_driver);
-}
-
-module_init(bbc_i2c_init);
-module_exit(bbc_i2c_exit);
+module_platform_driver(bbc_i2c_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 965a1fccd66a..4b9939726c34 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -275,15 +275,4 @@ static struct platform_driver d7s_driver = {
 	.remove		= __devexit_p(d7s_remove),
 };
 
-static int __init d7s_init(void)
-{
-	return platform_driver_register(&d7s_driver);
-}
-
-static void __exit d7s_exit(void)
-{
-	platform_driver_unregister(&d7s_driver);
-}
-
-module_init(d7s_init);
-module_exit(d7s_exit);
+module_platform_driver(d7s_driver);
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index be7b4e56154f..339fd6f65eda 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1138,16 +1138,6 @@ static struct platform_driver envctrl_driver = {
 	.remove		= __devexit_p(envctrl_remove),
 };
 
-static int __init envctrl_init(void)
-{
-	return platform_driver_register(&envctrl_driver);
-}
-
-static void __exit envctrl_exit(void)
-{
-	platform_driver_unregister(&envctrl_driver);
-}
+module_platform_driver(envctrl_driver);
 
-module_init(envctrl_init);
-module_exit(envctrl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 73dd4e7afaaa..826157f38694 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -216,16 +216,6 @@ static struct platform_driver flash_driver = {
 	.remove		= __devexit_p(flash_remove),
 };
 
-static int __init flash_init(void)
-{
-	return platform_driver_register(&flash_driver);
-}
-
-static void __exit flash_cleanup(void)
-{
-	platform_driver_unregister(&flash_driver);
-}
+module_platform_driver(flash_driver);
 
-module_init(flash_init);
-module_exit(flash_cleanup);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index ebce9639a26a..0b31658ccde5 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -435,16 +435,6 @@ static struct platform_driver uctrl_driver = {
 };
 
 
-static int __init uctrl_init(void)
-{
-	return platform_driver_register(&uctrl_driver);
-}
-
-static void __exit uctrl_exit(void)
-{
-	platform_driver_unregister(&uctrl_driver);
-}
+module_platform_driver(uctrl_driver);
 
-module_init(uctrl_init);
-module_exit(uctrl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index dba72a4e6a1c..1ad0b8225560 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -1906,18 +1906,19 @@ static int bnx2i_queue_scsi_cmd_resp(struct iscsi_session *session,
 	spin_lock(&session->lock);
 	task = iscsi_itt_to_task(bnx2i_conn->cls_conn->dd_data,
 				 cqe->itt & ISCSI_CMD_RESPONSE_INDEX);
-	if (!task) {
+	if (!task || !task->sc) {
 		spin_unlock(&session->lock);
 		return -EINVAL;
 	}
 	sc = task->sc;
-	spin_unlock(&session->lock);
 
 	if (!blk_rq_cpu_valid(sc->request))
 		cpu = smp_processor_id();
 	else
 		cpu = sc->request->cpu;
 
+	spin_unlock(&session->lock);
+
 	p = &per_cpu(bnx2i_percpu, cpu);
 	spin_lock(&p->p_work_lock);
 	if (unlikely(!p->iothread)) {
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index cefbe44bb84a..8d67467dd9ce 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -31,6 +31,8 @@
 #include <linux/sysfs.h>
 #include <linux/ctype.h>
 #include <linux/workqueue.h>
+#include <net/dcbnl.h>
+#include <net/dcbevent.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
 #include <scsi/scsi_transport.h>
@@ -101,6 +103,8 @@ static int fcoe_ddp_done(struct fc_lport *, u16);
 static int fcoe_ddp_target(struct fc_lport *, u16, struct scatterlist *,
 			   unsigned int);
 static int fcoe_cpu_callback(struct notifier_block *, unsigned long, void *);
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+				     ulong event, void *ptr);
 
 static bool fcoe_match(struct net_device *netdev);
 static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode);
@@ -129,6 +133,11 @@ static struct notifier_block fcoe_cpu_notifier = {
 	.notifier_call = fcoe_cpu_callback,
 };
 
+/* notification function for DCB events */
+static struct notifier_block dcb_notifier = {
+	.notifier_call = fcoe_dcb_app_notification,
+};
+
 static struct scsi_transport_template *fcoe_nport_scsi_transport;
 static struct scsi_transport_template *fcoe_vport_scsi_transport;
 
@@ -1522,6 +1531,8 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 	skb_reset_network_header(skb);
 	skb->mac_len = elen;
 	skb->protocol = htons(ETH_P_FCOE);
+	skb->priority = port->priority;
+
 	if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
 	    fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
 		skb->vlan_tci = VLAN_TAG_PRESENT |
@@ -1624,6 +1635,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
 	stats->InvalidCRCCount++;
 	if (stats->InvalidCRCCount < 5)
 		printk(KERN_WARNING "fcoe: dropping frame with CRC error\n");
+	put_cpu();
 	return -EINVAL;
 }
 
@@ -1746,6 +1758,7 @@ int fcoe_percpu_receive_thread(void *arg)
  */
 static void fcoe_dev_setup(void)
 {
+	register_dcbevent_notifier(&dcb_notifier);
 	register_netdevice_notifier(&fcoe_notifier);
 }
 
@@ -1754,9 +1767,69 @@ static void fcoe_dev_setup(void)
  */
 static void fcoe_dev_cleanup(void)
 {
+	unregister_dcbevent_notifier(&dcb_notifier);
 	unregister_netdevice_notifier(&fcoe_notifier);
 }
 
+static struct fcoe_interface *
+fcoe_hostlist_lookup_realdev_port(struct net_device *netdev)
+{
+	struct fcoe_interface *fcoe;
+	struct net_device *real_dev;
+
+	list_for_each_entry(fcoe, &fcoe_hostlist, list) {
+		if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN)
+			real_dev = vlan_dev_real_dev(fcoe->netdev);
+		else
+			real_dev = fcoe->netdev;
+
+		if (netdev == real_dev)
+			return fcoe;
+	}
+	return NULL;
+}
+
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+				     ulong event, void *ptr)
+{
+	struct dcb_app_type *entry = ptr;
+	struct fcoe_interface *fcoe;
+	struct net_device *netdev;
+	struct fcoe_port *port;
+	int prio;
+
+	if (entry->app.selector != DCB_APP_IDTYPE_ETHTYPE)
+		return NOTIFY_OK;
+
+	netdev = dev_get_by_index(&init_net, entry->ifindex);
+	if (!netdev)
+		return NOTIFY_OK;
+
+	fcoe = fcoe_hostlist_lookup_realdev_port(netdev);
+	dev_put(netdev);
+	if (!fcoe)
+		return NOTIFY_OK;
+
+	if (entry->dcbx & DCB_CAP_DCBX_VER_CEE)
+		prio = ffs(entry->app.priority) - 1;
+	else
+		prio = entry->app.priority;
+
+	if (prio < 0)
+		return NOTIFY_OK;
+
+	if (entry->app.protocol == ETH_P_FIP ||
+	    entry->app.protocol == ETH_P_FCOE)
+		fcoe->ctlr.priority = prio;
+
+	if (entry->app.protocol == ETH_P_FCOE) {
+		port = lport_priv(fcoe->ctlr.lp);
+		port->priority = prio;
+	}
+
+	return NOTIFY_OK;
+}
+
 /**
  * fcoe_device_notification() - Handler for net device events
  * @notifier: The context of the notification
@@ -1965,6 +2038,46 @@ static bool fcoe_match(struct net_device *netdev)
 }
 
 /**
+ * fcoe_dcb_create() - Initialize DCB attributes and hooks
+ * @netdev: The net_device object of the L2 link that should be queried
+ * @port: The fcoe_port to bind FCoE APP priority with
+ * @
+ */
+static void fcoe_dcb_create(struct fcoe_interface *fcoe)
+{
+#ifdef CONFIG_DCB
+	int dcbx;
+	u8 fup, up;
+	struct net_device *netdev = fcoe->realdev;
+	struct fcoe_port *port = lport_priv(fcoe->ctlr.lp);
+	struct dcb_app app = {
+				.priority = 0,
+				.protocol = ETH_P_FCOE
+			     };
+
+	/* setup DCB priority attributes. */
+	if (netdev && netdev->dcbnl_ops && netdev->dcbnl_ops->getdcbx) {
+		dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+
+		if (dcbx & DCB_CAP_DCBX_VER_IEEE) {
+			app.selector = IEEE_8021QAZ_APP_SEL_ETHERTYPE;
+			up = dcb_ieee_getapp_mask(netdev, &app);
+			app.protocol = ETH_P_FIP;
+			fup = dcb_ieee_getapp_mask(netdev, &app);
+		} else {
+			app.selector = DCB_APP_IDTYPE_ETHTYPE;
+			up = dcb_getapp(netdev, &app);
+			app.protocol = ETH_P_FIP;
+			fup = dcb_getapp(netdev, &app);
+		}
+
+		port->priority = ffs(up) ? ffs(up) - 1 : 0;
+		fcoe->ctlr.priority = ffs(fup) ? ffs(fup) - 1 : port->priority;
+	}
+#endif
+}
+
+/**
  * fcoe_create() - Create a fcoe interface
  * @netdev  : The net_device object the Ethernet interface to create on
  * @fip_mode: The FIP mode for this creation
@@ -2007,6 +2120,9 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode)
 	/* Make this the "master" N_Port */
 	fcoe->ctlr.lp = lport;
 
+	/* setup DCB priority attributes. */
+	fcoe_dcb_create(fcoe);
+
 	/* add to lports list */
 	fcoe_hostlist_add(lport);
 
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index c74c4b8e71ef..e7522dcc296e 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -320,6 +320,7 @@ static void fcoe_ctlr_solicit(struct fcoe_ctlr *fip, struct fcoe_fcf *fcf)
 
 	skb_put(skb, sizeof(*sol));
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 	fip->send(fip, skb);
@@ -474,6 +475,7 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip,
 	}
 	skb_put(skb, len);
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 	fip->send(fip, skb);
@@ -566,6 +568,7 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip, struct fc_lport *lport,
 	cap->fip.fip_dl_len = htons(dlen / FIP_BPW);
 
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 	return 0;
@@ -1911,6 +1914,7 @@ static void fcoe_ctlr_vn_send(struct fcoe_ctlr *fip,
 
 	skb_put(skb, len);
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 4e041f6d808c..d570573b7963 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -4335,7 +4335,7 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 	/* insert into event log */
 	sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
 	     sizeof(Mpi2EventDataSasDeviceStatusChange_t);
-	event_reply = kzalloc(sz, GFP_KERNEL);
+	event_reply = kzalloc(sz, GFP_ATOMIC);
 	if (!event_reply) {
 		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
 		    ioc->name, __FILE__, __LINE__, __func__);
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index ac326c41e931..6465dae5883a 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1762,12 +1762,31 @@ qla2x00_get_host_port_state(struct Scsi_Host *shost)
 	scsi_qla_host_t *vha = shost_priv(shost);
 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
 
-	if (!base_vha->flags.online)
+	if (!base_vha->flags.online) {
 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
-	else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
-		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
-	else
+		return;
+	}
+
+	switch (atomic_read(&base_vha->loop_state)) {
+	case LOOP_UPDATE:
+		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+		break;
+	case LOOP_DOWN:
+		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
+			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+		else
+			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+		break;
+	case LOOP_DEAD:
+		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+		break;
+	case LOOP_READY:
 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
+		break;
+	default:
+		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+		break;
+	}
 }
 
 static int
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 9df4787715c0..f3cddd5800c3 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -12,17 +12,17 @@
  * |             Level            |   Last Value Used  |     Holes	|
  * ----------------------------------------------------------------------
  * | Module Init and Probe        |       0x0116       |  		|
- * | Mailbox commands             |       0x1129       |		|
+ * | Mailbox commands             |       0x112b       |		|
  * | Device Discovery             |       0x2083       |		|
  * | Queue Command and IO tracing |       0x302e       |     0x3008     |
  * | DPC Thread                   |       0x401c       |		|
  * | Async Events                 |       0x5059       |		|
- * | Timer Routines               |       0x600d       |		|
+ * | Timer Routines               |       0x6010       | 0x600e,0x600f  |
  * | User Space Interactions      |       0x709d       |		|
- * | Task Management              |       0x8041       |    		|
+ * | Task Management              |       0x8041       | 0x800b         |
  * | AER/EEH                      |       0x900f       |		|
  * | Virtual Port                 |       0xa007       |		|
- * | ISP82XX Specific             |       0xb051       |    		|
+ * | ISP82XX Specific             |       0xb052       |    		|
  * | MultiQ                       |       0xc00b       |		|
  * | Misc                         |       0xd00b       |		|
  * ----------------------------------------------------------------------
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index ce32d8135c9e..c0c11afb685c 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -578,6 +578,7 @@ extern int qla82xx_check_md_needed(scsi_qla_host_t *);
 extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
 extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int);
 extern char *qdev_state(uint32_t);
+extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *);
 
 /* BSG related functions */
 extern int qla24xx_bsg_request(struct fc_bsg_job *);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index f03e915f1877..54ea68cec4c5 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1509,7 +1509,8 @@ enable_82xx_npiv:
 				    &ha->fw_xcb_count, NULL, NULL,
 				    &ha->max_npiv_vports, NULL);
 
-				if (!fw_major_version && ql2xallocfwdump)
+				if (!fw_major_version && ql2xallocfwdump
+				    && !IS_QLA82XX(ha))
 					qla2x00_alloc_fw_dump(vha);
 			}
 		} else {
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index dbec89622a0f..a4b267e60a35 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -120,11 +120,10 @@ qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
  * Returns a pointer to the continuation type 1 IOCB packet.
  */
 static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
 {
 	cont_a64_entry_t *cont_pkt;
 
-	struct req_que *req = vha->req;
 	/* Adjust ring index. */
 	req->ring_index++;
 	if (req->ring_index == req->length) {
@@ -292,7 +291,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
 			 * Five DSDs are available in the Continuation
 			 * Type 1 IOCB.
 			 */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
 			cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 		}
@@ -684,7 +683,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
 			 * Five DSDs are available in the Continuation
 			 * Type 1 IOCB.
 			 */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
 			cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 		}
@@ -2070,7 +2069,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
 			* Five DSDs are available in the Cont.
 			* Type 1 IOCB.
 			       */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+			    vha->hw->req_q_map[0]);
 			cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 			cont_iocb_prsnt = 1;
@@ -2096,6 +2096,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
 	int index;
 	uint16_t tot_dsds;
         scsi_qla_host_t *vha = sp->fcport->vha;
+	struct qla_hw_data *ha = vha->hw;
 	struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
 	int loop_iterartion = 0;
 	int cont_iocb_prsnt = 0;
@@ -2141,7 +2142,8 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
 			* Five DSDs are available in the Cont.
 			* Type 1 IOCB.
 			       */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+			    ha->req_q_map[0]);
 			cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 			cont_iocb_prsnt = 1;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 2516adf1aeea..7b91b290ffd6 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1741,7 +1741,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 				    resid, scsi_bufflen(cp));
 
 				cp->result = DID_ERROR << 16 | lscsi_status;
-				break;
+				goto check_scsi_status;
 			}
 
 			if (!lscsi_status &&
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 3b3cec9f6ac2..82a33533ed26 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -79,8 +79,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 		mcp->mb[0] = MBS_LINK_DOWN_ERROR;
 		ql_log(ql_log_warn, base_vha, 0x1004,
 		    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
-		rval = QLA_FUNCTION_FAILED;
-		goto premature_exit;
+		return QLA_FUNCTION_TIMEOUT;
 	}
 
 	/*
@@ -163,6 +162,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 				HINT_MBX_INT_PENDING) {
 				spin_unlock_irqrestore(&ha->hardware_lock,
 					flags);
+				ha->flags.mbox_busy = 0;
 				ql_dbg(ql_dbg_mbx, base_vha, 0x1010,
 				    "Pending mailbox timeout, exiting.\n");
 				rval = QLA_FUNCTION_TIMEOUT;
@@ -188,6 +188,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 				HINT_MBX_INT_PENDING) {
 				spin_unlock_irqrestore(&ha->hardware_lock,
 					flags);
+				ha->flags.mbox_busy = 0;
 				ql_dbg(ql_dbg_mbx, base_vha, 0x1012,
 				    "Pending mailbox timeout, exiting.\n");
 				rval = QLA_FUNCTION_TIMEOUT;
@@ -302,7 +303,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-
+				if (IS_QLA82XX(ha)) {
+					ql_dbg(ql_dbg_mbx, vha, 0x112a,
+					    "disabling pause transmit on port "
+					    "0 & 1.\n");
+					qla82xx_wr_32(ha,
+					    QLA82XX_CRB_NIU + 0x98,
+					    CRB_NIU_XG_PAUSE_CTL_P0|
+					    CRB_NIU_XG_PAUSE_CTL_P1);
+				}
 				ql_log(ql_log_info, base_vha, 0x101c,
 				    "Mailbox cmd timeout occured. "
 				    "Scheduling ISP abort eeh_busy=0x%x.\n",
@@ -318,7 +327,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-
+				if (IS_QLA82XX(ha)) {
+					ql_dbg(ql_dbg_mbx, vha, 0x112b,
+					    "disabling pause transmit on port "
+					    "0 & 1.\n");
+					qla82xx_wr_32(ha,
+					    QLA82XX_CRB_NIU + 0x98,
+					    CRB_NIU_XG_PAUSE_CTL_P0|
+					    CRB_NIU_XG_PAUSE_CTL_P1);
+				}
 				ql_log(ql_log_info, base_vha, 0x101e,
 				    "Mailbox cmd timeout occured. "
 				    "Scheduling ISP abort.\n");
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 94bded5ddce4..03554934b0a5 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3817,6 +3817,20 @@ exit:
 	return rval;
 }
 
+void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (ha->flags.mbox_busy) {
+		ha->flags.mbox_int = 1;
+		ha->flags.mbox_busy = 0;
+		ql_log(ql_log_warn, vha, 0x6010,
+		    "Doing premature completion of mbx command.\n");
+		if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
+			complete(&ha->mbx_intr_comp);
+	}
+}
+
 void qla82xx_watchdog(scsi_qla_host_t *vha)
 {
 	uint32_t dev_state, halt_status;
@@ -3839,9 +3853,13 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 			qla2xxx_wake_dpc(vha);
 		} else {
 			if (qla82xx_check_fw_alive(vha)) {
+				ql_dbg(ql_dbg_timer, vha, 0x6011,
+				    "disabling pause transmit on port 0 & 1.\n");
+				qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
+				    CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
 				halt_status = qla82xx_rd_32(ha,
 				    QLA82XX_PEG_HALT_STATUS1);
-				ql_dbg(ql_dbg_timer, vha, 0x6005,
+				ql_log(ql_log_info, vha, 0x6005,
 				    "dumping hw/fw registers:.\n "
 				    " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
 				    " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
@@ -3858,6 +3876,11 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 					    QLA82XX_CRB_PEG_NET_3 + 0x3c),
 				    qla82xx_rd_32(ha,
 					    QLA82XX_CRB_PEG_NET_4 + 0x3c));
+				if (LSW(MSB(halt_status)) == 0x67)
+					ql_log(ql_log_warn, vha, 0xb052,
+					    "Firmware aborted with "
+					    "error code 0x00006700. Device is "
+					    "being reset.\n");
 				if (halt_status & HALT_STATUS_UNRECOVERABLE) {
 					set_bit(ISP_UNRECOVERABLE,
 					    &vha->dpc_flags);
@@ -3869,16 +3892,8 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 				}
 				qla2xxx_wake_dpc(vha);
 				ha->flags.isp82xx_fw_hung = 1;
-				if (ha->flags.mbox_busy) {
-					ha->flags.mbox_int = 1;
-					ql_log(ql_log_warn, vha, 0x6007,
-					    "Due to FW hung, doing "
-					    "premature completion of mbx "
-					    "command.\n");
-					if (test_bit(MBX_INTR_WAIT,
-					    &ha->mbx_cmd_flags))
-						complete(&ha->mbx_intr_comp);
-				}
+				ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
+				qla82xx_clear_pending_mbx(vha);
 			}
 		}
 	}
@@ -4073,10 +4088,7 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
 			msleep(1000);
 			if (qla82xx_check_fw_alive(vha)) {
 				ha->flags.isp82xx_fw_hung = 1;
-				if (ha->flags.mbox_busy) {
-					ha->flags.mbox_int = 1;
-					complete(&ha->mbx_intr_comp);
-				}
+				qla82xx_clear_pending_mbx(vha);
 				break;
 			}
 		}
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 57820c199bc2..57a226be339a 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -1173,4 +1173,8 @@ struct qla82xx_md_entry_queue {
 
 static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
 	0x410000B8, 0x410000BC };
+
+#define CRB_NIU_XG_PAUSE_CTL_P0        0x1
+#define CRB_NIU_XG_PAUSE_CTL_P1        0x8
+
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fd14c7bfc626..f9e5b85e84d8 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -201,12 +201,12 @@ MODULE_PARM_DESC(ql2xmdcapmask,
 		"Set the Minidump driver capture mask level. "
 		"Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 
-int ql2xmdenable;
+int ql2xmdenable = 1;
 module_param(ql2xmdenable, int, S_IRUGO);
 MODULE_PARM_DESC(ql2xmdenable,
 		"Enable/disable MiniDump. "
-		"0 (Default) - MiniDump disabled. "
-		"1 - MiniDump enabled.");
+		"0 - MiniDump disabled. "
+		"1 (Default) - MiniDump enabled.");
 
 /*
  * SCSI host template entry points
@@ -423,6 +423,7 @@ fail2:
 	qla25xx_delete_queues(vha);
 	destroy_workqueue(ha->wq);
 	ha->wq = NULL;
+	vha->req = ha->req_q_map[0];
 fail:
 	ha->mqenable = 0;
 	kfree(ha->req_q_map);
@@ -814,49 +815,6 @@ qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 	return return_status;
 }
 
-/*
- * qla2x00_wait_for_loop_ready
- *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
- *    to be in LOOP_READY state.
- * Input:
- *     ha - pointer to host adapter structure
- *
- * Note:
- *    Does context switching-Release SPIN_LOCK
- *    (if any) before calling this routine.
- *
- *
- * Return:
- *    Success (LOOP_READY) : 0
- *    Failed  (LOOP_NOT_READY) : 1
- */
-static inline int
-qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
-{
-	int 	 return_status = QLA_SUCCESS;
-	unsigned long loop_timeout ;
-	struct qla_hw_data *ha = vha->hw;
-	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
-
-	/* wait for 5 min at the max for loop to be ready */
-	loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
-
-	while ((!atomic_read(&base_vha->loop_down_timer) &&
-	    atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
-	    atomic_read(&base_vha->loop_state) != LOOP_READY) {
-		if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
-			return_status = QLA_FUNCTION_FAILED;
-			break;
-		}
-		msleep(1000);
-		if (time_after_eq(jiffies, loop_timeout)) {
-			return_status = QLA_FUNCTION_FAILED;
-			break;
-		}
-	}
-	return (return_status);
-}
-
 static void
 sp_get(struct srb *sp)
 {
@@ -1035,12 +993,6 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 		    "Wait for hba online failed for cmd=%p.\n", cmd);
 		goto eh_reset_failed;
 	}
-	err = 1;
-	if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
-		ql_log(ql_log_warn, vha, 0x800b,
-		    "Wait for loop ready failed for cmd=%p.\n", cmd);
-		goto eh_reset_failed;
-	}
 	err = 2;
 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 		!= QLA_SUCCESS) {
@@ -1137,10 +1089,9 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 		goto eh_bus_reset_done;
 	}
 
-	if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
-		if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
-			ret = SUCCESS;
-	}
+	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
+		ret = SUCCESS;
+
 	if (ret == FAILED)
 		goto eh_bus_reset_done;
 
@@ -1206,15 +1157,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
 		goto eh_host_reset_lock;
 
-	/*
-	 * Fixme-may be dpc thread is active and processing
-	 * loop_resync,so wait a while for it to
-	 * be completed and then issue big hammer.Otherwise
-	 * it may cause I/O failure as big hammer marks the
-	 * devices as lost kicking of the port_down_timer
-	 * while dpc is stuck for the mailbox to complete.
-	 */
-	qla2x00_wait_for_loop_ready(vha);
 	if (vha != base_vha) {
 		if (qla2x00_vp_abort_isp(vha))
 			goto eh_host_reset_lock;
@@ -1297,16 +1239,13 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 		atomic_set(&vha->loop_state, LOOP_DOWN);
 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 		qla2x00_mark_all_devices_lost(vha, 0);
-		qla2x00_wait_for_loop_ready(vha);
 	}
 
 	if (ha->flags.enable_lip_reset) {
 		ret = qla2x00_lip_reset(vha);
-		if (ret != QLA_SUCCESS) {
+		if (ret != QLA_SUCCESS)
 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
 			    "lip_reset failed (%d).\n", ret);
-		} else
-			qla2x00_wait_for_loop_ready(vha);
 	}
 
 	/* Issue marker command only when we are going to start the I/O */
@@ -4070,13 +4009,8 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 		/* For ISP82XX complete any pending mailbox cmd */
 		if (IS_QLA82XX(ha)) {
 			ha->flags.isp82xx_fw_hung = 1;
-			if (ha->flags.mbox_busy) {
-				ha->flags.mbox_int = 1;
-				ql_dbg(ql_dbg_aer, vha, 0x9001,
-				    "Due to pci channel io frozen, doing premature "
-				    "completion of mbx command.\n");
-				complete(&ha->mbx_intr_comp);
-			}
+			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
+			qla82xx_clear_pending_mbx(vha);
 		}
 		qla2x00_free_irqs(vha);
 		pci_disable_device(pdev);
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 13b6357c1fa2..23f33a6d52d7 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.03.07.07-k"
+#define QLA2XXX_VERSION      "8.03.07.12-k"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	3
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index ace637bf254e..fd5edc6e166d 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -147,7 +147,7 @@
 #define ISCSI_ALIAS_SIZE		32	/* ISCSI Alias name size */
 #define ISCSI_NAME_SIZE			0xE0	/* ISCSI Name size */
 
-#define QL4_SESS_RECOVERY_TMO		30	/* iSCSI session */
+#define QL4_SESS_RECOVERY_TMO		120	/* iSCSI session */
 						/* recovery timeout */
 
 #define LSDW(x) ((u32)((u64)(x)))
@@ -173,6 +173,8 @@
 #define ISNS_DEREG_TOV			5
 #define HBA_ONLINE_TOV			30
 #define DISABLE_ACB_TOV			30
+#define IP_CONFIG_TOV			30
+#define LOGIN_TOV			12
 
 #define MAX_RESET_HA_RETRIES		2
 
@@ -240,6 +242,45 @@ struct ddb_entry {
 
 	uint16_t fw_ddb_index;	/* DDB firmware index */
 	uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
+	uint16_t ddb_type;
+#define FLASH_DDB 0x01
+
+	struct dev_db_entry fw_ddb_entry;
+	int (*unblock_sess)(struct iscsi_cls_session *cls_session);
+	int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			  struct ddb_entry *ddb_entry, uint32_t state);
+
+	/* Driver Re-login  */
+	unsigned long flags;		  /* DDB Flags */
+	uint16_t default_relogin_timeout; /*  Max time to wait for
+					   *  relogin to complete */
+	atomic_t retry_relogin_timer;	  /* Min Time between relogins
+					   * (4000 only) */
+	atomic_t relogin_timer;		  /* Max Time to wait for
+					   * relogin to complete */
+	atomic_t relogin_retry_count;	  /* Num of times relogin has been
+					   * retried */
+	uint32_t default_time2wait;	  /* Default Min time between
+					   * relogins (+aens) */
+
+};
+
+struct qla_ddb_index {
+	struct list_head list;
+	uint16_t fw_ddb_idx;
+	struct dev_db_entry fw_ddb;
+};
+
+#define DDB_IPADDR_LEN 64
+
+struct ql4_tuple_ddb {
+	int port;
+	int tpgt;
+	char ip_addr[DDB_IPADDR_LEN];
+	char iscsi_name[ISCSI_NAME_SIZE];
+	uint16_t options;
+#define DDB_OPT_IPV6 0x0e0e
+#define DDB_OPT_IPV4 0x0f0f
 };
 
 /*
@@ -411,7 +452,7 @@ struct scsi_qla_host {
 #define AF_FW_RECOVERY			19 /* 0x00080000 */
 #define AF_EEH_BUSY			20 /* 0x00100000 */
 #define AF_PCI_CHANNEL_IO_PERM_FAILURE	21 /* 0x00200000 */
-
+#define AF_BUILD_DDB_LIST		22 /* 0x00400000 */
 	unsigned long dpc_flags;
 
 #define DPC_RESET_HA			1 /* 0x00000002 */
@@ -604,6 +645,7 @@ struct scsi_qla_host {
 	uint16_t bootload_minor;
 	uint16_t bootload_patch;
 	uint16_t bootload_build;
+	uint16_t def_timeout; /* Default login timeout */
 
 	uint32_t flash_state;
 #define	QLFLASH_WAITING		0
@@ -623,6 +665,11 @@ struct scsi_qla_host {
 	uint16_t iscsi_pci_func_cnt;
 	uint8_t model_name[16];
 	struct completion disable_acb_comp;
+	struct dma_pool *fw_ddb_dma_pool;
+#define DDB_DMA_BLOCK_SIZE 512
+	uint16_t pri_ddb_idx;
+	uint16_t sec_ddb_idx;
+	int is_reset;
 };
 
 struct ql4_task_data {
@@ -835,6 +882,10 @@ static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
 /*---------------------------------------------------------------------------*/
 
 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
+
+#define INIT_ADAPTER    0
+#define RESET_ADAPTER   1
+
 #define PRESERVE_DDB_LIST	0
 #define REBUILD_DDB_LIST	1
 
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index cbd5a20dbbd1..4ac07f882521 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -12,6 +12,7 @@
 #define MAX_PRST_DEV_DB_ENTRIES		64
 #define MIN_DISC_DEV_DB_ENTRY		MAX_PRST_DEV_DB_ENTRIES
 #define MAX_DEV_DB_ENTRIES		512
+#define MAX_DEV_DB_ENTRIES_40XX		256
 
 /*************************************************************************
  *
@@ -604,6 +605,13 @@ struct addr_ctrl_blk {
 	uint8_t res14[140];	/* 274-2FF */
 };
 
+#define IP_ADDR_COUNT	4 /* Total 4 IP address supported in one interface
+			   * One IPv4, one IPv6 link local and 2 IPv6
+			   */
+
+#define IP_STATE_MASK	0x0F000000
+#define IP_STATE_SHIFT	24
+
 struct init_fw_ctrl_blk {
 	struct addr_ctrl_blk pri;
 /*	struct addr_ctrl_blk sec;*/
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 160db9d5ea21..d0dd4b330206 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -13,7 +13,7 @@ struct iscsi_cls_conn;
 int qla4xxx_hw_reset(struct scsi_qla_host *ha);
 int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
 int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb);
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha);
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset);
 int qla4xxx_soft_reset(struct scsi_qla_host *ha);
 irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
 
@@ -153,10 +153,13 @@ int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 			  uint32_t *mbx_sts);
 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index);
 int qla4xxx_send_passthru0(struct iscsi_task *task);
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha);
 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
 			  uint16_t stats_size, dma_addr_t stats_dma);
 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 				       struct ddb_entry *ddb_entry);
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+					     struct ddb_entry *ddb_entry);
 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
 			    struct dev_db_entry *fw_ddb_entry,
 			    dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
@@ -169,11 +172,22 @@ int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
 				     uint32_t region, uint32_t field0,
 				     uint32_t field1);
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index);
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			     struct ddb_entry *ddb_entry, uint32_t state);
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+		       struct ddb_entry *ddb_entry, uint32_t state);
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset);
 
 /* BSG Functions */
 int qla4xxx_bsg_request(struct bsg_job *bsg_job);
 int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
 
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry);
+
 extern int ql4xextended_error_logging;
 extern int ql4xdontresethba;
 extern int ql4xenablemsix;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 3075fbaef553..1bdfa8120ac8 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -773,22 +773,24 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha)
  * be freed so that when login happens from user space there are free DDB
  * indices available.
  **/
-static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 {
 	int max_ddbs;
 	int ret;
 	uint32_t idx = 0, next_idx = 0;
 	uint32_t state = 0, conn_err = 0;
 
-	max_ddbs =  is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
+	max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
 				     MAX_DEV_DB_ENTRIES;
 
 	for (idx = 0; idx < max_ddbs; idx = next_idx) {
 		ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
 					      &next_idx, &state, &conn_err,
 						NULL, NULL);
-		if (ret == QLA_ERROR)
+		if (ret == QLA_ERROR) {
+			next_idx++;
 			continue;
+		}
 		if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
 		    state == DDB_DS_SESSION_FAILED) {
 			DEBUG2(ql4_printk(KERN_INFO, ha,
@@ -804,7 +806,6 @@ static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 	}
 }
 
-
 /**
  * qla4xxx_initialize_adapter - initiailizes hba
  * @ha: Pointer to host adapter structure.
@@ -812,7 +813,7 @@ static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
  * This routine parforms all of the steps necessary to initialize the adapter.
  *
  **/
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
 {
 	int status = QLA_ERROR;
 
@@ -840,7 +841,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
 	if (status == QLA_ERROR)
 		goto exit_init_hba;
 
-	qla4xxx_free_ddb_index(ha);
+	if (is_reset == RESET_ADAPTER)
+		qla4xxx_build_ddb_list(ha, is_reset);
 
 	set_bit(AF_ONLINE, &ha->flags);
 exit_init_hba:
@@ -855,38 +857,12 @@ exit_init_hba:
 	return status;
 }
 
-/**
- * qla4xxx_process_ddb_changed - process ddb state change
- * @ha - Pointer to host adapter structure.
- * @fw_ddb_index - Firmware's device database index
- * @state - Device state
- *
- * This routine processes a Decive Database Changed AEN Event.
- **/
-int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
-		uint32_t state, uint32_t conn_err)
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+		       struct ddb_entry *ddb_entry, uint32_t state)
 {
-	struct ddb_entry * ddb_entry;
 	uint32_t old_fw_ddb_device_state;
 	int status = QLA_ERROR;
 
-	/* check for out of range index */
-	if (fw_ddb_index >= MAX_DDB_ENTRIES)
-		goto exit_ddb_event;
-
-	/* Get the corresponging ddb entry */
-	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
-	/* Device does not currently exist in our database. */
-	if (ddb_entry == NULL) {
-		ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
-			   __func__, fw_ddb_index);
-
-		if (state == DDB_DS_NO_CONNECTION_ACTIVE)
-			clear_bit(fw_ddb_index, ha->ddb_idx_map);
-
-		goto exit_ddb_event;
-	}
-
 	old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
 	DEBUG2(ql4_printk(KERN_INFO, ha,
 			  "%s: DDB - old state = 0x%x, new state = 0x%x for "
@@ -900,9 +876,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		switch (state) {
 		case DDB_DS_SESSION_ACTIVE:
 		case DDB_DS_DISCOVERY:
-			iscsi_conn_start(ddb_entry->conn);
-			iscsi_conn_login_event(ddb_entry->conn,
-					       ISCSI_CONN_STATE_LOGGED_IN);
+			ddb_entry->unblock_sess(ddb_entry->sess);
 			qla4xxx_update_session_conn_param(ha, ddb_entry);
 			status = QLA_SUCCESS;
 			break;
@@ -936,9 +910,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		switch (state) {
 		case DDB_DS_SESSION_ACTIVE:
 		case DDB_DS_DISCOVERY:
-			iscsi_conn_start(ddb_entry->conn);
-			iscsi_conn_login_event(ddb_entry->conn,
-					       ISCSI_CONN_STATE_LOGGED_IN);
+			ddb_entry->unblock_sess(ddb_entry->sess);
 			qla4xxx_update_session_conn_param(ha, ddb_entry);
 			status = QLA_SUCCESS;
 			break;
@@ -954,7 +926,198 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 				__func__));
 		break;
 	}
+	return status;
+}
+
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
+{
+	/*
+	 * This triggers a relogin.  After the relogin_timer
+	 * expires, the relogin gets scheduled.  We must wait a
+	 * minimum amount of time since receiving an 0x8014 AEN
+	 * with failed device_state or a logout response before
+	 * we can issue another relogin.
+	 *
+	 * Firmware pads this timeout: (time2wait +1).
+	 * Driver retry to login should be longer than F/W.
+	 * Otherwise F/W will fail
+	 * set_ddb() mbx cmd with 0x4005 since it still
+	 * counting down its time2wait.
+	 */
+	atomic_set(&ddb_entry->relogin_timer, 0);
+	atomic_set(&ddb_entry->retry_relogin_timer,
+		   ddb_entry->default_time2wait + 4);
+
+}
+
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			     struct ddb_entry *ddb_entry, uint32_t state)
+{
+	uint32_t old_fw_ddb_device_state;
+	int status = QLA_ERROR;
+
+	old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "%s: DDB - old state = 0x%x, new state = 0x%x for "
+			  "index [%d]\n", __func__,
+			  ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+
+	ddb_entry->fw_ddb_device_state = state;
+
+	switch (old_fw_ddb_device_state) {
+	case DDB_DS_LOGIN_IN_PROCESS:
+	case DDB_DS_NO_CONNECTION_ACTIVE:
+		switch (state) {
+		case DDB_DS_SESSION_ACTIVE:
+			ddb_entry->unblock_sess(ddb_entry->sess);
+			qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_SESSION_FAILED:
+			iscsi_block_session(ddb_entry->sess);
+			if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+				qla4xxx_arm_relogin_timer(ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	case DDB_DS_SESSION_ACTIVE:
+		switch (state) {
+		case DDB_DS_SESSION_FAILED:
+			iscsi_block_session(ddb_entry->sess);
+			if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+				qla4xxx_arm_relogin_timer(ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	case DDB_DS_SESSION_FAILED:
+		switch (state) {
+		case DDB_DS_SESSION_ACTIVE:
+			ddb_entry->unblock_sess(ddb_entry->sess);
+			qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_SESSION_FAILED:
+			if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+				qla4xxx_arm_relogin_timer(ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	default:
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+				  __func__));
+		break;
+	}
+	return status;
+}
+
+/**
+ * qla4xxx_process_ddb_changed - process ddb state change
+ * @ha - Pointer to host adapter structure.
+ * @fw_ddb_index - Firmware's device database index
+ * @state - Device state
+ *
+ * This routine processes a Decive Database Changed AEN Event.
+ **/
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
+				uint32_t fw_ddb_index,
+				uint32_t state, uint32_t conn_err)
+{
+	struct ddb_entry *ddb_entry;
+	int status = QLA_ERROR;
+
+	/* check for out of range index */
+	if (fw_ddb_index >= MAX_DDB_ENTRIES)
+		goto exit_ddb_event;
+
+	/* Get the corresponging ddb entry */
+	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
+	/* Device does not currently exist in our database. */
+	if (ddb_entry == NULL) {
+		ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
+			   __func__, fw_ddb_index);
+
+		if (state == DDB_DS_NO_CONNECTION_ACTIVE)
+			clear_bit(fw_ddb_index, ha->ddb_idx_map);
+
+		goto exit_ddb_event;
+	}
+
+	ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
 
 exit_ddb_event:
 	return status;
 }
+
+/**
+ * qla4xxx_login_flash_ddb - Login to target (DDB)
+ * @cls_session: Pointer to the session to login
+ *
+ * This routine logins to the target.
+ * Issues setddb and conn open mbx
+ **/
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+	struct dev_db_entry *fw_ddb_entry = NULL;
+	dma_addr_t fw_ddb_dma;
+	uint32_t mbx_sts = 0;
+	int ret;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha =  ddb_entry->ha;
+
+	if (!test_bit(AF_LINK_UP, &ha->flags))
+		return;
+
+	if (ddb_entry->ddb_type != FLASH_DDB) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Skipping login to non FLASH DB"));
+		goto exit_login;
+	}
+
+	fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+				      &fw_ddb_dma);
+	if (fw_ddb_entry == NULL) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+		goto exit_login;
+	}
+
+	if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
+		ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
+		if (ret == QLA_ERROR)
+			goto exit_login;
+
+		ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
+		ha->tot_ddbs++;
+	}
+
+	memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
+	       sizeof(struct dev_db_entry));
+	ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
+
+	ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+				    fw_ddb_dma, &mbx_sts);
+	if (ret == QLA_ERROR) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
+		goto exit_login;
+	}
+
+	ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
+	ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
+	if (ret == QLA_ERROR) {
+		ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+			   sess->targetname);
+		goto exit_login;
+	}
+
+exit_login:
+	if (fw_ddb_entry)
+		dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
+
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 4c2b84870392..c2593782fbbe 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -41,6 +41,16 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
 		return status;
 	}
 
+	if (is_qla40XX(ha)) {
+		if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
+			DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
+					  "prematurely completing mbx cmd as "
+					  "adapter removal detected\n",
+					  ha->host_no, __func__));
+			return status;
+		}
+	}
+
 	if (is_qla8022(ha)) {
 		if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
 			DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
@@ -413,6 +423,7 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 	memcpy(ha->name_string, init_fw_cb->iscsi_name,
 		min(sizeof(ha->name_string),
 		sizeof(init_fw_cb->iscsi_name)));
+	ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
 	/*memcpy(ha->alias, init_fw_cb->Alias,
 	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 30f31b127f33..4169c8baa112 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -8,6 +8,7 @@
 #include <linux/slab.h>
 #include <linux/blkdev.h>
 #include <linux/iscsi_boot_sysfs.h>
+#include <linux/inet.h>
 
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
@@ -31,6 +32,13 @@ static struct kmem_cache *srb_cachep;
 /*
  * Module parameter information and variables
  */
+int ql4xdisablesysfsboot = 1;
+module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql4xdisablesysfsboot,
+		"Set to disable exporting boot targets to sysfs\n"
+		" 0 - Export boot targets\n"
+		" 1 - Do not export boot targets (Default)");
+
 int ql4xdontresethba = 0;
 module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(ql4xdontresethba,
@@ -63,7 +71,7 @@ static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
 module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
 MODULE_PARM_DESC(ql4xsess_recovery_tmo,
 		"Target Session Recovery Timeout.\n"
-		" Default: 30 sec.");
+		" Default: 120 sec.");
 
 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
 /*
@@ -415,7 +423,7 @@ static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
 	qla_ep = ep->dd_data;
 	ha = to_qla_host(qla_ep->host);
 
-	if (adapter_up(ha))
+	if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
 		ret = 1;
 
 	return ret;
@@ -975,6 +983,150 @@ static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
 
 }
 
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
+{
+	uint32_t mbx_sts = 0;
+	uint16_t tmp_ddb_index;
+	int ret;
+
+get_ddb_index:
+	tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+
+	if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Free DDB index not available\n"));
+		ret = QLA_ERROR;
+		goto exit_get_ddb_index;
+	}
+
+	if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
+		goto get_ddb_index;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Found a free DDB index at %d\n", tmp_ddb_index));
+	ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
+	if (ret == QLA_ERROR) {
+		if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
+			ql4_printk(KERN_INFO, ha,
+				   "DDB index = %d not available trying next\n",
+				   tmp_ddb_index);
+			goto get_ddb_index;
+		}
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Free FW DDB not available\n"));
+	}
+
+	*ddb_index = tmp_ddb_index;
+
+exit_get_ddb_index:
+	return ret;
+}
+
+static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
+				   struct ddb_entry *ddb_entry,
+				   char *existing_ipaddr,
+				   char *user_ipaddr)
+{
+	uint8_t dst_ipaddr[IPv6_ADDR_LEN];
+	char formatted_ipaddr[DDB_IPADDR_LEN];
+	int status = QLA_SUCCESS, ret = 0;
+
+	if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
+		ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+			       '\0', NULL);
+		if (ret == 0) {
+			status = QLA_ERROR;
+			goto out_match;
+		}
+		ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
+	} else {
+		ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+			       '\0', NULL);
+		if (ret == 0) {
+			status = QLA_ERROR;
+			goto out_match;
+		}
+		ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
+	}
+
+	if (strcmp(existing_ipaddr, formatted_ipaddr))
+		status = QLA_ERROR;
+
+out_match:
+	return status;
+}
+
+static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
+				      struct iscsi_cls_conn *cls_conn)
+{
+	int idx = 0, max_ddbs, rval;
+	struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+	struct iscsi_session *sess, *existing_sess;
+	struct iscsi_conn *conn, *existing_conn;
+	struct ddb_entry *ddb_entry;
+
+	sess = cls_sess->dd_data;
+	conn = cls_conn->dd_data;
+
+	if (sess->targetname == NULL ||
+	    conn->persistent_address == NULL ||
+	    conn->persistent_port == 0)
+		return QLA_ERROR;
+
+	max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+				     MAX_DEV_DB_ENTRIES;
+
+	for (idx = 0; idx < max_ddbs; idx++) {
+		ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+		if (ddb_entry == NULL)
+			continue;
+
+		if (ddb_entry->ddb_type != FLASH_DDB)
+			continue;
+
+		existing_sess = ddb_entry->sess->dd_data;
+		existing_conn = ddb_entry->conn->dd_data;
+
+		if (existing_sess->targetname == NULL ||
+		    existing_conn->persistent_address == NULL ||
+		    existing_conn->persistent_port == 0)
+			continue;
+
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "IQN = %s User IQN = %s\n",
+				  existing_sess->targetname,
+				  sess->targetname));
+
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "IP = %s User IP = %s\n",
+				  existing_conn->persistent_address,
+				  conn->persistent_address));
+
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Port = %d User Port = %d\n",
+				  existing_conn->persistent_port,
+				  conn->persistent_port));
+
+		if (strcmp(existing_sess->targetname, sess->targetname))
+			continue;
+		rval = qla4xxx_match_ipaddress(ha, ddb_entry,
+					existing_conn->persistent_address,
+					conn->persistent_address);
+		if (rval == QLA_ERROR)
+			continue;
+		if (existing_conn->persistent_port != conn->persistent_port)
+			continue;
+		break;
+	}
+
+	if (idx == max_ddbs)
+		return QLA_ERROR;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Match found in fwdb sessions\n"));
+	return QLA_SUCCESS;
+}
+
 static struct iscsi_cls_session *
 qla4xxx_session_create(struct iscsi_endpoint *ep,
 			uint16_t cmds_max, uint16_t qdepth,
@@ -984,8 +1136,7 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
 	struct scsi_qla_host *ha;
 	struct qla_endpoint *qla_ep;
 	struct ddb_entry *ddb_entry;
-	uint32_t ddb_index;
-	uint32_t mbx_sts = 0;
+	uint16_t ddb_index;
 	struct iscsi_session *sess;
 	struct sockaddr *dst_addr;
 	int ret;
@@ -1000,32 +1151,9 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
 	dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
 	ha = to_qla_host(qla_ep->host);
 
-get_ddb_index:
-	ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
-
-	if (ddb_index >= MAX_DDB_ENTRIES) {
-		DEBUG2(ql4_printk(KERN_INFO, ha,
-				  "Free DDB index not available\n"));
-		return NULL;
-	}
-
-	if (test_and_set_bit(ddb_index, ha->ddb_idx_map))
-		goto get_ddb_index;
-
-	DEBUG2(ql4_printk(KERN_INFO, ha,
-			  "Found a free DDB index at %d\n", ddb_index));
-	ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts);
-	if (ret == QLA_ERROR) {
-		if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
-			ql4_printk(KERN_INFO, ha,
-				   "DDB index = %d not available trying next\n",
-				   ddb_index);
-			goto get_ddb_index;
-		}
-		DEBUG2(ql4_printk(KERN_INFO, ha,
-				  "Free FW DDB not available\n"));
+	ret = qla4xxx_get_ddb_index(ha, &ddb_index);
+	if (ret == QLA_ERROR)
 		return NULL;
-	}
 
 	cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
 				       cmds_max, sizeof(struct ddb_entry),
@@ -1040,6 +1168,8 @@ get_ddb_index:
 	ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
 	ddb_entry->ha = ha;
 	ddb_entry->sess = cls_sess;
+	ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
+	ddb_entry->ddb_change = qla4xxx_ddb_change;
 	cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
 	ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
 	ha->tot_ddbs++;
@@ -1077,6 +1207,9 @@ qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
 	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
 	cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
 				    conn_idx);
+	if (!cls_conn)
+		return NULL;
+
 	sess = cls_sess->dd_data;
 	ddb_entry = sess->dd_data;
 	ddb_entry->conn = cls_conn;
@@ -1109,7 +1242,7 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
 	struct iscsi_session *sess;
 	struct ddb_entry *ddb_entry;
 	struct scsi_qla_host *ha;
-	struct dev_db_entry *fw_ddb_entry;
+	struct dev_db_entry *fw_ddb_entry = NULL;
 	dma_addr_t fw_ddb_entry_dma;
 	uint32_t mbx_sts = 0;
 	int ret = 0;
@@ -1120,12 +1253,25 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
 	ddb_entry = sess->dd_data;
 	ha = ddb_entry->ha;
 
+	/* Check if we have  matching FW DDB, if yes then do not
+	 * login to this target. This could cause target to logout previous
+	 * connection
+	 */
+	ret = qla4xxx_match_fwdb_session(ha, cls_conn);
+	if (ret == QLA_SUCCESS) {
+		ql4_printk(KERN_INFO, ha,
+			   "Session already exist in FW.\n");
+		ret = -EEXIST;
+		goto exit_conn_start;
+	}
+
 	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
 					  &fw_ddb_entry_dma, GFP_KERNEL);
 	if (!fw_ddb_entry) {
 		ql4_printk(KERN_ERR, ha,
 			   "%s: Unable to allocate dma buffer\n", __func__);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto exit_conn_start;
 	}
 
 	ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
@@ -1138,9 +1284,7 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
 		if (mbx_sts)
 			if (ddb_entry->fw_ddb_device_state ==
 						DDB_DS_SESSION_ACTIVE) {
-				iscsi_conn_start(ddb_entry->conn);
-				iscsi_conn_login_event(ddb_entry->conn,
-						ISCSI_CONN_STATE_LOGGED_IN);
+				ddb_entry->unblock_sess(ddb_entry->sess);
 				goto exit_set_param;
 			}
 
@@ -1167,8 +1311,9 @@ exit_set_param:
 	ret = 0;
 
 exit_conn_start:
-	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
-			  fw_ddb_entry, fw_ddb_entry_dma);
+	if (fw_ddb_entry)
+		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+				  fw_ddb_entry, fw_ddb_entry_dma);
 	return ret;
 }
 
@@ -1344,6 +1489,101 @@ static int qla4xxx_task_xmit(struct iscsi_task *task)
 	return -ENOSYS;
 }
 
+static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
+				     struct dev_db_entry *fw_ddb_entry,
+				     struct iscsi_cls_session *cls_sess,
+				     struct iscsi_cls_conn *cls_conn)
+{
+	int buflen = 0;
+	struct iscsi_session *sess;
+	struct iscsi_conn *conn;
+	char ip_addr[DDB_IPADDR_LEN];
+	uint16_t options = 0;
+
+	sess = cls_sess->dd_data;
+	conn = cls_conn->dd_data;
+
+	conn->max_recv_dlength = BYTE_UNITS *
+			  le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
+
+	conn->max_xmit_dlength = BYTE_UNITS *
+			  le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
+
+	sess->initial_r2t_en =
+			    (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+	sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
+
+	sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+	sess->first_burst = BYTE_UNITS *
+			       le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
+
+	sess->max_burst = BYTE_UNITS *
+				 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
+
+	sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
+	sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
+
+	conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
+
+	sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+
+	options = le16_to_cpu(fw_ddb_entry->options);
+	if (options & DDB_OPT_IPV6_DEVICE)
+		sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+	else
+		sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+	iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
+			(char *)fw_ddb_entry->iscsi_name, buflen);
+	iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
+			(char *)ha->name_string, buflen);
+	iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
+			(char *)ip_addr, buflen);
+}
+
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+					     struct ddb_entry *ddb_entry)
+{
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_cls_conn *cls_conn;
+	uint32_t ddb_state;
+	dma_addr_t fw_ddb_entry_dma;
+	struct dev_db_entry *fw_ddb_entry;
+
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+					  &fw_ddb_entry_dma, GFP_KERNEL);
+	if (!fw_ddb_entry) {
+		ql4_printk(KERN_ERR, ha,
+			   "%s: Unable to allocate dma buffer\n", __func__);
+		goto exit_session_conn_fwddb_param;
+	}
+
+	if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
+				    fw_ddb_entry_dma, NULL, NULL, &ddb_state,
+				    NULL, NULL, NULL) == QLA_ERROR) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+				  "get_ddb_entry for fw_ddb_index %d\n",
+				  ha->host_no, __func__,
+				  ddb_entry->fw_ddb_index));
+		goto exit_session_conn_fwddb_param;
+	}
+
+	cls_sess = ddb_entry->sess;
+
+	cls_conn = ddb_entry->conn;
+
+	/* Update params */
+	qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
+
+exit_session_conn_fwddb_param:
+	if (fw_ddb_entry)
+		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+				  fw_ddb_entry, fw_ddb_entry_dma);
+}
+
 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 				       struct ddb_entry *ddb_entry)
 {
@@ -1360,7 +1600,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 	if (!fw_ddb_entry) {
 		ql4_printk(KERN_ERR, ha,
 			   "%s: Unable to allocate dma buffer\n", __func__);
-		return;
+		goto exit_session_conn_param;
 	}
 
 	if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
@@ -1370,7 +1610,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 				  "get_ddb_entry for fw_ddb_index %d\n",
 				  ha->host_no, __func__,
 				  ddb_entry->fw_ddb_index));
-		return;
+		goto exit_session_conn_param;
 	}
 
 	cls_sess = ddb_entry->sess;
@@ -1379,6 +1619,12 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 	cls_conn = ddb_entry->conn;
 	conn = cls_conn->dd_data;
 
+	/* Update timers after login */
+	ddb_entry->default_relogin_timeout =
+				le16_to_cpu(fw_ddb_entry->def_timeout);
+	ddb_entry->default_time2wait =
+				le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
 	/* Update params */
 	conn->max_recv_dlength = BYTE_UNITS *
 			  le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
@@ -1407,6 +1653,11 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 
 	memcpy(sess->initiatorname, ha->name_string,
 	       min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
+
+exit_session_conn_param:
+	if (fw_ddb_entry)
+		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+				  fw_ddb_entry, fw_ddb_entry_dma);
 }
 
 /*
@@ -1607,6 +1858,9 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
 		vfree(ha->chap_list);
 	ha->chap_list = NULL;
 
+	if (ha->fw_ddb_dma_pool)
+		dma_pool_destroy(ha->fw_ddb_dma_pool);
+
 	/* release io space registers  */
 	if (is_qla8022(ha)) {
 		if (ha->nx_pcibase)
@@ -1689,6 +1943,16 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
 		goto mem_alloc_error_exit;
 	}
 
+	ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
+					      DDB_DMA_BLOCK_SIZE, 8, 0);
+
+	if (ha->fw_ddb_dma_pool == NULL) {
+		ql4_printk(KERN_WARNING, ha,
+			   "%s: fw_ddb_dma_pool allocation failed..\n",
+			   __func__);
+		goto mem_alloc_error_exit;
+	}
+
 	return QLA_SUCCESS;
 
 mem_alloc_error_exit:
@@ -1800,6 +2064,60 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
 	}
 }
 
+void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	if (!(ddb_entry->ddb_type == FLASH_DDB))
+		return;
+
+	if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
+	    !iscsi_is_session_online(cls_sess)) {
+		if (atomic_read(&ddb_entry->retry_relogin_timer) !=
+		    INVALID_ENTRY) {
+			if (atomic_read(&ddb_entry->retry_relogin_timer) ==
+					0) {
+				atomic_set(&ddb_entry->retry_relogin_timer,
+					   INVALID_ENTRY);
+				set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+				set_bit(DF_RELOGIN, &ddb_entry->flags);
+				DEBUG2(ql4_printk(KERN_INFO, ha,
+				       "%s: index [%d] login device\n",
+					__func__, ddb_entry->fw_ddb_index));
+			} else
+				atomic_dec(&ddb_entry->retry_relogin_timer);
+		}
+	}
+
+	/* Wait for relogin to timeout */
+	if (atomic_read(&ddb_entry->relogin_timer) &&
+	    (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
+		/*
+		 * If the relogin times out and the device is
+		 * still NOT ONLINE then try and relogin again.
+		 */
+		if (!iscsi_is_session_online(cls_sess)) {
+			/* Reset retry relogin timer */
+			atomic_inc(&ddb_entry->relogin_retry_count);
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+				"%s: index[%d] relogin timed out-retrying"
+				" relogin (%d), retry (%d)\n", __func__,
+				ddb_entry->fw_ddb_index,
+				atomic_read(&ddb_entry->relogin_retry_count),
+				ddb_entry->default_time2wait + 4));
+			set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+			atomic_set(&ddb_entry->retry_relogin_timer,
+				   ddb_entry->default_time2wait + 4);
+		}
+	}
+}
+
 /**
  * qla4xxx_timer - checks every second for work to do.
  * @ha: Pointer to host adapter structure.
@@ -1809,6 +2127,8 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
 	int start_dpc = 0;
 	uint16_t w;
 
+	iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
+
 	/* If we are in the middle of AER/EEH processing
 	 * skip any processing and reschedule the timer
 	 */
@@ -2078,7 +2398,12 @@ static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
 	sess = cls_session->dd_data;
 	ddb_entry = sess->dd_data;
 	ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
-	iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+
+	if (ddb_entry->ddb_type == FLASH_DDB)
+		iscsi_block_session(ddb_entry->sess);
+	else
+		iscsi_session_failure(cls_session->dd_data,
+				      ISCSI_ERR_CONN_FAILED);
 }
 
 /**
@@ -2163,7 +2488,7 @@ recover_ha_init_adapter:
 
 		/* NOTE: AF_ONLINE flag set upon successful completion of
 		 *       qla4xxx_initialize_adapter */
-		status = qla4xxx_initialize_adapter(ha);
+		status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
 	}
 
 	/* Retry failed adapter initialization, if necessary
@@ -2245,17 +2570,108 @@ static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
 			iscsi_unblock_session(ddb_entry->sess);
 		} else {
 			/* Trigger relogin */
-			iscsi_session_failure(cls_session->dd_data,
-					      ISCSI_ERR_CONN_FAILED);
+			if (ddb_entry->ddb_type == FLASH_DDB) {
+				if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+					qla4xxx_arm_relogin_timer(ddb_entry);
+			} else
+				iscsi_session_failure(cls_session->dd_data,
+						      ISCSI_ERR_CONN_FAILED);
 		}
 	}
 }
 
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+	ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+		   " unblock session\n", ha->host_no, __func__,
+		   ddb_entry->fw_ddb_index);
+
+	iscsi_unblock_session(ddb_entry->sess);
+
+	/* Start scan target */
+	if (test_bit(AF_ONLINE, &ha->flags)) {
+		ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+			   " start scan\n", ha->host_no, __func__,
+			   ddb_entry->fw_ddb_index);
+		scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
+	}
+	return QLA_SUCCESS;
+}
+
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+	ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+		   " unblock user space session\n", ha->host_no, __func__,
+		   ddb_entry->fw_ddb_index);
+	iscsi_conn_start(ddb_entry->conn);
+	iscsi_conn_login_event(ddb_entry->conn,
+			       ISCSI_CONN_STATE_LOGGED_IN);
+
+	return QLA_SUCCESS;
+}
+
 static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
 {
 	iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
 }
 
+static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+	uint16_t relogin_timer;
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	relogin_timer = max(ddb_entry->default_relogin_timeout,
+			    (uint16_t)RELOGIN_TOV);
+	atomic_set(&ddb_entry->relogin_timer, relogin_timer);
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
+			  ddb_entry->fw_ddb_index, relogin_timer));
+
+	qla4xxx_login_flash_ddb(cls_sess);
+}
+
+static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	if (!(ddb_entry->ddb_type == FLASH_DDB))
+		return;
+
+	if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
+	    !iscsi_is_session_online(cls_sess)) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "relogin issued\n"));
+		qla4xxx_relogin_flash_ddb(cls_sess);
+	}
+}
+
 void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
 {
 	if (ha->dpc_thread)
@@ -2356,6 +2772,12 @@ dpc_post_reset_ha:
 	if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
 		qla4xxx_get_dhcp_ip_address(ha);
 
+	/* ---- relogin device? --- */
+	if (adapter_up(ha) &&
+	    test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
+		iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
+	}
+
 	/* ---- link change? --- */
 	if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
 		if (!test_bit(AF_LINK_UP, &ha->flags)) {
@@ -2368,8 +2790,12 @@ dpc_post_reset_ha:
 			 * fatal error recovery.  Therefore, the driver must
 			 * manually relogin to devices when recovering from
 			 * connection failures, logouts, expired KATO, etc. */
-
-			qla4xxx_relogin_all_devices(ha);
+			if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
+				qla4xxx_build_ddb_list(ha, ha->is_reset);
+				iscsi_host_for_each_session(ha->host,
+						qla4xxx_login_flash_ddb);
+			} else
+				qla4xxx_relogin_all_devices(ha);
 		}
 	}
 }
@@ -2867,6 +3293,9 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
 			  " target ID %d\n", __func__, ddb_index[0],
 			  ddb_index[1]));
 
+	ha->pri_ddb_idx = ddb_index[0];
+	ha->sec_ddb_idx = ddb_index[1];
+
 exit_boot_info_free:
 	dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
 exit_boot_info:
@@ -3034,6 +3463,9 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
 		return ret;
 	}
 
+	if (ql4xdisablesysfsboot)
+		return QLA_SUCCESS;
+
 	if (ddb_index[0] == 0xffff)
 		goto sec_target;
 
@@ -3066,7 +3498,15 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
 	struct iscsi_boot_kobj *boot_kobj;
 
 	if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
-		return 0;
+		return QLA_ERROR;
+
+	if (ql4xdisablesysfsboot) {
+		ql4_printk(KERN_INFO, ha,
+			   "%s: syfsboot disabled - driver will trigger login"
+			   "and publish session for discovery .\n", __func__);
+		return QLA_SUCCESS;
+	}
+
 
 	ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
 	if (!ha->boot_kset)
@@ -3108,7 +3548,7 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
 	if (!boot_kobj)
 		goto put_host;
 
-	return 0;
+	return QLA_SUCCESS;
 
 put_host:
 	scsi_host_put(ha->host);
@@ -3174,9 +3614,507 @@ static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
 exit_chap_list:
 	dma_free_coherent(&ha->pdev->dev, chap_size,
 			chap_flash_data, chap_dma);
-	return;
 }
 
+static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
+				  struct ql4_tuple_ddb *tddb)
+{
+	struct scsi_qla_host *ha;
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_session *sess;
+	struct iscsi_conn *conn;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	ha = ddb_entry->ha;
+	cls_sess = ddb_entry->sess;
+	sess = cls_sess->dd_data;
+	cls_conn = ddb_entry->conn;
+	conn = cls_conn->dd_data;
+
+	tddb->tpgt = sess->tpgt;
+	tddb->port = conn->persistent_port;
+	strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
+	strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
+}
+
+static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
+				      struct ql4_tuple_ddb *tddb)
+{
+	uint16_t options = 0;
+
+	tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+	memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
+	       min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
+
+	options = le16_to_cpu(fw_ddb_entry->options);
+	if (options & DDB_OPT_IPV6_DEVICE)
+		sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+	else
+		sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+	tddb->port = le16_to_cpu(fw_ddb_entry->port);
+}
+
+static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
+				     struct ql4_tuple_ddb *old_tddb,
+				     struct ql4_tuple_ddb *new_tddb)
+{
+	if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
+		return QLA_ERROR;
+
+	if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
+		return QLA_ERROR;
+
+	if (old_tddb->port != new_tddb->port)
+		return QLA_ERROR;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
+			  old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
+			  old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
+			  new_tddb->ip_addr, new_tddb->iscsi_name));
+
+	return QLA_SUCCESS;
+}
+
+static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
+				     struct dev_db_entry *fw_ddb_entry)
+{
+	struct ddb_entry *ddb_entry;
+	struct ql4_tuple_ddb *fw_tddb = NULL;
+	struct ql4_tuple_ddb *tmp_tddb = NULL;
+	int idx;
+	int ret = QLA_ERROR;
+
+	fw_tddb = vzalloc(sizeof(*fw_tddb));
+	if (!fw_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+	if (!tmp_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+	for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+		ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+		if (ddb_entry == NULL)
+			continue;
+
+		qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
+		if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+			ret = QLA_SUCCESS; /* found */
+			goto exit_check;
+		}
+	}
+
+exit_check:
+	if (fw_tddb)
+		vfree(fw_tddb);
+	if (tmp_tddb)
+		vfree(tmp_tddb);
+	return ret;
+}
+
+static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
+				       struct list_head *list_nt,
+				       struct dev_db_entry *fw_ddb_entry)
+{
+	struct qla_ddb_index  *nt_ddb_idx, *nt_ddb_idx_tmp;
+	struct ql4_tuple_ddb *fw_tddb = NULL;
+	struct ql4_tuple_ddb *tmp_tddb = NULL;
+	int ret = QLA_ERROR;
+
+	fw_tddb = vzalloc(sizeof(*fw_tddb));
+	if (!fw_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+	if (!tmp_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+	list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+		qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb);
+		if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+			ret = QLA_SUCCESS; /* found */
+			goto exit_check;
+		}
+	}
+
+exit_check:
+	if (fw_tddb)
+		vfree(fw_tddb);
+	if (tmp_tddb)
+		vfree(tmp_tddb);
+	return ret;
+}
+
+static void qla4xxx_free_nt_list(struct list_head *list_nt)
+{
+	struct qla_ddb_index  *nt_ddb_idx, *nt_ddb_idx_tmp;
+
+	/* Free up the normaltargets list */
+	list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+		list_del_init(&nt_ddb_idx->list);
+		vfree(nt_ddb_idx);
+	}
+
+}
+
+static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
+					struct dev_db_entry *fw_ddb_entry)
+{
+	struct iscsi_endpoint *ep;
+	struct sockaddr_in *addr;
+	struct sockaddr_in6 *addr6;
+	struct sockaddr *dst_addr;
+	char *ip;
+
+	/* TODO: need to destroy on unload iscsi_endpoint*/
+	dst_addr = vmalloc(sizeof(*dst_addr));
+	if (!dst_addr)
+		return NULL;
+
+	if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
+		dst_addr->sa_family = AF_INET6;
+		addr6 = (struct sockaddr_in6 *)dst_addr;
+		ip = (char *)&addr6->sin6_addr;
+		memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
+		addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
+
+	} else {
+		dst_addr->sa_family = AF_INET;
+		addr = (struct sockaddr_in *)dst_addr;
+		ip = (char *)&addr->sin_addr;
+		memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
+		addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
+	}
+
+	ep = qla4xxx_ep_connect(ha->host, dst_addr, 0);
+	vfree(dst_addr);
+	return ep;
+}
+
+static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
+{
+	if (ql4xdisablesysfsboot)
+		return QLA_SUCCESS;
+	if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
+		return QLA_ERROR;
+	return QLA_SUCCESS;
+}
+
+static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
+					  struct ddb_entry *ddb_entry)
+{
+	ddb_entry->ddb_type = FLASH_DDB;
+	ddb_entry->fw_ddb_index = INVALID_ENTRY;
+	ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
+	ddb_entry->ha = ha;
+	ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
+	ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+
+	atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
+	atomic_set(&ddb_entry->relogin_timer, 0);
+	atomic_set(&ddb_entry->relogin_retry_count, 0);
+
+	ddb_entry->default_relogin_timeout =
+		le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+	ddb_entry->default_time2wait =
+		le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
+}
+
+static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
+{
+	uint32_t idx = 0;
+	uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
+	uint32_t sts[MBOX_REG_COUNT];
+	uint32_t ip_state;
+	unsigned long wtime;
+	int ret;
+
+	wtime = jiffies + (HZ * IP_CONFIG_TOV);
+	do {
+		for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
+			if (ip_idx[idx] == -1)
+				continue;
+
+			ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
+
+			if (ret == QLA_ERROR) {
+				ip_idx[idx] = -1;
+				continue;
+			}
+
+			ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
+
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+					  "Waiting for IP state for idx = %d, state = 0x%x\n",
+					  ip_idx[idx], ip_state));
+			if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
+			    ip_state == IP_ADDRSTATE_INVALID ||
+			    ip_state == IP_ADDRSTATE_PREFERRED ||
+			    ip_state == IP_ADDRSTATE_DEPRICATED ||
+			    ip_state == IP_ADDRSTATE_DISABLING)
+				ip_idx[idx] = -1;
+
+		}
+
+		/* Break if all IP states checked */
+		if ((ip_idx[0] == -1) &&
+		    (ip_idx[1] == -1) &&
+		    (ip_idx[2] == -1) &&
+		    (ip_idx[3] == -1))
+			break;
+		schedule_timeout_uninterruptible(HZ);
+	} while (time_after(wtime, jiffies));
+}
+
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+{
+	int max_ddbs;
+	int ret;
+	uint32_t idx = 0, next_idx = 0;
+	uint32_t state = 0, conn_err = 0;
+	uint16_t conn_id;
+	struct dev_db_entry *fw_ddb_entry;
+	struct ddb_entry *ddb_entry = NULL;
+	dma_addr_t fw_ddb_dma;
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_session *sess;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_endpoint *ep;
+	uint16_t cmds_max = 32, tmo = 0;
+	uint32_t initial_cmdsn = 0;
+	struct list_head list_st, list_nt; /* List of sendtargets */
+	struct qla_ddb_index  *st_ddb_idx, *st_ddb_idx_tmp;
+	int fw_idx_size;
+	unsigned long wtime;
+	struct qla_ddb_index  *nt_ddb_idx;
+
+	if (!test_bit(AF_LINK_UP, &ha->flags)) {
+		set_bit(AF_BUILD_DDB_LIST, &ha->flags);
+		ha->is_reset = is_reset;
+		return;
+	}
+	max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+				     MAX_DEV_DB_ENTRIES;
+
+	fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+				      &fw_ddb_dma);
+	if (fw_ddb_entry == NULL) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+		goto exit_ddb_list;
+	}
+
+	INIT_LIST_HEAD(&list_st);
+	INIT_LIST_HEAD(&list_nt);
+	fw_idx_size = sizeof(struct qla_ddb_index);
+
+	for (idx = 0; idx < max_ddbs; idx = next_idx) {
+		ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+					      fw_ddb_dma, NULL,
+					      &next_idx, &state, &conn_err,
+					      NULL, &conn_id);
+		if (ret == QLA_ERROR)
+			break;
+
+		if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+			goto continue_next_st;
+
+		/* Check if ST, add to the list_st */
+		if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
+			goto continue_next_st;
+
+		st_ddb_idx = vzalloc(fw_idx_size);
+		if (!st_ddb_idx)
+			break;
+
+		st_ddb_idx->fw_ddb_idx = idx;
+
+		list_add_tail(&st_ddb_idx->list, &list_st);
+continue_next_st:
+		if (next_idx == 0)
+			break;
+	}
+
+	/* Before issuing conn open mbox, ensure all IPs states are configured
+	 * Note, conn open fails if IPs are not configured
+	 */
+	qla4xxx_wait_for_ip_configuration(ha);
+
+	/* Go thru the STs and fire the sendtargets by issuing conn open mbx */
+	list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+		qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
+	}
+
+	/* Wait to ensure all sendtargets are done for min 12 sec wait */
+	tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout);
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Default time to wait for build ddb %d\n", tmo));
+
+	wtime = jiffies + (HZ * tmo);
+	do {
+		list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st,
+					 list) {
+			ret = qla4xxx_get_fwddb_entry(ha,
+						      st_ddb_idx->fw_ddb_idx,
+						      NULL, 0, NULL, &next_idx,
+						      &state, &conn_err, NULL,
+						      NULL);
+			if (ret == QLA_ERROR)
+				continue;
+
+			if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+			    state == DDB_DS_SESSION_FAILED) {
+				list_del_init(&st_ddb_idx->list);
+				vfree(st_ddb_idx);
+			}
+		}
+		schedule_timeout_uninterruptible(HZ / 10);
+	} while (time_after(wtime, jiffies));
+
+	/* Free up the sendtargets list */
+	list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+		list_del_init(&st_ddb_idx->list);
+		vfree(st_ddb_idx);
+	}
+
+	for (idx = 0; idx < max_ddbs; idx = next_idx) {
+		ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+					      fw_ddb_dma, NULL,
+					      &next_idx, &state, &conn_err,
+					      NULL, &conn_id);
+		if (ret == QLA_ERROR)
+			break;
+
+		if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+			goto continue_next_nt;
+
+		/* Check if NT, then add to list it */
+		if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
+			goto continue_next_nt;
+
+		if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+		    state == DDB_DS_SESSION_FAILED) {
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+					  "Adding  DDB to session = 0x%x\n",
+					  idx));
+			if (is_reset == INIT_ADAPTER) {
+				nt_ddb_idx = vmalloc(fw_idx_size);
+				if (!nt_ddb_idx)
+					break;
+
+				nt_ddb_idx->fw_ddb_idx = idx;
+
+				memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
+				       sizeof(struct dev_db_entry));
+
+				if (qla4xxx_is_flash_ddb_exists(ha, &list_nt,
+						fw_ddb_entry) == QLA_SUCCESS) {
+					vfree(nt_ddb_idx);
+					goto continue_next_nt;
+				}
+				list_add_tail(&nt_ddb_idx->list, &list_nt);
+			} else if (is_reset == RESET_ADAPTER) {
+				if (qla4xxx_is_session_exists(ha,
+						   fw_ddb_entry) == QLA_SUCCESS)
+					goto continue_next_nt;
+			}
+
+			/* Create session object, with INVALID_ENTRY,
+			 * the targer_id would get set when we issue the login
+			 */
+			cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport,
+						ha->host, cmds_max,
+						sizeof(struct ddb_entry),
+						sizeof(struct ql4_task_data),
+						initial_cmdsn, INVALID_ENTRY);
+			if (!cls_sess)
+				goto exit_ddb_list;
+
+			/*
+			 * iscsi_session_setup increments the driver reference
+			 * count which wouldn't let the driver to be unloaded.
+			 * so calling module_put function to decrement the
+			 * reference count.
+			 **/
+			module_put(qla4xxx_iscsi_transport.owner);
+			sess = cls_sess->dd_data;
+			ddb_entry = sess->dd_data;
+			ddb_entry->sess = cls_sess;
+
+			cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
+			memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
+			       sizeof(struct dev_db_entry));
+
+			qla4xxx_setup_flash_ddb_entry(ha, ddb_entry);
+
+			cls_conn = iscsi_conn_setup(cls_sess,
+						    sizeof(struct qla_conn),
+						    conn_id);
+			if (!cls_conn)
+				goto exit_ddb_list;
+
+			ddb_entry->conn = cls_conn;
+
+			/* Setup ep, for displaying attributes in sysfs */
+			ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
+			if (ep) {
+				ep->conn = cls_conn;
+				cls_conn->ep = ep;
+			} else {
+				DEBUG2(ql4_printk(KERN_ERR, ha,
+						  "Unable to get ep\n"));
+			}
+
+			/* Update sess/conn params */
+			qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess,
+						 cls_conn);
+
+			if (is_reset == RESET_ADAPTER) {
+				iscsi_block_session(cls_sess);
+				/* Use the relogin path to discover new devices
+				 *  by short-circuting the logic of setting
+				 *  timer to relogin - instead set the flags
+				 *  to initiate login right away.
+				 */
+				set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+				set_bit(DF_RELOGIN, &ddb_entry->flags);
+			}
+		}
+continue_next_nt:
+		if (next_idx == 0)
+			break;
+	}
+exit_ddb_list:
+	qla4xxx_free_nt_list(&list_nt);
+	if (fw_ddb_entry)
+		dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+
+	qla4xxx_free_ddb_index(ha);
+}
+
+
 /**
  * qla4xxx_probe_adapter - callback function to probe HBA
  * @pdev: pointer to pci_dev structure
@@ -3298,7 +4236,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	 * firmware
 	 * NOTE: interrupts enabled upon successful completion
 	 */
-	status = qla4xxx_initialize_adapter(ha);
+	status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
 	while ((!test_bit(AF_ONLINE, &ha->flags)) &&
 	    init_retry_count++ < MAX_INIT_RETRIES) {
 
@@ -3319,7 +4257,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
 			continue;
 
-		status = qla4xxx_initialize_adapter(ha);
+		status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
 	}
 
 	if (!test_bit(AF_ONLINE, &ha->flags)) {
@@ -3386,12 +4324,16 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	       ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
 	       ha->patch_number, ha->build_number);
 
-	qla4xxx_create_chap_list(ha);
-
 	if (qla4xxx_setup_boot_info(ha))
 		ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
 			   __func__);
 
+		/* Perform the build ddb list and login to each */
+	qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
+	iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
+
+	qla4xxx_create_chap_list(ha);
+
 	qla4xxx_create_ifaces(ha);
 	return 0;
 
@@ -3449,6 +4391,38 @@ static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
 	}
 }
 
+static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
+{
+	struct ddb_entry *ddb_entry;
+	int options;
+	int idx;
+
+	for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+
+		ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+		if ((ddb_entry != NULL) &&
+		    (ddb_entry->ddb_type == FLASH_DDB)) {
+
+			options = LOGOUT_OPTION_CLOSE_SESSION;
+			if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
+			    == QLA_ERROR)
+				ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
+					   __func__);
+
+			qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+			/*
+			 * we have decremented the reference count of the driver
+			 * when we setup the session to have the driver unload
+			 * to be seamless without actually destroying the
+			 * session
+			 **/
+			try_module_get(qla4xxx_iscsi_transport.owner);
+			iscsi_destroy_endpoint(ddb_entry->conn->ep);
+			qla4xxx_free_ddb(ha, ddb_entry);
+			iscsi_session_teardown(ddb_entry->sess);
+		}
+	}
+}
 /**
  * qla4xxx_remove_adapter - calback function to remove adapter.
  * @pci_dev: PCI device pointer
@@ -3465,9 +4439,11 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
 	/* destroy iface from sysfs */
 	qla4xxx_destroy_ifaces(ha);
 
-	if (ha->boot_kset)
+	if ((!ql4xdisablesysfsboot) && ha->boot_kset)
 		iscsi_boot_destroy_kset(ha->boot_kset);
 
+	qla4xxx_destroy_fw_ddb_session(ha);
+
 	scsi_remove_host(ha->host);
 
 	qla4xxx_free_adapter(ha);
@@ -4115,7 +5091,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 
 		qla4_8xxx_idc_unlock(ha);
 		clear_bit(AF_FW_RECOVERY, &ha->flags);
-		rval = qla4xxx_initialize_adapter(ha);
+		rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
 		qla4_8xxx_idc_lock(ha);
 
 		if (rval != QLA_SUCCESS) {
@@ -4151,7 +5127,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 		if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
 		    QLA82XX_DEV_READY)) {
 			clear_bit(AF_FW_RECOVERY, &ha->flags);
-			rval = qla4xxx_initialize_adapter(ha);
+			rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
 			if (rval == QLA_SUCCESS) {
 				ret = qla4xxx_request_irqs(ha);
 				if (ret) {
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index c15347d3f532..5254e57968f5 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,4 +5,4 @@
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
 
-#define QLA4XXX_DRIVER_VERSION	"5.02.00-k8"
+#define QLA4XXX_DRIVER_VERSION	"5.02.00-k9"
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 84c934c0a545..520e8286db28 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -517,10 +517,14 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
 
 static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
 {
-	ssb_pcicore_fix_sprom_core_index(pc);
+	struct ssb_device *pdev = pc->dev;
+	struct ssb_bus *bus = pdev->bus;
+
+	if (bus->bustype == SSB_BUSTYPE_PCI)
+		ssb_pcicore_fix_sprom_core_index(pc);
 
 	/* Disable PCI interrupts. */
-	ssb_write32(pc->dev, SSB_INTVEC, 0);
+	ssb_write32(pdev, SSB_INTVEC, 0);
 
 	/* Additional PCIe always once-executed workarounds */
 	if (pc->dev->id.coreid == SSB_DEV_PCIE) {
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index fb2e89c3056c..5385da2e9cdb 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
 	{USB_DEVICE(0x0DF6, 0x0045)},
 	{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
 	{USB_DEVICE(0x0DF6, 0x004B)},
+	{USB_DEVICE(0x0DF6, 0x005D)},
 	{USB_DEVICE(0x0DF6, 0x0063)},
 	/* Sweex */
 	{USB_DEVICE(0x177F, 0x0154)},
diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index 3d1279c424a8..7eb56178fb64 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -54,6 +54,7 @@
 
 /* Bridge GPT id (1 - 4), DM Timer id (5 - 8) */
 #define DMT_ID(id) ((id) + 4)
+#define DM_TIMER_CLOCKS		4
 
 /* Bridge MCBSP id (6 - 10), OMAP Mcbsp id (0 - 4) */
 #define MCBSP_ID(id) ((id) - 6)
@@ -114,8 +115,13 @@ static s8 get_clk_type(u8 id)
  */
 void dsp_clk_exit(void)
 {
+	int i;
+
 	dsp_clock_disable_all(dsp_clocks);
 
+	for (i = 0; i < DM_TIMER_CLOCKS; i++)
+		omap_dm_timer_free(timer[i]);
+
 	clk_put(iva2_clk);
 	clk_put(ssi.sst_fck);
 	clk_put(ssi.ssr_fck);
@@ -130,9 +136,13 @@ void dsp_clk_exit(void)
 void dsp_clk_init(void)
 {
 	static struct platform_device dspbridge_device;
+	int i, id;
 
 	dspbridge_device.dev.bus = &platform_bus_type;
 
+	for (i = 0, id = 5; i < DM_TIMER_CLOCKS; i++, id++)
+		timer[i] = omap_dm_timer_request_specific(id);
+
 	iva2_clk = clk_get(&dspbridge_device.dev, "iva2_ck");
 	if (IS_ERR(iva2_clk))
 		dev_err(bridge, "failed to get iva2 clock %p\n", iva2_clk);
@@ -204,8 +214,7 @@ int dsp_clk_enable(enum dsp_clk_id clk_id)
 		clk_enable(iva2_clk);
 		break;
 	case GPT_CLK:
-		timer[clk_id - 1] =
-				omap_dm_timer_request_specific(DMT_ID(clk_id));
+		status = omap_dm_timer_start(timer[clk_id - 1]);
 		break;
 #ifdef CONFIG_OMAP_MCBSP
 	case MCBSP_CLK:
@@ -281,7 +290,7 @@ int dsp_clk_disable(enum dsp_clk_id clk_id)
 		clk_disable(iva2_clk);
 		break;
 	case GPT_CLK:
-		omap_dm_timer_free(timer[clk_id - 1]);
+		status = omap_dm_timer_stop(timer[clk_id - 1]);
 		break;
 #ifdef CONFIG_OMAP_MCBSP
 	case MCBSP_CLK:
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index c43c7e3421c8..76cfc6edecd9 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -24,11 +24,7 @@
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
-
-#ifdef MODULE
 #include <linux/module.h>
-#endif
-
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/moduleparam.h>
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e8c564a53346..a8078d0638fa 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1458,6 +1458,16 @@ static const struct usb_device_id acm_ids[] = {
 	},
 	{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
 	},
+	/* Motorola H24 HSPA module: */
+	{ USB_DEVICE(0x22b8, 0x2d91) }, /* modem                                */
+	{ USB_DEVICE(0x22b8, 0x2d92) }, /* modem           + diagnostics        */
+	{ USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port                      */
+	{ USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics        */
+	{ USB_DEVICE(0x22b8, 0x2d96) }, /* modem                         + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d97) }, /* modem           + diagnostics + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port               + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
+
 	{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
 	.driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
 					   data interface instead of
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 717ebc9ff941..600d82348511 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -264,7 +264,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
 		ret = -ENODEV;
 		goto err0;
 	}
-	dwc->revision = reg & DWC3_GSNPSREV_MASK;
+	dwc->revision = reg;
 
 	dwc3_core_soft_reset(dwc);
 
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 596a0b464e61..4dff83d2f265 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -130,9 +130,6 @@ ep_matches (
 			num_req_streams = ep_comp->bmAttributes & 0x1f;
 			if (num_req_streams > ep->max_streams)
 				return 0;
-			/* Update the ep_comp descriptor if needed */
-			if (num_req_streams != ep->max_streams)
-				ep_comp->bmAttributes = ep->max_streams;
 		}
 
 	}
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index c39d58860fa0..1a6f415c0d02 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2975,6 +2975,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
 	fsg_common_put(common);
 	usb_free_descriptors(fsg->function.descriptors);
 	usb_free_descriptors(fsg->function.hs_descriptors);
+	usb_free_descriptors(fsg->function.ss_descriptors);
 	kfree(fsg);
 }
 
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index a7dc1e1d45f2..2ac4ac2e4ef9 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -18,7 +18,7 @@
 
 #include "isp1760-hcd.h"
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
@@ -31,7 +31,7 @@
 #include <linux/pci.h>
 #endif
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 struct isp1760 {
 	struct usb_hcd *hcd;
 	int rst_gpio;
@@ -437,7 +437,7 @@ static int __init isp1760_init(void)
 	ret = platform_driver_register(&isp1760_plat_driver);
 	if (!ret)
 		any_ret = 0;
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 	ret = platform_driver_register(&isp1760_of_driver);
 	if (!ret)
 		any_ret = 0;
@@ -457,7 +457,7 @@ module_init(isp1760_init);
 static void __exit isp1760_exit(void)
 {
 	platform_driver_unregister(&isp1760_plat_driver);
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 	platform_driver_unregister(&isp1760_of_driver);
 #endif
 #ifdef CONFIG_PCI
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 60ddba8066ea..79cb0af779fa 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -774,6 +774,10 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 			if (musb->double_buffer_not_ok)
 				musb_writew(epio, MUSB_TXMAXP,
 						hw_ep->max_packet_sz_tx);
+			else if (can_bulk_split(musb, qh->type))
+				musb_writew(epio, MUSB_TXMAXP, packet_sz
+					| ((hw_ep->max_packet_sz_tx /
+						packet_sz) - 1) << 11);
 			else
 				musb_writew(epio, MUSB_TXMAXP,
 						qh->maxpacket |
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 053f86d70009..ad96a3896729 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -349,7 +349,7 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
 		if (mod->irq_attch)
 			intenb1 |= ATTCHE;
 
-		if (mod->irq_attch)
+		if (mod->irq_dtch)
 			intenb1 |= DTCHE;
 
 		if (mod->irq_sign)
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index bade761a1e52..7955de589951 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1267,6 +1267,7 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv)
 		dev_err(dev, "Failed to create hcd\n");
 		return -ENOMEM;
 	}
+	hcd->has_tt = 1; /* for low/full speed */
 
 	pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
 	if (!pipe_info) {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e3426602dc82..6dd64534fad0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -663,7 +663,12 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) },  /* E398 3G Modem */
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) },  /* E398 3G PC UI Interface */
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) },  /* E398 3G Application Interface */
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8e964b91c447..284798aaf8b1 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -166,7 +166,7 @@ retry:
 	/*
 	 * Get IO TLB memory from any location.
 	 */
-	xen_io_tlb_start = alloc_bootmem(bytes);
+	xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes));
 	if (!xen_io_tlb_start) {
 		m = "Cannot allocate Xen-SWIOTLB buffer!\n";
 		goto error;
@@ -179,7 +179,7 @@ retry:
 			       bytes,
 			       xen_io_tlb_nslabs);
 	if (rc) {
-		free_bootmem(__pa(xen_io_tlb_start), bytes);
+		free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
 		m = "Failed to get contiguous memory for DMA from Xen!\n"\
 		    "You either: don't have the permissions, do not have"\
 		    " enough free memory under 4GB, or the hypervisor memory"\
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index b3b8f2f3ad10..ede860f921df 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -621,15 +621,6 @@ static struct xenbus_watch *find_watch(const char *token)
 	return NULL;
 }
 
-static void xs_reset_watches(void)
-{
-	int err;
-
-	err = xs_error(xs_single(XBT_NIL, XS_RESET_WATCHES, "", NULL));
-	if (err && err != -EEXIST)
-		printk(KERN_WARNING "xs_reset_watches failed: %d\n", err);
-}
-
 /* Register callback to watch this node. */
 int register_xenbus_watch(struct xenbus_watch *watch)
 {
@@ -906,9 +897,5 @@ int xs_init(void)
 	if (IS_ERR(task))
 		return PTR_ERR(task);
 
-	/* shutdown watches for kexec boot */
-	if (xen_hvm_domain())
-		xs_reset_watches();
-
 	return 0;
 }
diff --git a/firmware/README.AddingFirmware b/firmware/README.AddingFirmware
index e24cd8986d8b..ea78c3a17eec 100644
--- a/firmware/README.AddingFirmware
+++ b/firmware/README.AddingFirmware
@@ -12,7 +12,7 @@ here.
 This directory is _NOT_ for adding arbitrary new firmware images. The
 place to add those is the separate linux-firmware repository:
 
-    git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git
+    git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
 
 That repository contains all these firmware images which have been
 extracted from older drivers, as well various new firmware images which
@@ -22,6 +22,7 @@ been permitted to redistribute under separate cover.
 To submit firmware to that repository, please send either a git binary
 diff or preferably a git pull request to:
       David Woodhouse <dwmw2@infradead.org>
+      Ben Hutchings <ben@decadent.org.uk>
 
 Your commit should include an update to the WHENCE file clearly
 identifying the licence under which the firmware is available, and
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 7ec14097fef1..0b394580d860 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -64,6 +64,8 @@ struct btrfs_worker_thread {
 	int idle;
 };
 
+static int __btrfs_start_workers(struct btrfs_workers *workers);
+
 /*
  * btrfs_start_workers uses kthread_run, which can block waiting for memory
  * for a very long time.  It will actually throttle on page writeback,
@@ -88,27 +90,10 @@ static void start_new_worker_func(struct btrfs_work *work)
 {
 	struct worker_start *start;
 	start = container_of(work, struct worker_start, work);
-	btrfs_start_workers(start->queue, 1);
+	__btrfs_start_workers(start->queue);
 	kfree(start);
 }
 
-static int start_new_worker(struct btrfs_workers *queue)
-{
-	struct worker_start *start;
-	int ret;
-
-	start = kzalloc(sizeof(*start), GFP_NOFS);
-	if (!start)
-		return -ENOMEM;
-
-	start->work.func = start_new_worker_func;
-	start->queue = queue;
-	ret = btrfs_queue_worker(queue->atomic_worker_start, &start->work);
-	if (ret)
-		kfree(start);
-	return ret;
-}
-
 /*
  * helper function to move a thread onto the idle list after it
  * has finished some requests.
@@ -153,12 +138,20 @@ static void check_busy_worker(struct btrfs_worker_thread *worker)
 static void check_pending_worker_creates(struct btrfs_worker_thread *worker)
 {
 	struct btrfs_workers *workers = worker->workers;
+	struct worker_start *start;
 	unsigned long flags;
 
 	rmb();
 	if (!workers->atomic_start_pending)
 		return;
 
+	start = kzalloc(sizeof(*start), GFP_NOFS);
+	if (!start)
+		return;
+
+	start->work.func = start_new_worker_func;
+	start->queue = workers;
+
 	spin_lock_irqsave(&workers->lock, flags);
 	if (!workers->atomic_start_pending)
 		goto out;
@@ -170,10 +163,11 @@ static void check_pending_worker_creates(struct btrfs_worker_thread *worker)
 
 	workers->num_workers_starting += 1;
 	spin_unlock_irqrestore(&workers->lock, flags);
-	start_new_worker(workers);
+	btrfs_queue_worker(workers->atomic_worker_start, &start->work);
 	return;
 
 out:
+	kfree(start);
 	spin_unlock_irqrestore(&workers->lock, flags);
 }
 
@@ -331,7 +325,7 @@ again:
 			run_ordered_completions(worker->workers, work);
 
 			check_pending_worker_creates(worker);
-
+			cond_resched();
 		}
 
 		spin_lock_irq(&worker->lock);
@@ -462,56 +456,55 @@ void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max,
  * starts new worker threads.  This does not enforce the max worker
  * count in case you need to temporarily go past it.
  */
-static int __btrfs_start_workers(struct btrfs_workers *workers,
-				 int num_workers)
+static int __btrfs_start_workers(struct btrfs_workers *workers)
 {
 	struct btrfs_worker_thread *worker;
 	int ret = 0;
-	int i;
 
-	for (i = 0; i < num_workers; i++) {
-		worker = kzalloc(sizeof(*worker), GFP_NOFS);
-		if (!worker) {
-			ret = -ENOMEM;
-			goto fail;
-		}
+	worker = kzalloc(sizeof(*worker), GFP_NOFS);
+	if (!worker) {
+		ret = -ENOMEM;
+		goto fail;
+	}
 
-		INIT_LIST_HEAD(&worker->pending);
-		INIT_LIST_HEAD(&worker->prio_pending);
-		INIT_LIST_HEAD(&worker->worker_list);
-		spin_lock_init(&worker->lock);
-
-		atomic_set(&worker->num_pending, 0);
-		atomic_set(&worker->refs, 1);
-		worker->workers = workers;
-		worker->task = kthread_run(worker_loop, worker,
-					   "btrfs-%s-%d", workers->name,
-					   workers->num_workers + i);
-		if (IS_ERR(worker->task)) {
-			ret = PTR_ERR(worker->task);
-			kfree(worker);
-			goto fail;
-		}
-		spin_lock_irq(&workers->lock);
-		list_add_tail(&worker->worker_list, &workers->idle_list);
-		worker->idle = 1;
-		workers->num_workers++;
-		workers->num_workers_starting--;
-		WARN_ON(workers->num_workers_starting < 0);
-		spin_unlock_irq(&workers->lock);
+	INIT_LIST_HEAD(&worker->pending);
+	INIT_LIST_HEAD(&worker->prio_pending);
+	INIT_LIST_HEAD(&worker->worker_list);
+	spin_lock_init(&worker->lock);
+
+	atomic_set(&worker->num_pending, 0);
+	atomic_set(&worker->refs, 1);
+	worker->workers = workers;
+	worker->task = kthread_run(worker_loop, worker,
+				   "btrfs-%s-%d", workers->name,
+				   workers->num_workers + 1);
+	if (IS_ERR(worker->task)) {
+		ret = PTR_ERR(worker->task);
+		kfree(worker);
+		goto fail;
 	}
+	spin_lock_irq(&workers->lock);
+	list_add_tail(&worker->worker_list, &workers->idle_list);
+	worker->idle = 1;
+	workers->num_workers++;
+	workers->num_workers_starting--;
+	WARN_ON(workers->num_workers_starting < 0);
+	spin_unlock_irq(&workers->lock);
+
 	return 0;
 fail:
-	btrfs_stop_workers(workers);
+	spin_lock_irq(&workers->lock);
+	workers->num_workers_starting--;
+	spin_unlock_irq(&workers->lock);
 	return ret;
 }
 
-int btrfs_start_workers(struct btrfs_workers *workers, int num_workers)
+int btrfs_start_workers(struct btrfs_workers *workers)
 {
 	spin_lock_irq(&workers->lock);
-	workers->num_workers_starting += num_workers;
+	workers->num_workers_starting++;
 	spin_unlock_irq(&workers->lock);
-	return __btrfs_start_workers(workers, num_workers);
+	return __btrfs_start_workers(workers);
 }
 
 /*
@@ -568,9 +561,10 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
 	struct btrfs_worker_thread *worker;
 	unsigned long flags;
 	struct list_head *fallback;
+	int ret;
 
-again:
 	spin_lock_irqsave(&workers->lock, flags);
+again:
 	worker = next_worker(workers);
 
 	if (!worker) {
@@ -584,7 +578,10 @@ again:
 			workers->num_workers_starting++;
 			spin_unlock_irqrestore(&workers->lock, flags);
 			/* we're below the limit, start another worker */
-			__btrfs_start_workers(workers, 1);
+			ret = __btrfs_start_workers(workers);
+			spin_lock_irqsave(&workers->lock, flags);
+			if (ret)
+				goto fallback;
 			goto again;
 		}
 	}
@@ -665,7 +662,7 @@ void btrfs_set_work_high_prio(struct btrfs_work *work)
 /*
  * places a struct btrfs_work into the pending queue of one of the kthreads
  */
-int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
+void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
 {
 	struct btrfs_worker_thread *worker;
 	unsigned long flags;
@@ -673,7 +670,7 @@ int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
 
 	/* don't requeue something already on a list */
 	if (test_and_set_bit(WORK_QUEUED_BIT, &work->flags))
-		goto out;
+		return;
 
 	worker = find_worker(workers);
 	if (workers->ordered) {
@@ -712,7 +709,4 @@ int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
 	if (wake)
 		wake_up_process(worker->task);
 	spin_unlock_irqrestore(&worker->lock, flags);
-
-out:
-	return 0;
 }
diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h
index 5077746cf85e..f34cc31fa3c9 100644
--- a/fs/btrfs/async-thread.h
+++ b/fs/btrfs/async-thread.h
@@ -109,8 +109,8 @@ struct btrfs_workers {
 	char *name;
 };
 
-int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work);
-int btrfs_start_workers(struct btrfs_workers *workers, int num_workers);
+void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work);
+int btrfs_start_workers(struct btrfs_workers *workers);
 int btrfs_stop_workers(struct btrfs_workers *workers);
 void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max,
 			struct btrfs_workers *async_starter);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 50634abef9b4..67385033323d 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2692,7 +2692,8 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 int btrfs_readpage(struct file *file, struct page *page);
 void btrfs_evict_inode(struct inode *inode);
 int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
-void btrfs_dirty_inode(struct inode *inode, int flags);
+int btrfs_dirty_inode(struct inode *inode);
+int btrfs_update_time(struct file *file);
 struct inode *btrfs_alloc_inode(struct super_block *sb);
 void btrfs_destroy_inode(struct inode *inode);
 int btrfs_drop_inode(struct inode *inode);
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 5b163572e0ca..9c1eccc2c503 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -640,8 +640,8 @@ static int btrfs_delayed_inode_reserve_metadata(
 	 * Now if src_rsv == delalloc_block_rsv we'll let it just steal since
 	 * we're accounted for.
 	 */
-	if (!trans->bytes_reserved &&
-	    src_rsv != &root->fs_info->delalloc_block_rsv) {
+	if (!src_rsv || (!trans->bytes_reserved &&
+	    src_rsv != &root->fs_info->delalloc_block_rsv)) {
 		ret = btrfs_block_rsv_add_noflush(root, dst_rsv, num_bytes);
 		/*
 		 * Since we're under a transaction reserve_metadata_bytes could
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 632f8f3cc9db..f44b3928dc2d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2194,19 +2194,27 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	fs_info->endio_meta_write_workers.idle_thresh = 2;
 	fs_info->readahead_workers.idle_thresh = 2;
 
-	btrfs_start_workers(&fs_info->workers, 1);
-	btrfs_start_workers(&fs_info->generic_worker, 1);
-	btrfs_start_workers(&fs_info->submit_workers, 1);
-	btrfs_start_workers(&fs_info->delalloc_workers, 1);
-	btrfs_start_workers(&fs_info->fixup_workers, 1);
-	btrfs_start_workers(&fs_info->endio_workers, 1);
-	btrfs_start_workers(&fs_info->endio_meta_workers, 1);
-	btrfs_start_workers(&fs_info->endio_meta_write_workers, 1);
-	btrfs_start_workers(&fs_info->endio_write_workers, 1);
-	btrfs_start_workers(&fs_info->endio_freespace_worker, 1);
-	btrfs_start_workers(&fs_info->delayed_workers, 1);
-	btrfs_start_workers(&fs_info->caching_workers, 1);
-	btrfs_start_workers(&fs_info->readahead_workers, 1);
+	/*
+	 * btrfs_start_workers can really only fail because of ENOMEM so just
+	 * return -ENOMEM if any of these fail.
+	 */
+	ret = btrfs_start_workers(&fs_info->workers);
+	ret |= btrfs_start_workers(&fs_info->generic_worker);
+	ret |= btrfs_start_workers(&fs_info->submit_workers);
+	ret |= btrfs_start_workers(&fs_info->delalloc_workers);
+	ret |= btrfs_start_workers(&fs_info->fixup_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_meta_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_meta_write_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_write_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_freespace_worker);
+	ret |= btrfs_start_workers(&fs_info->delayed_workers);
+	ret |= btrfs_start_workers(&fs_info->caching_workers);
+	ret |= btrfs_start_workers(&fs_info->readahead_workers);
+	if (ret) {
+		ret = -ENOMEM;
+		goto fail_sb_buffer;
+	}
 
 	fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
 	fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 2ad813674d77..f5fbe576d2ba 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2822,7 +2822,7 @@ out_free:
 	btrfs_release_path(path);
 out:
 	spin_lock(&block_group->lock);
-	if (!ret)
+	if (!ret && dcs == BTRFS_DC_SETUP)
 		block_group->cache_generation = trans->transid;
 	block_group->disk_cache_state = dcs;
 	spin_unlock(&block_group->lock);
@@ -4204,12 +4204,17 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_block_rsv *block_rsv = &root->fs_info->delalloc_block_rsv;
 	u64 to_reserve = 0;
+	u64 csum_bytes;
 	unsigned nr_extents = 0;
+	int extra_reserve = 0;
 	int flush = 1;
 	int ret;
 
+	/* Need to be holding the i_mutex here if we aren't free space cache */
 	if (btrfs_is_free_space_inode(root, inode))
 		flush = 0;
+	else
+		WARN_ON(!mutex_is_locked(&inode->i_mutex));
 
 	if (flush && btrfs_transaction_in_commit(root->fs_info))
 		schedule_timeout(1);
@@ -4220,11 +4225,9 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 	BTRFS_I(inode)->outstanding_extents++;
 
 	if (BTRFS_I(inode)->outstanding_extents >
-	    BTRFS_I(inode)->reserved_extents) {
+	    BTRFS_I(inode)->reserved_extents)
 		nr_extents = BTRFS_I(inode)->outstanding_extents -
 			BTRFS_I(inode)->reserved_extents;
-		BTRFS_I(inode)->reserved_extents += nr_extents;
-	}
 
 	/*
 	 * Add an item to reserve for updating the inode when we complete the
@@ -4232,11 +4235,12 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 	 */
 	if (!BTRFS_I(inode)->delalloc_meta_reserved) {
 		nr_extents++;
-		BTRFS_I(inode)->delalloc_meta_reserved = 1;
+		extra_reserve = 1;
 	}
 
 	to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents);
 	to_reserve += calc_csum_metadata_size(inode, num_bytes, 1);
+	csum_bytes = BTRFS_I(inode)->csum_bytes;
 	spin_unlock(&BTRFS_I(inode)->lock);
 
 	ret = reserve_metadata_bytes(root, block_rsv, to_reserve, flush);
@@ -4246,22 +4250,35 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 
 		spin_lock(&BTRFS_I(inode)->lock);
 		dropped = drop_outstanding_extent(inode);
-		to_free = calc_csum_metadata_size(inode, num_bytes, 0);
-		spin_unlock(&BTRFS_I(inode)->lock);
-		to_free += btrfs_calc_trans_metadata_size(root, dropped);
-
 		/*
-		 * Somebody could have come in and twiddled with the
-		 * reservation, so if we have to free more than we would have
-		 * reserved from this reservation go ahead and release those
-		 * bytes.
+		 * If the inodes csum_bytes is the same as the original
+		 * csum_bytes then we know we haven't raced with any free()ers
+		 * so we can just reduce our inodes csum bytes and carry on.
+		 * Otherwise we have to do the normal free thing to account for
+		 * the case that the free side didn't free up its reserve
+		 * because of this outstanding reservation.
 		 */
-		to_free -= to_reserve;
+		if (BTRFS_I(inode)->csum_bytes == csum_bytes)
+			calc_csum_metadata_size(inode, num_bytes, 0);
+		else
+			to_free = calc_csum_metadata_size(inode, num_bytes, 0);
+		spin_unlock(&BTRFS_I(inode)->lock);
+		if (dropped)
+			to_free += btrfs_calc_trans_metadata_size(root, dropped);
+
 		if (to_free)
 			btrfs_block_rsv_release(root, block_rsv, to_free);
 		return ret;
 	}
 
+	spin_lock(&BTRFS_I(inode)->lock);
+	if (extra_reserve) {
+		BTRFS_I(inode)->delalloc_meta_reserved = 1;
+		nr_extents--;
+	}
+	BTRFS_I(inode)->reserved_extents += nr_extents;
+	spin_unlock(&BTRFS_I(inode)->lock);
+
 	block_rsv_add_bytes(block_rsv, to_reserve, 1);
 
 	return 0;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index dafdfa059bf6..97fbe939c050 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1167,6 +1167,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
 	nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) /
 		     PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
 		     (sizeof(struct page *)));
+	nrptrs = min(nrptrs, current->nr_dirtied_pause - current->nr_dirtied);
+	nrptrs = max(nrptrs, 8);
 	pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
 	if (!pages)
 		return -ENOMEM;
@@ -1387,7 +1389,11 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 		goto out;
 	}
 
-	file_update_time(file);
+	err = btrfs_update_time(file);
+	if (err) {
+		mutex_unlock(&inode->i_mutex);
+		goto out;
+	}
 	BTRFS_I(inode)->sequence++;
 
 	start_pos = round_down(pos, root->sectorsize);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2c984f7d4c2a..fd1a06df5bc6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -38,6 +38,7 @@
 #include <linux/falloc.h>
 #include <linux/slab.h>
 #include <linux/ratelimit.h>
+#include <linux/mount.h>
 #include "compat.h"
 #include "ctree.h"
 #include "disk-io.h"
@@ -2031,7 +2032,7 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
 	/* insert an orphan item to track this unlinked/truncated file */
 	if (insert >= 1) {
 		ret = btrfs_insert_orphan_item(trans, root, btrfs_ino(inode));
-		BUG_ON(ret);
+		BUG_ON(ret && ret != -EEXIST);
 	}
 
 	/* insert an orphan item to track subvolume contains orphan files */
@@ -2158,6 +2159,38 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
 		if (ret && ret != -ESTALE)
 			goto out;
 
+		if (ret == -ESTALE && root == root->fs_info->tree_root) {
+			struct btrfs_root *dead_root;
+			struct btrfs_fs_info *fs_info = root->fs_info;
+			int is_dead_root = 0;
+
+			/*
+			 * this is an orphan in the tree root. Currently these
+			 * could come from 2 sources:
+			 *  a) a snapshot deletion in progress
+			 *  b) a free space cache inode
+			 * We need to distinguish those two, as the snapshot
+			 * orphan must not get deleted.
+			 * find_dead_roots already ran before us, so if this
+			 * is a snapshot deletion, we should find the root
+			 * in the dead_roots list
+			 */
+			spin_lock(&fs_info->trans_lock);
+			list_for_each_entry(dead_root, &fs_info->dead_roots,
+					    root_list) {
+				if (dead_root->root_key.objectid ==
+				    found_key.objectid) {
+					is_dead_root = 1;
+					break;
+				}
+			}
+			spin_unlock(&fs_info->trans_lock);
+			if (is_dead_root) {
+				/* prevent this orphan from being found again */
+				key.offset = found_key.objectid - 1;
+				continue;
+			}
+		}
 		/*
 		 * Inode is already gone but the orphan item is still there,
 		 * kill the orphan item.
@@ -2191,7 +2224,14 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
 				continue;
 			}
 			nr_truncate++;
+			/*
+			 * Need to hold the imutex for reservation purposes, not
+			 * a huge deal here but I have a WARN_ON in
+			 * btrfs_delalloc_reserve_space to catch offenders.
+			 */
+			mutex_lock(&inode->i_mutex);
 			ret = btrfs_truncate(inode);
+			mutex_unlock(&inode->i_mutex);
 		} else {
 			nr_unlink++;
 		}
@@ -3327,7 +3367,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 			u64 hint_byte = 0;
 			hole_size = last_byte - cur_offset;
 
-			trans = btrfs_start_transaction(root, 2);
+			trans = btrfs_start_transaction(root, 3);
 			if (IS_ERR(trans)) {
 				err = PTR_ERR(trans);
 				break;
@@ -3337,6 +3377,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 						 cur_offset + hole_size,
 						 &hint_byte, 1);
 			if (err) {
+				btrfs_update_inode(trans, root, inode);
 				btrfs_end_transaction(trans, root);
 				break;
 			}
@@ -3346,6 +3387,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 					0, hole_size, 0, hole_size,
 					0, 0, 0);
 			if (err) {
+				btrfs_update_inode(trans, root, inode);
 				btrfs_end_transaction(trans, root);
 				break;
 			}
@@ -3353,6 +3395,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 			btrfs_drop_extent_cache(inode, hole_start,
 					last_byte - 1, 0);
 
+			btrfs_update_inode(trans, root, inode);
 			btrfs_end_transaction(trans, root);
 		}
 		free_extent_map(em);
@@ -3370,6 +3413,8 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 
 static int btrfs_setsize(struct inode *inode, loff_t newsize)
 {
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_trans_handle *trans;
 	loff_t oldsize = i_size_read(inode);
 	int ret;
 
@@ -3377,16 +3422,19 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize)
 		return 0;
 
 	if (newsize > oldsize) {
-		i_size_write(inode, newsize);
-		btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
 		truncate_pagecache(inode, oldsize, newsize);
 		ret = btrfs_cont_expand(inode, oldsize, newsize);
-		if (ret) {
-			btrfs_setsize(inode, oldsize);
+		if (ret)
 			return ret;
-		}
 
-		mark_inode_dirty(inode);
+		trans = btrfs_start_transaction(root, 1);
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
+
+		i_size_write(inode, newsize);
+		btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
+		ret = btrfs_update_inode(trans, root, inode);
+		btrfs_end_transaction_throttle(trans, root);
 	} else {
 
 		/*
@@ -3426,9 +3474,9 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
 
 	if (attr->ia_valid) {
 		setattr_copy(inode, attr);
-		mark_inode_dirty(inode);
+		err = btrfs_dirty_inode(inode);
 
-		if (attr->ia_valid & ATTR_MODE)
+		if (!err && attr->ia_valid & ATTR_MODE)
 			err = btrfs_acl_chmod(inode);
 	}
 
@@ -4204,42 +4252,80 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
  * FIXME, needs more benchmarking...there are no reasons other than performance
  * to keep or drop this code.
  */
-void btrfs_dirty_inode(struct inode *inode, int flags)
+int btrfs_dirty_inode(struct inode *inode)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
 	int ret;
 
 	if (BTRFS_I(inode)->dummy_inode)
-		return;
+		return 0;
 
 	trans = btrfs_join_transaction(root);
-	BUG_ON(IS_ERR(trans));
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
 	ret = btrfs_update_inode(trans, root, inode);
 	if (ret && ret == -ENOSPC) {
 		/* whoops, lets try again with the full transaction */
 		btrfs_end_transaction(trans, root);
 		trans = btrfs_start_transaction(root, 1);
-		if (IS_ERR(trans)) {
-			printk_ratelimited(KERN_ERR "btrfs: fail to "
-				       "dirty  inode %llu error %ld\n",
-				       (unsigned long long)btrfs_ino(inode),
-				       PTR_ERR(trans));
-			return;
-		}
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
 
 		ret = btrfs_update_inode(trans, root, inode);
-		if (ret) {
-			printk_ratelimited(KERN_ERR "btrfs: fail to "
-				       "dirty  inode %llu error %d\n",
-				       (unsigned long long)btrfs_ino(inode),
-				       ret);
-		}
 	}
 	btrfs_end_transaction(trans, root);
 	if (BTRFS_I(inode)->delayed_node)
 		btrfs_balance_delayed_items(root);
+
+	return ret;
+}
+
+/*
+ * This is a copy of file_update_time.  We need this so we can return error on
+ * ENOSPC for updating the inode in the case of file write and mmap writes.
+ */
+int btrfs_update_time(struct file *file)
+{
+	struct inode *inode = file->f_path.dentry->d_inode;
+	struct timespec now;
+	int ret;
+	enum { S_MTIME = 1, S_CTIME = 2, S_VERSION = 4 } sync_it = 0;
+
+	/* First try to exhaust all avenues to not sync */
+	if (IS_NOCMTIME(inode))
+		return 0;
+
+	now = current_fs_time(inode->i_sb);
+	if (!timespec_equal(&inode->i_mtime, &now))
+		sync_it = S_MTIME;
+
+	if (!timespec_equal(&inode->i_ctime, &now))
+		sync_it |= S_CTIME;
+
+	if (IS_I_VERSION(inode))
+		sync_it |= S_VERSION;
+
+	if (!sync_it)
+		return 0;
+
+	/* Finally allowed to write? Takes lock. */
+	if (mnt_want_write_file(file))
+		return 0;
+
+	/* Only change inode inside the lock region */
+	if (sync_it & S_VERSION)
+		inode_inc_iversion(inode);
+	if (sync_it & S_CTIME)
+		inode->i_ctime = now;
+	if (sync_it & S_MTIME)
+		inode->i_mtime = now;
+	ret = btrfs_dirty_inode(inode);
+	if (!ret)
+		mark_inode_dirty_sync(inode);
+	mnt_drop_write(file->f_path.mnt);
+	return ret;
 }
 
 /*
@@ -4504,10 +4590,6 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
 	int err = btrfs_add_link(trans, dir, inode,
 				 dentry->d_name.name, dentry->d_name.len,
 				 backref, index);
-	if (!err) {
-		d_instantiate(dentry, inode);
-		return 0;
-	}
 	if (err > 0)
 		err = -EEXIST;
 	return err;
@@ -4555,13 +4637,21 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
 		goto out_unlock;
 	}
 
+	/*
+	* If the active LSM wants to access the inode during
+	* d_instantiate it needs these. Smack checks to see
+	* if the filesystem supports xattrs by looking at the
+	* ops vector.
+	*/
+
+	inode->i_op = &btrfs_special_inode_operations;
 	err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
 	if (err)
 		drop_inode = 1;
 	else {
-		inode->i_op = &btrfs_special_inode_operations;
 		init_special_inode(inode, inode->i_mode, rdev);
 		btrfs_update_inode(trans, root, inode);
+		d_instantiate(dentry, inode);
 	}
 out_unlock:
 	nr = trans->blocks_used;
@@ -4613,15 +4703,23 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
 		goto out_unlock;
 	}
 
+	/*
+	* If the active LSM wants to access the inode during
+	* d_instantiate it needs these. Smack checks to see
+	* if the filesystem supports xattrs by looking at the
+	* ops vector.
+	*/
+	inode->i_fop = &btrfs_file_operations;
+	inode->i_op = &btrfs_file_inode_operations;
+
 	err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
 	if (err)
 		drop_inode = 1;
 	else {
 		inode->i_mapping->a_ops = &btrfs_aops;
 		inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
-		inode->i_fop = &btrfs_file_operations;
-		inode->i_op = &btrfs_file_inode_operations;
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
+		d_instantiate(dentry, inode);
 	}
 out_unlock:
 	nr = trans->blocks_used;
@@ -4679,6 +4777,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 		struct dentry *parent = dentry->d_parent;
 		err = btrfs_update_inode(trans, root, inode);
 		BUG_ON(err);
+		d_instantiate(dentry, inode);
 		btrfs_log_new_name(trans, inode, NULL, parent);
 	}
 
@@ -6303,7 +6402,12 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	u64 page_start;
 	u64 page_end;
 
+	/* Need this to keep space reservations serialized */
+	mutex_lock(&inode->i_mutex);
 	ret  = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+	mutex_unlock(&inode->i_mutex);
+	if (!ret)
+		ret = btrfs_update_time(vma->vm_file);
 	if (ret) {
 		if (ret == -ENOMEM)
 			ret = VM_FAULT_OOM;
@@ -6515,8 +6619,9 @@ static int btrfs_truncate(struct inode *inode)
 			/* Just need the 1 for updating the inode */
 			trans = btrfs_start_transaction(root, 1);
 			if (IS_ERR(trans)) {
-				err = PTR_ERR(trans);
-				goto out;
+				ret = err = PTR_ERR(trans);
+				trans = NULL;
+				break;
 			}
 		}
 
@@ -7076,14 +7181,21 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 		goto out_unlock;
 	}
 
+	/*
+	* If the active LSM wants to access the inode during
+	* d_instantiate it needs these. Smack checks to see
+	* if the filesystem supports xattrs by looking at the
+	* ops vector.
+	*/
+	inode->i_fop = &btrfs_file_operations;
+	inode->i_op = &btrfs_file_inode_operations;
+
 	err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
 	if (err)
 		drop_inode = 1;
 	else {
 		inode->i_mapping->a_ops = &btrfs_aops;
 		inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
-		inode->i_fop = &btrfs_file_operations;
-		inode->i_op = &btrfs_file_inode_operations;
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
 	}
 	if (drop_inode)
@@ -7132,6 +7244,8 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 		drop_inode = 1;
 
 out_unlock:
+	if (!err)
+		d_instantiate(dentry, inode);
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
 	if (drop_inode) {
@@ -7353,6 +7467,7 @@ static const struct inode_operations btrfs_symlink_inode_operations = {
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,
 	.getattr	= btrfs_getattr,
+	.setattr	= btrfs_setattr,
 	.permission	= btrfs_permission,
 	.setxattr	= btrfs_setxattr,
 	.getxattr	= btrfs_getxattr,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 72d461656f60..c04f02c7d5bb 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -252,11 +252,11 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 	trans = btrfs_join_transaction(root);
 	BUG_ON(IS_ERR(trans));
 
+	btrfs_update_iflags(inode);
+	inode->i_ctime = CURRENT_TIME;
 	ret = btrfs_update_inode(trans, root, inode);
 	BUG_ON(ret);
 
-	btrfs_update_iflags(inode);
-	inode->i_ctime = CURRENT_TIME;
 	btrfs_end_transaction(trans, root);
 
 	mnt_drop_write(file->f_path.mnt);
@@ -858,8 +858,10 @@ static int cluster_pages_for_defrag(struct inode *inode,
 		return 0;
 	file_end = (isize - 1) >> PAGE_CACHE_SHIFT;
 
+	mutex_lock(&inode->i_mutex);
 	ret = btrfs_delalloc_reserve_space(inode,
 					   num_pages << PAGE_CACHE_SHIFT);
+	mutex_unlock(&inode->i_mutex);
 	if (ret)
 		return ret;
 again:
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index dff29d5e151a..cfb55434a469 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2947,7 +2947,9 @@ static int relocate_file_extent_cluster(struct inode *inode,
 	index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
 	last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
 	while (index <= last_index) {
+		mutex_lock(&inode->i_mutex);
 		ret = btrfs_delalloc_reserve_metadata(inode, PAGE_CACHE_SIZE);
+		mutex_unlock(&inode->i_mutex);
 		if (ret)
 			goto out;
 
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index c27bcb67f330..ddf2c90d3fc0 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1535,18 +1535,22 @@ static noinline_for_stack int scrub_supers(struct scrub_dev *sdev)
 static noinline_for_stack int scrub_workers_get(struct btrfs_root *root)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
+	int ret = 0;
 
 	mutex_lock(&fs_info->scrub_lock);
 	if (fs_info->scrub_workers_refcnt == 0) {
 		btrfs_init_workers(&fs_info->scrub_workers, "scrub",
 			   fs_info->thread_pool_size, &fs_info->generic_worker);
 		fs_info->scrub_workers.idle_thresh = 4;
-		btrfs_start_workers(&fs_info->scrub_workers, 1);
+		ret = btrfs_start_workers(&fs_info->scrub_workers);
+		if (ret)
+			goto out;
 	}
 	++fs_info->scrub_workers_refcnt;
+out:
 	mutex_unlock(&fs_info->scrub_lock);
 
-	return 0;
+	return ret;
 }
 
 static noinline_for_stack void scrub_workers_put(struct btrfs_root *root)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index e28ad4baf483..200f63bc6675 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -41,6 +41,7 @@
 #include <linux/slab.h>
 #include <linux/cleancache.h>
 #include <linux/mnt_namespace.h>
+#include <linux/ratelimit.h>
 #include "compat.h"
 #include "delayed-inode.h"
 #include "ctree.h"
@@ -1053,7 +1054,7 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 	u64 avail_space;
 	u64 used_space;
 	u64 min_stripe_size;
-	int min_stripes = 1;
+	int min_stripes = 1, num_stripes = 1;
 	int i = 0, nr_devices;
 	int ret;
 
@@ -1067,12 +1068,16 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 
 	/* calc min stripe number for data space alloction */
 	type = btrfs_get_alloc_profile(root, 1);
-	if (type & BTRFS_BLOCK_GROUP_RAID0)
+	if (type & BTRFS_BLOCK_GROUP_RAID0) {
 		min_stripes = 2;
-	else if (type & BTRFS_BLOCK_GROUP_RAID1)
+		num_stripes = nr_devices;
+	} else if (type & BTRFS_BLOCK_GROUP_RAID1) {
 		min_stripes = 2;
-	else if (type & BTRFS_BLOCK_GROUP_RAID10)
+		num_stripes = 2;
+	} else if (type & BTRFS_BLOCK_GROUP_RAID10) {
 		min_stripes = 4;
+		num_stripes = 4;
+	}
 
 	if (type & BTRFS_BLOCK_GROUP_DUP)
 		min_stripe_size = 2 * BTRFS_STRIPE_LEN;
@@ -1141,13 +1146,16 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 	i = nr_devices - 1;
 	avail_space = 0;
 	while (nr_devices >= min_stripes) {
+		if (num_stripes > nr_devices)
+			num_stripes = nr_devices;
+
 		if (devices_info[i].max_avail >= min_stripe_size) {
 			int j;
 			u64 alloc_size;
 
-			avail_space += devices_info[i].max_avail * min_stripes;
+			avail_space += devices_info[i].max_avail * num_stripes;
 			alloc_size = devices_info[i].max_avail;
-			for (j = i + 1 - min_stripes; j <= i; j++)
+			for (j = i + 1 - num_stripes; j <= i; j++)
 				devices_info[j].max_avail -= alloc_size;
 		}
 		i--;
@@ -1264,6 +1272,16 @@ static int btrfs_unfreeze(struct super_block *sb)
 	return 0;
 }
 
+static void btrfs_fs_dirty_inode(struct inode *inode, int flags)
+{
+	int ret;
+
+	ret = btrfs_dirty_inode(inode);
+	if (ret)
+		printk_ratelimited(KERN_ERR "btrfs: fail to dirty inode %Lu "
+				   "error %d\n", btrfs_ino(inode), ret);
+}
+
 static const struct super_operations btrfs_super_ops = {
 	.drop_inode	= btrfs_drop_inode,
 	.evict_inode	= btrfs_evict_inode,
@@ -1271,7 +1289,7 @@ static const struct super_operations btrfs_super_ops = {
 	.sync_fs	= btrfs_sync_fs,
 	.show_options	= btrfs_show_options,
 	.write_inode	= btrfs_write_inode,
-	.dirty_inode	= btrfs_dirty_inode,
+	.dirty_inode	= btrfs_fs_dirty_inode,
 	.alloc_inode	= btrfs_alloc_inode,
 	.destroy_inode	= btrfs_destroy_inode,
 	.statfs		= btrfs_statfs,
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0a8c8f8304b1..f4b839fd3c9d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -295,6 +295,12 @@ loop_lock:
 			btrfs_requeue_work(&device->work);
 			goto done;
 		}
+		/* unplug every 64 requests just for good measure */
+		if (batch_run % 64 == 0) {
+			blk_finish_plug(&plug);
+			blk_start_plug(&plug);
+			sync_pending = 0;
+		}
 	}
 
 	cond_resched();
@@ -3258,7 +3264,7 @@ static void btrfs_end_bio(struct bio *bio, int err)
 		 */
 		if (atomic_read(&bbio->error) > bbio->max_errors) {
 			err = -EIO;
-		} else if (err) {
+		} else {
 			/*
 			 * this bio is actually up to date, we didn't
 			 * go over the max number of errors
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 4144caf2f9d3..173b1d22e59b 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -87,7 +87,7 @@ static int ceph_set_page_dirty(struct page *page)
 	snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);
 
 	/* dirty the head */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_head_snapc == NULL)
 		ci->i_head_snapc = ceph_get_snap_context(snapc);
 	++ci->i_wrbuffer_ref_head;
@@ -100,7 +100,7 @@ static int ceph_set_page_dirty(struct page *page)
 	     ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref_head-1,
 	     ci->i_wrbuffer_ref, ci->i_wrbuffer_ref_head,
 	     snapc, snapc->seq, snapc->num_snaps);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	/* now adjust page */
 	spin_lock_irq(&mapping->tree_lock);
@@ -391,7 +391,7 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode,
 	struct ceph_snap_context *snapc = NULL;
 	struct ceph_cap_snap *capsnap = NULL;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
 		dout(" cap_snap %p snapc %p has %d dirty pages\n", capsnap,
 		     capsnap->context, capsnap->dirty_pages);
@@ -407,7 +407,7 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode,
 		dout(" head snapc %p has %d dirty pages\n",
 		     snapc, ci->i_wrbuffer_ref_head);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return snapc;
 }
 
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 0f327c6c9679..8b53193e4f7c 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -309,7 +309,7 @@ void ceph_reservation_status(struct ceph_fs_client *fsc,
 /*
  * Find ceph_cap for given mds, if any.
  *
- * Called with i_lock held.
+ * Called with i_ceph_lock held.
  */
 static struct ceph_cap *__get_cap_for_mds(struct ceph_inode_info *ci, int mds)
 {
@@ -332,9 +332,9 @@ struct ceph_cap *ceph_get_cap_for_mds(struct ceph_inode_info *ci, int mds)
 {
 	struct ceph_cap *cap;
 
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = __get_cap_for_mds(ci, mds);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return cap;
 }
 
@@ -361,15 +361,16 @@ static int __ceph_get_cap_mds(struct ceph_inode_info *ci)
 
 int ceph_get_cap_mds(struct inode *inode)
 {
+	struct ceph_inode_info *ci = ceph_inode(inode);
 	int mds;
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	mds = __ceph_get_cap_mds(ceph_inode(inode));
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return mds;
 }
 
 /*
- * Called under i_lock.
+ * Called under i_ceph_lock.
  */
 static void __insert_cap_node(struct ceph_inode_info *ci,
 			      struct ceph_cap *new)
@@ -415,7 +416,7 @@ static void __cap_set_timeouts(struct ceph_mds_client *mdsc,
  *
  * If I_FLUSH is set, leave the inode at the front of the list.
  *
- * Caller holds i_lock
+ * Caller holds i_ceph_lock
  *    -> we take mdsc->cap_delay_lock
  */
 static void __cap_delay_requeue(struct ceph_mds_client *mdsc,
@@ -457,7 +458,7 @@ static void __cap_delay_requeue_front(struct ceph_mds_client *mdsc,
 /*
  * Cancel delayed work on cap.
  *
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
  */
 static void __cap_delay_cancel(struct ceph_mds_client *mdsc,
 			       struct ceph_inode_info *ci)
@@ -532,14 +533,14 @@ int ceph_add_cap(struct inode *inode,
 		wanted |= ceph_caps_for_mode(fmode);
 
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = __get_cap_for_mds(ci, mds);
 	if (!cap) {
 		if (new_cap) {
 			cap = new_cap;
 			new_cap = NULL;
 		} else {
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			new_cap = get_cap(mdsc, caps_reservation);
 			if (new_cap == NULL)
 				return -ENOMEM;
@@ -625,7 +626,7 @@ retry:
 
 	if (fmode >= 0)
 		__ceph_get_fmode(ci, fmode);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	wake_up_all(&ci->i_cap_wq);
 	return 0;
 }
@@ -792,7 +793,7 @@ int ceph_caps_revoking(struct ceph_inode_info *ci, int mask)
 	struct rb_node *p;
 	int ret = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
 		cap = rb_entry(p, struct ceph_cap, ci_node);
 		if (__cap_is_valid(cap) &&
@@ -801,7 +802,7 @@ int ceph_caps_revoking(struct ceph_inode_info *ci, int mask)
 			break;
 		}
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	dout("ceph_caps_revoking %p %s = %d\n", inode,
 	     ceph_cap_string(mask), ret);
 	return ret;
@@ -855,7 +856,7 @@ int __ceph_caps_mds_wanted(struct ceph_inode_info *ci)
 }
 
 /*
- * called under i_lock
+ * called under i_ceph_lock
  */
 static int __ceph_is_any_caps(struct ceph_inode_info *ci)
 {
@@ -865,7 +866,7 @@ static int __ceph_is_any_caps(struct ceph_inode_info *ci)
 /*
  * Remove a cap.  Take steps to deal with a racing iterate_session_caps.
  *
- * caller should hold i_lock.
+ * caller should hold i_ceph_lock.
  * caller will not hold session s_mutex if called from destroy_inode.
  */
 void __ceph_remove_cap(struct ceph_cap *cap)
@@ -1028,7 +1029,7 @@ static void __queue_cap_release(struct ceph_mds_session *session,
 
 /*
  * Queue cap releases when an inode is dropped from our cache.  Since
- * inode is about to be destroyed, there is no need for i_lock.
+ * inode is about to be destroyed, there is no need for i_ceph_lock.
  */
 void ceph_queue_caps_release(struct inode *inode)
 {
@@ -1049,7 +1050,7 @@ void ceph_queue_caps_release(struct inode *inode)
 
 /*
  * Send a cap msg on the given inode.  Update our caps state, then
- * drop i_lock and send the message.
+ * drop i_ceph_lock and send the message.
  *
  * Make note of max_size reported/requested from mds, revoked caps
  * that have now been implemented.
@@ -1061,13 +1062,13 @@ void ceph_queue_caps_release(struct inode *inode)
  * Return non-zero if delayed release, or we experienced an error
  * such that the caller should requeue + retry later.
  *
- * called with i_lock, then drops it.
+ * called with i_ceph_lock, then drops it.
  * caller should hold snap_rwsem (read), s_mutex.
  */
 static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
 		      int op, int used, int want, int retain, int flushing,
 		      unsigned *pflush_tid)
-	__releases(cap->ci->vfs_inode->i_lock)
+	__releases(cap->ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = cap->ci;
 	struct inode *inode = &ci->vfs_inode;
@@ -1170,7 +1171,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
 		xattr_version = ci->i_xattrs.version;
 	}
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	ret = send_cap_msg(session, ceph_vino(inode).ino, cap_id,
 		op, keep, want, flushing, seq, flush_tid, issue_seq, mseq,
@@ -1198,13 +1199,13 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
  * Unless @again is true, skip cap_snaps that were already sent to
  * the MDS (i.e., during this session).
  *
- * Called under i_lock.  Takes s_mutex as needed.
+ * Called under i_ceph_lock.  Takes s_mutex as needed.
  */
 void __ceph_flush_snaps(struct ceph_inode_info *ci,
 			struct ceph_mds_session **psession,
 			int again)
-		__releases(ci->vfs_inode->i_lock)
-		__acquires(ci->vfs_inode->i_lock)
+		__releases(ci->i_ceph_lock)
+		__acquires(ci->i_ceph_lock)
 {
 	struct inode *inode = &ci->vfs_inode;
 	int mds;
@@ -1261,7 +1262,7 @@ retry:
 			session = NULL;
 		}
 		if (!session) {
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			mutex_lock(&mdsc->mutex);
 			session = __ceph_lookup_mds_session(mdsc, mds);
 			mutex_unlock(&mdsc->mutex);
@@ -1275,7 +1276,7 @@ retry:
 			 * deletion or migration.  retry, and we'll
 			 * get a better @mds value next time.
 			 */
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			goto retry;
 		}
 
@@ -1285,7 +1286,7 @@ retry:
 			list_del_init(&capsnap->flushing_item);
 		list_add_tail(&capsnap->flushing_item,
 			      &session->s_cap_snaps_flushing);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 
 		dout("flush_snaps %p cap_snap %p follows %lld tid %llu\n",
 		     inode, capsnap, capsnap->follows, capsnap->flush_tid);
@@ -1302,7 +1303,7 @@ retry:
 		next_follows = capsnap->follows + 1;
 		ceph_put_cap_snap(capsnap);
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		goto retry;
 	}
 
@@ -1322,11 +1323,9 @@ out:
 
 static void ceph_flush_snaps(struct ceph_inode_info *ci)
 {
-	struct inode *inode = &ci->vfs_inode;
-
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__ceph_flush_snaps(ci, NULL, 0);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -1373,7 +1372,7 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
  * Add dirty inode to the flushing list.  Assigned a seq number so we
  * can wait for caps to flush without starving.
  *
- * Called under i_lock.
+ * Called under i_ceph_lock.
  */
 static int __mark_caps_flushing(struct inode *inode,
 				 struct ceph_mds_session *session)
@@ -1421,9 +1420,9 @@ static int try_nonblocking_invalidate(struct inode *inode)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	u32 invalidating_gen = ci->i_rdcache_gen;
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	invalidate_mapping_pages(&inode->i_data, 0, -1);
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	if (inode->i_data.nrpages == 0 &&
 	    invalidating_gen == ci->i_rdcache_gen) {
@@ -1470,7 +1469,7 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
 	if (mdsc->stopping)
 		is_delayed = 1;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	if (ci->i_ceph_flags & CEPH_I_FLUSH)
 		flags |= CHECK_CAPS_FLUSH;
@@ -1480,7 +1479,7 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
 		__ceph_flush_snaps(ci, &session, 0);
 	goto retry_locked;
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 retry_locked:
 	file_wanted = __ceph_caps_file_wanted(ci);
 	used = __ceph_caps_used(ci);
@@ -1634,7 +1633,7 @@ ack:
 			if (mutex_trylock(&session->s_mutex) == 0) {
 				dout("inverting session/ino locks on %p\n",
 				     session);
-				spin_unlock(&inode->i_lock);
+				spin_unlock(&ci->i_ceph_lock);
 				if (took_snap_rwsem) {
 					up_read(&mdsc->snap_rwsem);
 					took_snap_rwsem = 0;
@@ -1648,7 +1647,7 @@ ack:
 			if (down_read_trylock(&mdsc->snap_rwsem) == 0) {
 				dout("inverting snap/in locks on %p\n",
 				     inode);
-				spin_unlock(&inode->i_lock);
+				spin_unlock(&ci->i_ceph_lock);
 				down_read(&mdsc->snap_rwsem);
 				took_snap_rwsem = 1;
 				goto retry;
@@ -1664,10 +1663,10 @@ ack:
 		mds = cap->mds;  /* remember mds, so we don't repeat */
 		sent++;
 
-		/* __send_cap drops i_lock */
+		/* __send_cap drops i_ceph_lock */
 		delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, used, want,
 				      retain, flushing, NULL);
-		goto retry; /* retake i_lock and restart our cap scan. */
+		goto retry; /* retake i_ceph_lock and restart our cap scan. */
 	}
 
 	/*
@@ -1681,7 +1680,7 @@ ack:
 	else if (!is_delayed || force_requeue)
 		__cap_delay_requeue(mdsc, ci);
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (queue_invalidate)
 		ceph_queue_invalidate(inode);
@@ -1704,7 +1703,7 @@ static int try_flush_caps(struct inode *inode, struct ceph_mds_session *session,
 	int flushing = 0;
 
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_ceph_flags & CEPH_I_NOFLUSH) {
 		dout("try_flush_caps skipping %p I_NOFLUSH set\n", inode);
 		goto out;
@@ -1716,7 +1715,7 @@ retry:
 		int delayed;
 
 		if (!session) {
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			session = cap->session;
 			mutex_lock(&session->s_mutex);
 			goto retry;
@@ -1727,18 +1726,18 @@ retry:
 
 		flushing = __mark_caps_flushing(inode, session);
 
-		/* __send_cap drops i_lock */
+		/* __send_cap drops i_ceph_lock */
 		delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH, used, want,
 				     cap->issued | cap->implemented, flushing,
 				     flush_tid);
 		if (!delayed)
 			goto out_unlocked;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		__cap_delay_requeue(mdsc, ci);
 	}
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 out_unlocked:
 	if (session && unlock_session)
 		mutex_unlock(&session->s_mutex);
@@ -1753,7 +1752,7 @@ static int caps_are_flushed(struct inode *inode, unsigned tid)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int i, ret = 1;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	for (i = 0; i < CEPH_CAP_BITS; i++)
 		if ((ci->i_flushing_caps & (1 << i)) &&
 		    ci->i_cap_flush_tid[i] <= tid) {
@@ -1761,7 +1760,7 @@ static int caps_are_flushed(struct inode *inode, unsigned tid)
 			ret = 0;
 			break;
 		}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return ret;
 }
 
@@ -1868,10 +1867,10 @@ int ceph_write_inode(struct inode *inode, struct writeback_control *wbc)
 		struct ceph_mds_client *mdsc =
 			ceph_sb_to_client(inode->i_sb)->mdsc;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		if (__ceph_caps_dirty(ci))
 			__cap_delay_requeue_front(mdsc, ci);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 	return err;
 }
@@ -1894,7 +1893,7 @@ static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc,
 		struct inode *inode = &ci->vfs_inode;
 		struct ceph_cap *cap;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		cap = ci->i_auth_cap;
 		if (cap && cap->session == session) {
 			dout("kick_flushing_caps %p cap %p capsnap %p\n", inode,
@@ -1904,7 +1903,7 @@ static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc,
 			pr_err("%p auth cap %p not mds%d ???\n", inode,
 			       cap, session->s_mds);
 		}
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 }
 
@@ -1921,7 +1920,7 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 		struct ceph_cap *cap;
 		int delayed = 0;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		cap = ci->i_auth_cap;
 		if (cap && cap->session == session) {
 			dout("kick_flushing_caps %p cap %p %s\n", inode,
@@ -1932,14 +1931,14 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 					     cap->issued | cap->implemented,
 					     ci->i_flushing_caps, NULL);
 			if (delayed) {
-				spin_lock(&inode->i_lock);
+				spin_lock(&ci->i_ceph_lock);
 				__cap_delay_requeue(mdsc, ci);
-				spin_unlock(&inode->i_lock);
+				spin_unlock(&ci->i_ceph_lock);
 			}
 		} else {
 			pr_err("%p auth cap %p not mds%d ???\n", inode,
 			       cap, session->s_mds);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 	}
 }
@@ -1952,7 +1951,7 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc,
 	struct ceph_cap *cap;
 	int delayed = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = ci->i_auth_cap;
 	dout("kick_flushing_inode_caps %p flushing %s flush_seq %lld\n", inode,
 	     ceph_cap_string(ci->i_flushing_caps), ci->i_cap_flush_seq);
@@ -1964,12 +1963,12 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc,
 				     cap->issued | cap->implemented,
 				     ci->i_flushing_caps, NULL);
 		if (delayed) {
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			__cap_delay_requeue(mdsc, ci);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 }
 
@@ -1978,7 +1977,7 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc,
  * Take references to capabilities we hold, so that we don't release
  * them to the MDS prematurely.
  *
- * Protected by i_lock.
+ * Protected by i_ceph_lock.
  */
 static void __take_cap_refs(struct ceph_inode_info *ci, int got)
 {
@@ -2016,7 +2015,7 @@ static int try_get_cap_refs(struct ceph_inode_info *ci, int need, int want,
 
 	dout("get_cap_refs %p need %s want %s\n", inode,
 	     ceph_cap_string(need), ceph_cap_string(want));
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	/* make sure file is actually open */
 	file_wanted = __ceph_caps_file_wanted(ci);
@@ -2077,7 +2076,7 @@ static int try_get_cap_refs(struct ceph_inode_info *ci, int need, int want,
 		     ceph_cap_string(have), ceph_cap_string(need));
 	}
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	dout("get_cap_refs %p ret %d got %s\n", inode,
 	     ret, ceph_cap_string(*got));
 	return ret;
@@ -2094,7 +2093,7 @@ static void check_max_size(struct inode *inode, loff_t endoff)
 	int check = 0;
 
 	/* do we need to explicitly request a larger max_size? */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if ((endoff >= ci->i_max_size ||
 	     endoff > (inode->i_size << 1)) &&
 	    endoff > ci->i_wanted_max_size) {
@@ -2103,7 +2102,7 @@ static void check_max_size(struct inode *inode, loff_t endoff)
 		ci->i_wanted_max_size = endoff;
 		check = 1;
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (check)
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
 }
@@ -2140,9 +2139,9 @@ retry:
  */
 void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps)
 {
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__take_cap_refs(ci, caps);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -2160,7 +2159,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
 	int last = 0, put = 0, flushsnaps = 0, wake = 0;
 	struct ceph_cap_snap *capsnap;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (had & CEPH_CAP_PIN)
 		--ci->i_pin_ref;
 	if (had & CEPH_CAP_FILE_RD)
@@ -2193,7 +2192,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
 				}
 			}
 		}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	dout("put_cap_refs %p had %s%s%s\n", inode, ceph_cap_string(had),
 	     last ? " last" : "", put ? " put" : "");
@@ -2225,7 +2224,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
 	int found = 0;
 	struct ceph_cap_snap *capsnap = NULL;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_wrbuffer_ref -= nr;
 	last = !ci->i_wrbuffer_ref;
 
@@ -2274,7 +2273,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
 		}
 	}
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (last) {
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
@@ -2291,7 +2290,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
  * Handle a cap GRANT message from the MDS.  (Note that a GRANT may
  * actually be a revocation if it specifies a smaller cap set.)
  *
- * caller holds s_mutex and i_lock, we drop both.
+ * caller holds s_mutex and i_ceph_lock, we drop both.
  *
  * return value:
  *  0 - ok
@@ -2302,7 +2301,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
 			     struct ceph_mds_session *session,
 			     struct ceph_cap *cap,
 			     struct ceph_buffer *xattr_buf)
-		__releases(inode->i_lock)
+		__releases(ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int mds = session->s_mds;
@@ -2453,7 +2452,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
 	}
 	BUG_ON(cap->issued & ~cap->implemented);
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (writeback)
 		/*
 		 * queue inode for writeback: we can't actually call
@@ -2483,7 +2482,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
 				 struct ceph_mds_caps *m,
 				 struct ceph_mds_session *session,
 				 struct ceph_cap *cap)
-	__releases(inode->i_lock)
+	__releases(ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
@@ -2539,7 +2538,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
 	wake_up_all(&ci->i_cap_wq);
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (drop)
 		iput(inode);
 }
@@ -2562,7 +2561,7 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
 	dout("handle_cap_flushsnap_ack inode %p ci %p mds%d follows %lld\n",
 	     inode, ci, session->s_mds, follows);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
 		if (capsnap->follows == follows) {
 			if (capsnap->flush_tid != flush_tid) {
@@ -2585,7 +2584,7 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
 			     capsnap, capsnap->follows);
 		}
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (drop)
 		iput(inode);
 }
@@ -2598,7 +2597,7 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
 static void handle_cap_trunc(struct inode *inode,
 			     struct ceph_mds_caps *trunc,
 			     struct ceph_mds_session *session)
-	__releases(inode->i_lock)
+	__releases(ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int mds = session->s_mds;
@@ -2617,7 +2616,7 @@ static void handle_cap_trunc(struct inode *inode,
 	     inode, mds, seq, truncate_size, truncate_seq);
 	queue_trunc = ceph_fill_file_size(inode, issued,
 					  truncate_seq, truncate_size, size);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (queue_trunc)
 		ceph_queue_vmtruncate(inode);
@@ -2646,7 +2645,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
 	dout("handle_cap_export inode %p ci %p mds%d mseq %d\n",
 	     inode, ci, mds, mseq);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	/* make sure we haven't seen a higher mseq */
 	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
@@ -2690,7 +2689,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
 	}
 	/* else, we already released it */
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -2745,9 +2744,9 @@ static void handle_cap_import(struct ceph_mds_client *mdsc,
 	up_read(&mdsc->snap_rwsem);
 
 	/* make sure we re-request max_size, if necessary */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_requested_max_size = 0;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -2762,6 +2761,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 	struct ceph_mds_client *mdsc = session->s_mdsc;
 	struct super_block *sb = mdsc->fsc->sb;
 	struct inode *inode;
+	struct ceph_inode_info *ci;
 	struct ceph_cap *cap;
 	struct ceph_mds_caps *h;
 	int mds = session->s_mds;
@@ -2815,6 +2815,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 
 	/* lookup ino */
 	inode = ceph_find_inode(sb, vino);
+	ci = ceph_inode(inode);
 	dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino,
 	     vino.snap, inode);
 	if (!inode) {
@@ -2844,16 +2845,16 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 	}
 
 	/* the rest require a cap */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = __get_cap_for_mds(ceph_inode(inode), mds);
 	if (!cap) {
 		dout(" no cap on %p ino %llx.%llx from mds%d\n",
 		     inode, ceph_ino(inode), ceph_snap(inode), mds);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		goto flush_cap_releases;
 	}
 
-	/* note that each of these drops i_lock for us */
+	/* note that each of these drops i_ceph_lock for us */
 	switch (op) {
 	case CEPH_CAP_OP_REVOKE:
 	case CEPH_CAP_OP_GRANT:
@@ -2869,7 +2870,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 		break;
 
 	default:
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		pr_err("ceph_handle_caps: unknown cap op %d %s\n", op,
 		       ceph_cap_op_name(op));
 	}
@@ -2962,13 +2963,13 @@ void ceph_put_fmode(struct ceph_inode_info *ci, int fmode)
 	struct inode *inode = &ci->vfs_inode;
 	int last = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("put_fmode %p fmode %d %d -> %d\n", inode, fmode,
 	     ci->i_nr_by_mode[fmode], ci->i_nr_by_mode[fmode]-1);
 	BUG_ON(ci->i_nr_by_mode[fmode] == 0);
 	if (--ci->i_nr_by_mode[fmode] == 0)
 		last++;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (last && ci->i_vino.snap == CEPH_NOSNAP)
 		ceph_check_caps(ci, 0, NULL);
@@ -2991,7 +2992,7 @@ int ceph_encode_inode_release(void **p, struct inode *inode,
 	int used, dirty;
 	int ret = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	used = __ceph_caps_used(ci);
 	dirty = __ceph_caps_dirty(ci);
 
@@ -3046,7 +3047,7 @@ int ceph_encode_inode_release(void **p, struct inode *inode,
 			     inode, cap, ceph_cap_string(cap->issued));
 		}
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return ret;
 }
 
@@ -3061,7 +3062,7 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry,
 
 	/*
 	 * force an record for the directory caps if we have a dentry lease.
-	 * this is racy (can't take i_lock and d_lock together), but it
+	 * this is racy (can't take i_ceph_lock and d_lock together), but it
 	 * doesn't have to be perfect; the mds will revoke anything we don't
 	 * release.
 	 */
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index bca3948e9dbf..3eeb97661262 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -281,18 +281,18 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	}
 
 	/* can we use the dcache? */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if ((filp->f_pos == 2 || fi->dentry) &&
 	    !ceph_test_mount_opt(fsc, NOASYNCREADDIR) &&
 	    ceph_snap(inode) != CEPH_SNAPDIR &&
 	    ceph_dir_test_complete(inode) &&
 	    __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		err = __dcache_readdir(filp, dirent, filldir);
 		if (err != -EAGAIN)
 			return err;
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 	if (fi->dentry) {
 		err = note_last_dentry(fi, fi->dentry->d_name.name,
@@ -428,12 +428,12 @@ more:
 	 * were released during the whole readdir, and we should have
 	 * the complete dir contents in our cache.
 	 */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_release_count == fi->dir_release_count) {
 		ceph_dir_set_complete(inode);
 		ci->i_max_offset = filp->f_pos;
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	dout("readdir %p filp %p done.\n", inode, filp);
 	return 0;
@@ -607,7 +607,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		struct ceph_inode_info *ci = ceph_inode(dir);
 		struct ceph_dentry_info *di = ceph_dentry(dentry);
 
-		spin_lock(&dir->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		dout(" dir %p flags are %d\n", dir, ci->i_ceph_flags);
 		if (strncmp(dentry->d_name.name,
 			    fsc->mount_options->snapdir_name,
@@ -615,13 +615,13 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		    !is_root_ceph_dentry(dir, dentry) &&
 		    ceph_dir_test_complete(dir) &&
 		    (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
-			spin_unlock(&dir->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			dout(" dir %p complete, -ENOENT\n", dir);
 			d_add(dentry, NULL);
 			di->lease_shared_gen = ci->i_shared_gen;
 			return NULL;
 		}
-		spin_unlock(&dir->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 
 	op = ceph_snap(dir) == CEPH_SNAPDIR ?
@@ -841,12 +841,12 @@ static int drop_caps_for_unlink(struct inode *inode)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (inode->i_nlink == 1) {
 		drop |= ~(__ceph_caps_wanted(ci) | CEPH_CAP_PIN);
 		ci->i_ceph_flags |= CEPH_I_NODELAY;
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return drop;
 }
 
@@ -1015,10 +1015,10 @@ static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry)
 	struct ceph_dentry_info *di = ceph_dentry(dentry);
 	int valid = 0;
 
-	spin_lock(&dir->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_shared_gen == di->lease_shared_gen)
 		valid = __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1);
-	spin_unlock(&dir->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	dout("dir_lease_is_valid dir %p v%u dentry %p v%u = %d\n",
 	     dir, (unsigned)ci->i_shared_gen, dentry,
 	     (unsigned)di->lease_shared_gen, valid);
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ce549d31eeb7..ed72428d9c75 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -147,9 +147,9 @@ int ceph_open(struct inode *inode, struct file *file)
 
 	/* trivially open snapdir */
 	if (ceph_snap(inode) == CEPH_SNAPDIR) {
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		__ceph_get_fmode(ci, fmode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return ceph_init_file(inode, file, fmode);
 	}
 
@@ -158,7 +158,7 @@ int ceph_open(struct inode *inode, struct file *file)
 	 * write) or any MDS (for read).  Update wanted set
 	 * asynchronously.
 	 */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (__ceph_is_any_real_caps(ci) &&
 	    (((fmode & CEPH_FILE_MODE_WR) == 0) || ci->i_auth_cap)) {
 		int mds_wanted = __ceph_caps_mds_wanted(ci);
@@ -168,7 +168,7 @@ int ceph_open(struct inode *inode, struct file *file)
 		     inode, fmode, ceph_cap_string(wanted),
 		     ceph_cap_string(issued));
 		__ceph_get_fmode(ci, fmode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 
 		/* adjust wanted? */
 		if ((issued & wanted) != wanted &&
@@ -180,10 +180,10 @@ int ceph_open(struct inode *inode, struct file *file)
 	} else if (ceph_snap(inode) != CEPH_NOSNAP &&
 		   (ci->i_snap_caps & wanted) == wanted) {
 		__ceph_get_fmode(ci, fmode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return ceph_init_file(inode, file, fmode);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	dout("open fmode %d wants %s\n", fmode, ceph_cap_string(wanted));
 	req = prepare_open_request(inode->i_sb, flags, 0);
@@ -743,9 +743,9 @@ retry_snap:
 		 */
 		int dirty;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		ceph_put_cap_refs(ci, got);
 
 		ret = generic_file_aio_write(iocb, iov, nr_segs, pos);
@@ -764,9 +764,9 @@ retry_snap:
 
 	if (ret >= 0) {
 		int dirty;
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		if (dirty)
 			__mark_inode_dirty(inode, dirty);
 	}
@@ -797,7 +797,8 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int origin)
 
 	mutex_lock(&inode->i_mutex);
 	__ceph_do_pending_vmtruncate(inode);
-	if (origin != SEEK_CUR || origin != SEEK_SET) {
+
+	if (origin == SEEK_END || origin == SEEK_DATA || origin == SEEK_HOLE) {
 		ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE);
 		if (ret < 0) {
 			offset = ret;
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 116f36502f17..87fb132fb330 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -297,6 +297,8 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
 
 	dout("alloc_inode %p\n", &ci->vfs_inode);
 
+	spin_lock_init(&ci->i_ceph_lock);
+
 	ci->i_version = 0;
 	ci->i_time_warp_seq = 0;
 	ci->i_ceph_flags = 0;
@@ -583,7 +585,7 @@ static int fill_inode(struct inode *inode,
 			       iinfo->xattr_len);
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	/*
 	 * provided version will be odd if inode value is projected,
@@ -680,7 +682,7 @@ static int fill_inode(struct inode *inode,
 			char *sym;
 
 			BUG_ON(symlen != inode->i_size);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 
 			err = -ENOMEM;
 			sym = kmalloc(symlen+1, GFP_NOFS);
@@ -689,7 +691,7 @@ static int fill_inode(struct inode *inode,
 			memcpy(sym, iinfo->symlink, symlen);
 			sym[symlen] = 0;
 
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			if (!ci->i_symlink)
 				ci->i_symlink = sym;
 			else
@@ -715,7 +717,7 @@ static int fill_inode(struct inode *inode,
 	}
 
 no_change:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	/* queue truncate if we saw i_size decrease */
 	if (queue_trunc)
@@ -750,13 +752,13 @@ no_change:
 				     info->cap.flags,
 				     caps_reservation);
 		} else {
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			dout(" %p got snap_caps %s\n", inode,
 			     ceph_cap_string(le32_to_cpu(info->cap.caps)));
 			ci->i_snap_caps |= le32_to_cpu(info->cap.caps);
 			if (cap_fmode >= 0)
 				__ceph_get_fmode(ci, cap_fmode);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 	} else if (cap_fmode >= 0) {
 		pr_warning("mds issued no caps on %llx.%llx\n",
@@ -849,19 +851,20 @@ static void ceph_set_dentry_offset(struct dentry *dn)
 {
 	struct dentry *dir = dn->d_parent;
 	struct inode *inode = dir->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_dentry_info *di;
 
 	BUG_ON(!inode);
 
 	di = ceph_dentry(dn);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (!ceph_dir_test_complete(inode)) {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return;
 	}
 	di->offset = ceph_inode(inode)->i_max_offset++;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	spin_lock(&dir->d_lock);
 	spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
@@ -1308,7 +1311,7 @@ int ceph_inode_set_size(struct inode *inode, loff_t size)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int ret = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size);
 	inode->i_size = size;
 	inode->i_blocks = (size + (1 << 9) - 1) >> 9;
@@ -1318,7 +1321,7 @@ int ceph_inode_set_size(struct inode *inode, loff_t size)
 	    (ci->i_reported_size << 1) < ci->i_max_size)
 		ret = 1;
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return ret;
 }
 
@@ -1376,20 +1379,20 @@ static void ceph_invalidate_work(struct work_struct *work)
 	u32 orig_gen;
 	int check = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("invalidate_pages %p gen %d revoking %d\n", inode,
 	     ci->i_rdcache_gen, ci->i_rdcache_revoking);
 	if (ci->i_rdcache_revoking != ci->i_rdcache_gen) {
 		/* nevermind! */
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		goto out;
 	}
 	orig_gen = ci->i_rdcache_gen;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	truncate_inode_pages(&inode->i_data, 0);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (orig_gen == ci->i_rdcache_gen &&
 	    orig_gen == ci->i_rdcache_revoking) {
 		dout("invalidate_pages %p gen %d successful\n", inode,
@@ -1401,7 +1404,7 @@ static void ceph_invalidate_work(struct work_struct *work)
 		     inode, orig_gen, ci->i_rdcache_gen,
 		     ci->i_rdcache_revoking);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (check)
 		ceph_check_caps(ci, 0, NULL);
@@ -1460,10 +1463,10 @@ void __ceph_do_pending_vmtruncate(struct inode *inode)
 	int wrbuffer_refs, wake = 0;
 
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_truncate_pending == 0) {
 		dout("__do_pending_vmtruncate %p none pending\n", inode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return;
 	}
 
@@ -1474,7 +1477,7 @@ retry:
 	if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) {
 		dout("__do_pending_vmtruncate %p flushing snaps first\n",
 		     inode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		filemap_write_and_wait_range(&inode->i_data, 0,
 					     inode->i_sb->s_maxbytes);
 		goto retry;
@@ -1484,15 +1487,15 @@ retry:
 	wrbuffer_refs = ci->i_wrbuffer_ref;
 	dout("__do_pending_vmtruncate %p (%d) to %lld\n", inode,
 	     ci->i_truncate_pending, to);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	truncate_inode_pages(inode->i_mapping, to);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_truncate_pending--;
 	if (ci->i_truncate_pending == 0)
 		wake = 1;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (wrbuffer_refs == 0)
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
@@ -1547,7 +1550,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	issued = __ceph_caps_issued(ci, NULL);
 	dout("setattr %p issued %s\n", inode, ceph_cap_string(issued));
 
@@ -1695,7 +1698,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	release &= issued;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (inode_dirty_flags)
 		__mark_inode_dirty(inode, inode_dirty_flags);
@@ -1717,7 +1720,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	__ceph_do_pending_vmtruncate(inode);
 	return err;
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	ceph_mdsc_put_request(req);
 	return err;
 }
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 5a14c29cbba6..790914a598dd 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -241,11 +241,11 @@ static long ceph_ioctl_lazyio(struct file *file)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
 	if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) {
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		ci->i_nr_by_mode[fi->fmode]--;
 		fi->fmode |= CEPH_FILE_MODE_LAZY;
 		ci->i_nr_by_mode[fi->fmode]++;
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		dout("ioctl_layzio: file %p marked lazy\n", file);
 
 		ceph_check_caps(ci, 0, NULL);
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 264ab701154f..6203d805eb45 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -732,21 +732,21 @@ static int __choose_mds(struct ceph_mds_client *mdsc,
 		}
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = NULL;
 	if (mode == USE_AUTH_MDS)
 		cap = ci->i_auth_cap;
 	if (!cap && !RB_EMPTY_ROOT(&ci->i_caps))
 		cap = rb_entry(rb_first(&ci->i_caps), struct ceph_cap, ci_node);
 	if (!cap) {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		goto random;
 	}
 	mds = cap->session->s_mds;
 	dout("choose_mds %p %llx.%llx mds%d (%scap %p)\n",
 	     inode, ceph_vinop(inode), mds,
 	     cap == ci->i_auth_cap ? "auth " : "", cap);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return mds;
 
 random:
@@ -951,7 +951,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
 
 	dout("removing cap %p, ci is %p, inode is %p\n",
 	     cap, ci, &ci->vfs_inode);
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__ceph_remove_cap(cap);
 	if (!__ceph_is_any_real_caps(ci)) {
 		struct ceph_mds_client *mdsc =
@@ -984,7 +984,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
 		}
 		spin_unlock(&mdsc->cap_dirty_lock);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	while (drop--)
 		iput(inode);
 	return 0;
@@ -1015,10 +1015,10 @@ static int wake_up_session_cb(struct inode *inode, struct ceph_cap *cap,
 
 	wake_up_all(&ci->i_cap_wq);
 	if (arg) {
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		ci->i_wanted_max_size = 0;
 		ci->i_requested_max_size = 0;
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 	return 0;
 }
@@ -1151,7 +1151,7 @@ static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
 	if (session->s_trim_caps <= 0)
 		return -1;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	mine = cap->issued | cap->implemented;
 	used = __ceph_caps_used(ci);
 	oissued = __ceph_caps_issued_other(ci, cap);
@@ -1170,7 +1170,7 @@ static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
 		__ceph_remove_cap(cap);
 	} else {
 		/* try to drop referring dentries */
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		d_prune_aliases(inode);
 		dout("trim_caps_cb %p cap %p  pruned, count now %d\n",
 		     inode, cap, atomic_read(&inode->i_count));
@@ -1178,7 +1178,7 @@ static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
 	}
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return 0;
 }
 
@@ -1296,7 +1296,7 @@ static int check_cap_flush(struct ceph_mds_client *mdsc, u64 want_flush_seq)
 					   i_flushing_item);
 			struct inode *inode = &ci->vfs_inode;
 
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			if (ci->i_cap_flush_seq <= want_flush_seq) {
 				dout("check_cap_flush still flushing %p "
 				     "seq %lld <= %lld to mds%d\n", inode,
@@ -1304,7 +1304,7 @@ static int check_cap_flush(struct ceph_mds_client *mdsc, u64 want_flush_seq)
 				     session->s_mds);
 				ret = 0;
 			}
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 		mutex_unlock(&session->s_mutex);
 		ceph_put_mds_session(session);
@@ -1495,6 +1495,7 @@ retry:
 			     pos, temp);
 		} else if (stop_on_nosnap && inode &&
 			   ceph_snap(inode) == CEPH_NOSNAP) {
+			spin_unlock(&temp->d_lock);
 			break;
 		} else {
 			pos -= temp->d_name.len;
@@ -2011,10 +2012,10 @@ void ceph_invalidate_dir_request(struct ceph_mds_request *req)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
 	dout("invalidate_dir_request %p (D_COMPLETE, lease(s))\n", inode);
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ceph_dir_clear_complete(inode);
 	ci->i_release_count++;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (req->r_dentry)
 		ceph_invalidate_dentry_lease(req->r_dentry);
@@ -2422,7 +2423,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
 	if (err)
 		goto out_free;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap->seq = 0;        /* reset cap seq */
 	cap->issue_seq = 0;  /* and issue_seq */
 
@@ -2445,7 +2446,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
 		rec.v1.pathbase = cpu_to_le64(pathbase);
 		reclen = sizeof(rec.v1);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (recon_state->flock) {
 		int num_fcntl_locks, num_flock_locks;
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 4bb239921dbd..a50ca0e39475 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -20,7 +20,7 @@
  *
  *         mdsc->snap_rwsem
  *
- *         inode->i_lock
+ *         ci->i_ceph_lock
  *                 mdsc->snap_flush_lock
  *                 mdsc->cap_delay_lock
  *
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index e26437191333..a559c80f127a 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -446,7 +446,7 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
 		return;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	used = __ceph_caps_used(ci);
 	dirty = __ceph_caps_dirty(ci);
 
@@ -528,7 +528,7 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
 		kfree(capsnap);
 	}
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -537,7 +537,7 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
  *
  * If capsnap can now be flushed, add to snap_flush list, and return 1.
  *
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
  */
 int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
 			    struct ceph_cap_snap *capsnap)
@@ -739,9 +739,9 @@ static void flush_snaps(struct ceph_mds_client *mdsc)
 		inode = &ci->vfs_inode;
 		ihold(inode);
 		spin_unlock(&mdsc->snap_flush_lock);
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		__ceph_flush_snaps(ci, &session, 0);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		iput(inode);
 		spin_lock(&mdsc->snap_flush_lock);
 	}
@@ -847,7 +847,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 				continue;
 			ci = ceph_inode(inode);
 
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			if (!ci->i_snap_realm)
 				goto skip_inode;
 			/*
@@ -876,7 +876,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 			oldrealm = ci->i_snap_realm;
 			ci->i_snap_realm = realm;
 			spin_unlock(&realm->inodes_with_caps_lock);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 
 			ceph_get_snap_realm(mdsc, realm);
 			ceph_put_snap_realm(mdsc, oldrealm);
@@ -885,7 +885,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 			continue;
 
 skip_inode:
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			iput(inode);
 		}
 
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 8dc73a594a90..b48f15f101a0 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -383,7 +383,7 @@ static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
 	if (fsopt->rsize != CEPH_RSIZE_DEFAULT)
 		seq_printf(m, ",rsize=%d", fsopt->rsize);
 	if (fsopt->rasize != CEPH_RASIZE_DEFAULT)
-		seq_printf(m, ",rasize=%d", fsopt->rsize);
+		seq_printf(m, ",rasize=%d", fsopt->rasize);
 	if (fsopt->congestion_kb != default_congestion_kb())
 		seq_printf(m, ",write_congestion_kb=%d", fsopt->congestion_kb);
 	if (fsopt->caps_wanted_delay_min != CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT)
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 01bf189e08a9..edcbf3774a56 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -220,7 +220,7 @@ struct ceph_dentry_info {
  * The locking for D_COMPLETE is a bit odd:
  *  - we can clear it at almost any time (see ceph_d_prune)
  *  - it is only meaningful if:
- *    - we hold dir inode i_lock
+ *    - we hold dir inode i_ceph_lock
  *    - we hold dir FILE_SHARED caps
  *    - the dentry D_COMPLETE is set
  */
@@ -250,6 +250,8 @@ struct ceph_inode_xattrs_info {
 struct ceph_inode_info {
 	struct ceph_vino i_vino;   /* ceph ino + snap */
 
+	spinlock_t i_ceph_lock;
+
 	u64 i_version;
 	u32 i_time_warp_seq;
 
@@ -271,7 +273,7 @@ struct ceph_inode_info {
 
 	struct ceph_inode_xattrs_info i_xattrs;
 
-	/* capabilities.  protected _both_ by i_lock and cap->session's
+	/* capabilities.  protected _both_ by i_ceph_lock and cap->session's
 	 * s_mutex. */
 	struct rb_root i_caps;           /* cap list */
 	struct ceph_cap *i_auth_cap;     /* authoritative cap, if any */
@@ -437,18 +439,18 @@ static inline void ceph_i_clear(struct inode *inode, unsigned mask)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_ceph_flags &= ~mask;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 static inline void ceph_i_set(struct inode *inode, unsigned mask)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_ceph_flags |= mask;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 static inline bool ceph_i_test(struct inode *inode, unsigned mask)
@@ -456,9 +458,9 @@ static inline bool ceph_i_test(struct inode *inode, unsigned mask)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	bool r;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	r = (ci->i_ceph_flags & mask) == mask;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return r;
 }
 
@@ -508,9 +510,9 @@ extern int __ceph_caps_issued_other(struct ceph_inode_info *ci,
 static inline int ceph_caps_issued(struct ceph_inode_info *ci)
 {
 	int issued;
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	issued = __ceph_caps_issued(ci, NULL);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return issued;
 }
 
@@ -518,9 +520,9 @@ static inline int ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask,
 					int touch)
 {
 	int r;
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	r = __ceph_caps_issued_mask(ci, mask, touch);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return r;
 }
 
@@ -743,10 +745,9 @@ extern int ceph_add_cap(struct inode *inode,
 extern void __ceph_remove_cap(struct ceph_cap *cap);
 static inline void ceph_remove_cap(struct ceph_cap *cap)
 {
-	struct inode *inode = &cap->ci->vfs_inode;
-	spin_lock(&inode->i_lock);
+	spin_lock(&cap->ci->i_ceph_lock);
 	__ceph_remove_cap(cap);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&cap->ci->i_ceph_lock);
 }
 extern void ceph_put_cap(struct ceph_mds_client *mdsc,
 			 struct ceph_cap *cap);
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 96c6739a0280..a5e36e4488a7 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -343,8 +343,8 @@ void __ceph_destroy_xattrs(struct ceph_inode_info *ci)
 }
 
 static int __build_xattrs(struct inode *inode)
-	__releases(inode->i_lock)
-	__acquires(inode->i_lock)
+	__releases(ci->i_ceph_lock)
+	__acquires(ci->i_ceph_lock)
 {
 	u32 namelen;
 	u32 numattr = 0;
@@ -372,7 +372,7 @@ start:
 		end = p + ci->i_xattrs.blob->vec.iov_len;
 		ceph_decode_32_safe(&p, end, numattr, bad);
 		xattr_version = ci->i_xattrs.version;
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 
 		xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *),
 				 GFP_NOFS);
@@ -387,7 +387,7 @@ start:
 				goto bad_lock;
 		}
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		if (ci->i_xattrs.version != xattr_version) {
 			/* lost a race, retry */
 			for (i = 0; i < numattr; i++)
@@ -418,7 +418,7 @@ start:
 
 	return err;
 bad_lock:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 bad:
 	if (xattrs) {
 		for (i = 0; i < numattr; i++)
@@ -512,7 +512,7 @@ ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value,
 	if (vxattrs)
 		vxattr = ceph_match_vxattr(vxattrs, name);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("getxattr %p ver=%lld index_ver=%lld\n", inode,
 	     ci->i_xattrs.version, ci->i_xattrs.index_version);
 
@@ -520,14 +520,14 @@ ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value,
 	    (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
 		goto get_xattr;
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		/* get xattrs from mds (if we don't already have them) */
 		err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
 		if (err)
 			return err;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	if (vxattr && vxattr->readonly) {
 		err = vxattr->getxattr_cb(ci, value, size);
@@ -558,7 +558,7 @@ get_xattr:
 	memcpy(value, xattr->val, xattr->val_len);
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return err;
 }
 
@@ -573,7 +573,7 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
 	u32 len;
 	int i;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("listxattr %p ver=%lld index_ver=%lld\n", inode,
 	     ci->i_xattrs.version, ci->i_xattrs.index_version);
 
@@ -581,13 +581,13 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
 	    (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
 		goto list_xattr;
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
 		if (err)
 			return err;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	err = __build_xattrs(inode);
 	if (err < 0)
@@ -619,7 +619,7 @@ list_xattr:
 		}
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return err;
 }
 
@@ -739,7 +739,7 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
 	if (!xattr)
 		goto out;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 retry:
 	issued = __ceph_caps_issued(ci, NULL);
 	if (!(issued & CEPH_CAP_XATTR_EXCL))
@@ -752,12 +752,12 @@ retry:
 	    required_blob_size > ci->i_xattrs.prealloc_blob->alloc_len) {
 		struct ceph_buffer *blob = NULL;
 
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		dout(" preaallocating new blob size=%d\n", required_blob_size);
 		blob = ceph_buffer_new(required_blob_size, GFP_NOFS);
 		if (!blob)
 			goto out;
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		if (ci->i_xattrs.prealloc_blob)
 			ceph_buffer_put(ci->i_xattrs.prealloc_blob);
 		ci->i_xattrs.prealloc_blob = blob;
@@ -770,13 +770,13 @@ retry:
 	dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
 	ci->i_xattrs.dirty = true;
 	inode->i_ctime = CURRENT_TIME;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (dirty)
 		__mark_inode_dirty(inode, dirty);
 	return err;
 
 do_sync:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	err = ceph_sync_setxattr(dentry, name, value, size, flags);
 out:
 	kfree(newname);
@@ -833,7 +833,7 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
 			return -EOPNOTSUPP;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__build_xattrs(inode);
 	issued = __ceph_caps_issued(ci, NULL);
 	dout("removexattr %p issued %s\n", inode, ceph_cap_string(issued));
@@ -846,12 +846,12 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
 	ci->i_xattrs.dirty = true;
 	inode->i_ctime = CURRENT_TIME;
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (dirty)
 		__mark_inode_dirty(inode, dirty);
 	return err;
 do_sync:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	err = ceph_send_removexattr(dentry, name);
 	return err;
 }
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index ca418aaf6352..9d8715c45f25 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -292,7 +292,7 @@ int __init configfs_inode_init(void)
 	return bdi_init(&configfs_backing_dev_info);
 }
 
-void __exit configfs_inode_exit(void)
+void configfs_inode_exit(void)
 {
 	bdi_destroy(&configfs_backing_dev_info);
 }
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index ecc62178beda..276e15cafd58 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -143,28 +143,26 @@ static int __init configfs_init(void)
 		goto out;
 
 	config_kobj = kobject_create_and_add("config", kernel_kobj);
-	if (!config_kobj) {
-		kmem_cache_destroy(configfs_dir_cachep);
-		configfs_dir_cachep = NULL;
-		goto out;
-	}
+	if (!config_kobj)
+		goto out2;
+
+	err = configfs_inode_init();
+	if (err)
+		goto out3;
 
 	err = register_filesystem(&configfs_fs_type);
-	if (err) {
-		printk(KERN_ERR "configfs: Unable to register filesystem!\n");
-		kobject_put(config_kobj);
-		kmem_cache_destroy(configfs_dir_cachep);
-		configfs_dir_cachep = NULL;
-		goto out;
-	}
+	if (err)
+		goto out4;
 
-	err = configfs_inode_init();
-	if (err) {
-		unregister_filesystem(&configfs_fs_type);
-		kobject_put(config_kobj);
-		kmem_cache_destroy(configfs_dir_cachep);
-		configfs_dir_cachep = NULL;
-	}
+	return 0;
+out4:
+	printk(KERN_ERR "configfs: Unable to register filesystem!\n");
+	configfs_inode_exit();
+out3:
+	kobject_put(config_kobj);
+out2:
+	kmem_cache_destroy(configfs_dir_cachep);
+	configfs_dir_cachep = NULL;
 out:
 	return err;
 }
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 61fa9e1614af..607b1557d292 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1095,7 +1095,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
 		  le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),
 		  ext4_idx_pblock(EXT_FIRST_INDEX(neh)));
 
-	neh->eh_depth = cpu_to_le16(neh->eh_depth + 1);
+	neh->eh_depth = cpu_to_le16(le16_to_cpu(neh->eh_depth) + 1);
 	ext4_mark_inode_dirty(handle, inode);
 out:
 	brelse(bh);
@@ -2955,7 +2955,6 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	/* Pre-conditions */
 	BUG_ON(!ext4_ext_is_uninitialized(ex));
 	BUG_ON(!in_range(map->m_lblk, ee_block, ee_len));
-	BUG_ON(map->m_lblk + map->m_len > ee_block + ee_len);
 
 	/*
 	 * Attempt to transfer newly initialized blocks from the currently
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 848f436df29f..92655fd89657 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1339,8 +1339,11 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd,
 					clear_buffer_unwritten(bh);
 				}
 
-				/* skip page if block allocation undone */
-				if (buffer_delay(bh) || buffer_unwritten(bh))
+				/*
+				 * skip page if block allocation undone and
+				 * block is dirty
+				 */
+				if (ext4_bh_delay_or_unwritten(NULL, bh))
 					skip_page = 1;
 				bh = bh->b_this_page;
 				block_start += bh->b_size;
@@ -2387,7 +2390,6 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
 	pgoff_t index;
 	struct inode *inode = mapping->host;
 	handle_t *handle;
-	loff_t page_len;
 
 	index = pos >> PAGE_CACHE_SHIFT;
 
@@ -2434,13 +2436,6 @@ retry:
 		 */
 		if (pos + len > inode->i_size)
 			ext4_truncate_failed_write(inode);
-	} else {
-		page_len = pos & (PAGE_CACHE_SIZE - 1);
-		if (page_len > 0) {
-			ret = ext4_discard_partial_page_buffers_no_lock(handle,
-				inode, page, pos - page_len, page_len,
-				EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
-		}
 	}
 
 	if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
@@ -2483,7 +2478,6 @@ static int ext4_da_write_end(struct file *file,
 	loff_t new_i_size;
 	unsigned long start, end;
 	int write_mode = (int)(unsigned long)fsdata;
-	loff_t page_len;
 
 	if (write_mode == FALL_BACK_TO_NONDELALLOC) {
 		if (ext4_should_order_data(inode)) {
@@ -2508,7 +2502,7 @@ static int ext4_da_write_end(struct file *file,
 	 */
 
 	new_i_size = pos + copied;
-	if (new_i_size > EXT4_I(inode)->i_disksize) {
+	if (copied && new_i_size > EXT4_I(inode)->i_disksize) {
 		if (ext4_da_should_update_i_disksize(page, end)) {
 			down_write(&EXT4_I(inode)->i_data_sem);
 			if (new_i_size > EXT4_I(inode)->i_disksize) {
@@ -2532,16 +2526,6 @@ static int ext4_da_write_end(struct file *file,
 	}
 	ret2 = generic_write_end(file, mapping, pos, len, copied,
 							page, fsdata);
-
-	page_len = PAGE_CACHE_SIZE -
-			((pos + copied - 1) & (PAGE_CACHE_SIZE - 1));
-
-	if (page_len > 0) {
-		ret = ext4_discard_partial_page_buffers_no_lock(handle,
-			inode, page, pos + copied - 1, page_len,
-			EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
-	}
-
 	copied = ret2;
 	if (ret2 < 0)
 		ret = ret2;
@@ -2781,10 +2765,11 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
  		  iocb->private, io_end->inode->i_ino, iocb, offset,
 		  size);
 
+	iocb->private = NULL;
+
 	/* if not aio dio with unwritten extents, just free io and return */
 	if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
 		ext4_free_io_end(io_end);
-		iocb->private = NULL;
 out:
 		if (is_async)
 			aio_complete(iocb, ret, 0);
@@ -2807,7 +2792,6 @@ out:
 	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 
 	/* queue the work to convert unwritten extents to written */
-	iocb->private = NULL;
 	queue_work(wq, &io_end->work);
 
 	/* XXX: probably should move into the real I/O completion handler */
@@ -3203,26 +3187,8 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
 
 	iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
 
-	if (!page_has_buffers(page)) {
-		/*
-		 * If the range to be discarded covers a partial block
-		 * we need to get the page buffers.  This is because
-		 * partial blocks cannot be released and the page needs
-		 * to be updated with the contents of the block before
-		 * we write the zeros on top of it.
-		 */
-		if ((from & (blocksize - 1)) ||
-		    ((from + length) & (blocksize - 1))) {
-			create_empty_buffers(page, blocksize, 0);
-		} else {
-			/*
-			 * If there are no partial blocks,
-			 * there is nothing to update,
-			 * so we can return now
-			 */
-			return 0;
-		}
-	}
+	if (!page_has_buffers(page))
+		create_empty_buffers(page, blocksize, 0);
 
 	/* Find the buffer that contains "offset" */
 	bh = page_buffers(page);
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7ce1d0b19c94..7e106c810c62 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -385,6 +385,18 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
 
 		block_end = block_start + blocksize;
 		if (block_start >= len) {
+			/*
+			 * Comments copied from block_write_full_page_endio:
+			 *
+			 * The page straddles i_size.  It must be zeroed out on
+			 * each and every writepage invocation because it may
+			 * be mmapped.  "A file is mapped in multiples of the
+			 * page size.  For a file that is not a multiple of
+			 * the  page size, the remaining memory is zeroed when
+			 * mapped, and writes to that region are not written
+			 * out to the file."
+			 */
+			zero_user_segment(page, block_start, block_end);
 			clear_buffer_dirty(bh);
 			set_buffer_uptodate(bh);
 			continue;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3858767ec672..3e1329e2f826 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1155,9 +1155,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
 		seq_puts(seq, ",block_validity");
 
 	if (!test_opt(sb, INIT_INODE_TABLE))
-		seq_puts(seq, ",noinit_inode_table");
+		seq_puts(seq, ",noinit_itable");
 	else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT)
-		seq_printf(seq, ",init_inode_table=%u",
+		seq_printf(seq, ",init_itable=%u",
 			   (unsigned) sbi->s_li_wait_mult);
 
 	ext4_show_quota_options(seq, sb);
@@ -1333,8 +1333,7 @@ enum {
 	Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity,
 	Opt_inode_readahead_blks, Opt_journal_ioprio,
 	Opt_dioread_nolock, Opt_dioread_lock,
-	Opt_discard, Opt_nodiscard,
-	Opt_init_inode_table, Opt_noinit_inode_table,
+	Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
 };
 
 static const match_table_t tokens = {
@@ -1407,9 +1406,9 @@ static const match_table_t tokens = {
 	{Opt_dioread_lock, "dioread_lock"},
 	{Opt_discard, "discard"},
 	{Opt_nodiscard, "nodiscard"},
-	{Opt_init_inode_table, "init_itable=%u"},
-	{Opt_init_inode_table, "init_itable"},
-	{Opt_noinit_inode_table, "noinit_itable"},
+	{Opt_init_itable, "init_itable=%u"},
+	{Opt_init_itable, "init_itable"},
+	{Opt_noinit_itable, "noinit_itable"},
 	{Opt_err, NULL},
 };
 
@@ -1892,7 +1891,7 @@ set_qf_format:
 		case Opt_dioread_lock:
 			clear_opt(sb, DIOREAD_NOLOCK);
 			break;
-		case Opt_init_inode_table:
+		case Opt_init_itable:
 			set_opt(sb, INIT_INODE_TABLE);
 			if (args[0].from) {
 				if (match_int(&args[0], &option))
@@ -1903,7 +1902,7 @@ set_qf_format:
 				return 0;
 			sbi->s_li_wait_mult = option;
 			break;
-		case Opt_noinit_inode_table:
+		case Opt_noinit_itable:
 			clear_opt(sb, INIT_INODE_TABLE);
 			break;
 		default:
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 73c3992b2bb4..517f211a3bd4 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -47,17 +47,6 @@ struct wb_writeback_work {
 	struct completion *done;	/* set if the caller waits */
 };
 
-const char *wb_reason_name[] = {
-	[WB_REASON_BACKGROUND]		= "background",
-	[WB_REASON_TRY_TO_FREE_PAGES]	= "try_to_free_pages",
-	[WB_REASON_SYNC]		= "sync",
-	[WB_REASON_PERIODIC]		= "periodic",
-	[WB_REASON_LAPTOP_TIMER]	= "laptop_timer",
-	[WB_REASON_FREE_MORE_MEM]	= "free_more_memory",
-	[WB_REASON_FS_FREE_SPACE]	= "fs_free_space",
-	[WB_REASON_FORKER_THREAD]	= "forker_thread"
-};
-
 /*
  * Include the creation of the trace points after defining the
  * wb_writeback_work structure so that the definition remains local to this
@@ -156,6 +145,7 @@ __bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages,
  * bdi_start_writeback - start writeback
  * @bdi: the backing device to write from
  * @nr_pages: the number of pages to write
+ * @reason: reason why some writeback work was initiated
  *
  * Description:
  *   This does WB_SYNC_NONE opportunistic writeback. The IO is only
@@ -1223,6 +1213,7 @@ static void wait_sb_inodes(struct super_block *sb)
  * writeback_inodes_sb_nr -	writeback dirty inodes from given super_block
  * @sb: the superblock
  * @nr: the number of pages to write
+ * @reason: reason why some writeback work initiated
  *
  * Start writeback on some inodes on this super_block. No guarantees are made
  * on how many (if any) will be written, and this function does not wait
@@ -1251,6 +1242,7 @@ EXPORT_SYMBOL(writeback_inodes_sb_nr);
 /**
  * writeback_inodes_sb	-	writeback dirty inodes from given super_block
  * @sb: the superblock
+ * @reason: reason why some writeback work was initiated
  *
  * Start writeback on some inodes on this super_block. No guarantees are made
  * on how many (if any) will be written, and this function does not wait
@@ -1265,6 +1257,7 @@ EXPORT_SYMBOL(writeback_inodes_sb);
 /**
  * writeback_inodes_sb_if_idle	-	start writeback if none underway
  * @sb: the superblock
+ * @reason: reason why some writeback work was initiated
  *
  * Invoke writeback_inodes_sb if no writeback is currently underway.
  * Returns 1 if writeback was started, 0 if not.
@@ -1285,6 +1278,7 @@ EXPORT_SYMBOL(writeback_inodes_sb_if_idle);
  * writeback_inodes_sb_if_idle	-	start writeback if none underway
  * @sb: the superblock
  * @nr: the number of pages to write
+ * @reason: reason why some writeback work was initiated
  *
  * Invoke writeback_inodes_sb if no writeback is currently underway.
  * Returns 1 if writeback was started, 0 if not.
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 5cb8614508c3..2aaf3eaaf13d 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1512,7 +1512,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
 	else if (outarg->offset + num > file_size)
 		num = file_size - outarg->offset;
 
-	while (num) {
+	while (num && req->num_pages < FUSE_MAX_PAGES_PER_REQ) {
 		struct page *page;
 		unsigned int this_num;
 
@@ -1526,6 +1526,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
 
 		num -= this_num;
 		total_len += this_num;
+		index++;
 	}
 	req->misc.retrieve_in.offset = outarg->offset;
 	req->misc.retrieve_in.size = total_len;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 594f07a81c28..0c84100acd44 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1556,7 +1556,7 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
 	struct inode *inode = file->f_path.dentry->d_inode;
 
 	mutex_lock(&inode->i_mutex);
-	if (origin != SEEK_CUR || origin != SEEK_SET) {
+	if (origin != SEEK_CUR && origin != SEEK_SET) {
 		retval = fuse_update_attributes(inode, NULL, file, NULL);
 		if (retval)
 			goto exit;
@@ -1567,6 +1567,10 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
 		offset += i_size_read(inode);
 		break;
 	case SEEK_CUR:
+		if (offset == 0) {
+			retval = file->f_pos;
+			goto exit;
+		}
 		offset += file->f_pos;
 		break;
 	case SEEK_DATA:
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 3e6d72756479..aa83109b9431 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1138,28 +1138,28 @@ static int __init fuse_fs_init(void)
 {
 	int err;
 
-	err = register_filesystem(&fuse_fs_type);
-	if (err)
-		goto out;
-
-	err = register_fuseblk();
-	if (err)
-		goto out_unreg;
-
 	fuse_inode_cachep = kmem_cache_create("fuse_inode",
 					      sizeof(struct fuse_inode),
 					      0, SLAB_HWCACHE_ALIGN,
 					      fuse_inode_init_once);
 	err = -ENOMEM;
 	if (!fuse_inode_cachep)
-		goto out_unreg2;
+		goto out;
+
+	err = register_fuseblk();
+	if (err)
+		goto out2;
+
+	err = register_filesystem(&fuse_fs_type);
+	if (err)
+		goto out3;
 
 	return 0;
 
- out_unreg2:
+ out3:
 	unregister_fuseblk();
- out_unreg:
-	unregister_filesystem(&fuse_fs_type);
+ out2:
+	kmem_cache_destroy(fuse_inode_cachep);
  out:
 	return err;
 }
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 5b5fa33b6b9d..cbd1a61c110a 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -548,7 +548,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 
 	error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY);
 	if (error)
-		goto out_bdi;
+		goto out_fput;
 
 	server->ncp_filp = ncp_filp;
 	server->ncp_sock = sock;
@@ -559,7 +559,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 		error = -EBADF;
 		server->info_filp = fget(data.info_fd);
 		if (!server->info_filp)
-			goto out_fput;
+			goto out_bdi;
 		error = -ENOTSOCK;
 		sock_inode = server->info_filp->f_path.dentry->d_inode;
 		if (!S_ISSOCK(sock_inode->i_mode))
@@ -746,9 +746,9 @@ out_nls:
 out_fput2:
 	if (server->info_filp)
 		fput(server->info_filp);
-out_fput:
-	bdi_destroy(&server->bdi);
 out_bdi:
+	bdi_destroy(&server->bdi);
+out_fput:
 	/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>:
 	 * 
 	 * The previously used put_filp(ncp_filp); was bogus, since
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index eca56d4b39c0..606ef0f20aed 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -147,7 +147,7 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin)
 	 * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate
 	 * the cached file length
 	 */
-	if (origin != SEEK_SET || origin != SEEK_CUR) {
+	if (origin != SEEK_SET && origin != SEEK_CUR) {
 		struct inode *inode = filp->f_mapping->host;
 
 		int retval = nfs_revalidate_file_size(inode, filp);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index be2bbac13817..d9f4d78c3413 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -39,6 +39,8 @@
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/string.h>
+#include <linux/ratelimit.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/gss_api.h>
@@ -894,6 +896,8 @@ out:
 
 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
 {
+	if (delegation == NULL)
+		return 0;
 	if ((delegation->type & fmode) != fmode)
 		return 0;
 	if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
@@ -1036,8 +1040,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
 		}
 		rcu_read_lock();
 		delegation = rcu_dereference(nfsi->delegation);
-		if (delegation == NULL ||
-		    !can_open_delegated(delegation, fmode)) {
+		if (!can_open_delegated(delegation, fmode)) {
 			rcu_read_unlock();
 			break;
 		}
@@ -1091,7 +1094,12 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
 		if (delegation)
 			delegation_flags = delegation->flags;
 		rcu_read_unlock();
-		if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
+		if (data->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR) {
+			pr_err_ratelimited("NFS: Broken NFSv4 server %s is "
+					"returning a delegation for "
+					"OPEN(CLAIM_DELEGATE_CUR)\n",
+					NFS_CLIENT(inode)->cl_server);
+		} else if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
 			nfs_inode_set_delegation(state->inode,
 					data->owner->so_cred,
 					&data->o_res);
@@ -1423,11 +1431,9 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
 			goto out_no_action;
 		rcu_read_lock();
 		delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
-		if (delegation != NULL &&
-		    test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) == 0) {
-			rcu_read_unlock();
-			goto out_no_action;
-		}
+		if (data->o_arg.claim != NFS4_OPEN_CLAIM_DELEGATE_CUR &&
+		    can_open_delegated(delegation, data->o_arg.fmode))
+			goto unlock_no_action;
 		rcu_read_unlock();
 	}
 	/* Update sequence id. */
@@ -1444,6 +1450,8 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
 		return;
 	rpc_call_start(task);
 	return;
+unlock_no_action:
+	rcu_read_unlock();
 out_no_action:
 	task->tk_action = NULL;
 
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 39914be40b03..6a7107ae6b72 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1156,11 +1156,13 @@ restart:
 		if (status >= 0) {
 			status = nfs4_reclaim_locks(state, ops);
 			if (status >= 0) {
+				spin_lock(&state->state_lock);
 				list_for_each_entry(lock, &state->lock_states, ls_locks) {
 					if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
 						printk("%s: Lock reclaim failed!\n",
 							__func__);
 				}
+				spin_unlock(&state->state_lock);
 				nfs4_put_open_state(state);
 				goto restart;
 			}
@@ -1224,10 +1226,12 @@ static void nfs4_clear_open_state(struct nfs4_state *state)
 	clear_bit(NFS_O_RDONLY_STATE, &state->flags);
 	clear_bit(NFS_O_WRONLY_STATE, &state->flags);
 	clear_bit(NFS_O_RDWR_STATE, &state->flags);
+	spin_lock(&state->state_lock);
 	list_for_each_entry(lock, &state->lock_states, ls_locks) {
 		lock->ls_seqid.flags = 0;
 		lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
 	}
+	spin_unlock(&state->state_lock);
 }
 
 static void nfs4_reset_seqids(struct nfs_server *server,
@@ -1350,12 +1354,14 @@ static void nfs4_warn_keyexpired(const char *s)
 static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
 {
 	switch (error) {
+		case 0:
+			break;
 		case -NFS4ERR_CB_PATH_DOWN:
 			nfs_handle_cb_pathdown(clp);
-			return 0;
+			break;
 		case -NFS4ERR_NO_GRACE:
 			nfs4_state_end_reclaim_reboot(clp);
-			return 0;
+			break;
 		case -NFS4ERR_STALE_CLIENTID:
 		case -NFS4ERR_LEASE_MOVED:
 			set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
@@ -1375,13 +1381,15 @@ static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
 		case -NFS4ERR_SEQ_MISORDERED:
 			set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
 			/* Zero session reset errors */
-			return 0;
+			break;
 		case -EKEYEXPIRED:
 			/* Nothing we can do */
 			nfs4_warn_keyexpired(clp->cl_hostname);
-			return 0;
+			break;
+		default:
+			return error;
 	}
-	return error;
+	return 0;
 }
 
 static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recovery_ops *ops)
@@ -1428,7 +1436,7 @@ static int nfs4_check_lease(struct nfs_client *clp)
 	struct rpc_cred *cred;
 	const struct nfs4_state_maintenance_ops *ops =
 		clp->cl_mvops->state_renewal_ops;
-	int status = -NFS4ERR_EXPIRED;
+	int status;
 
 	/* Is the client already known to have an expired lease? */
 	if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
@@ -1438,6 +1446,7 @@ static int nfs4_check_lease(struct nfs_client *clp)
 	spin_unlock(&clp->cl_lock);
 	if (cred == NULL) {
 		cred = nfs4_get_setclientid_cred(clp);
+		status = -ENOKEY;
 		if (cred == NULL)
 			goto out;
 	}
@@ -1525,16 +1534,16 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
 {
 	if (!flags)
 		return;
-	else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+	if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
 		nfs41_handle_server_reboot(clp);
-	else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+	if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
 			    SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
 			    SEQ4_STATUS_ADMIN_STATE_REVOKED |
 			    SEQ4_STATUS_LEASE_MOVED))
 		nfs41_handle_state_revoked(clp);
-	else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+	if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
 		nfs41_handle_recallable_state_revoked(clp);
-	else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+	if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
 			    SEQ4_STATUS_BACKCHANNEL_FAULT |
 			    SEQ4_STATUS_CB_PATH_DOWN_SESSION))
 		nfs41_handle_cb_path_down(clp);
@@ -1662,10 +1671,10 @@ static void nfs4_state_manager(struct nfs_client *clp)
 
 		if (test_and_clear_bit(NFS4CLNT_CHECK_LEASE, &clp->cl_state)) {
 			status = nfs4_check_lease(clp);
+			if (status < 0)
+				goto out_error;
 			if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
 				continue;
-			if (status < 0 && status != -NFS4ERR_CB_PATH_DOWN)
-				goto out_error;
 		}
 
 		/* Initialize or reset the session */
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 41d6743d303c..ac258beeda3c 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -625,6 +625,9 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
 		if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
 			goto out_free;
 
+		if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)
+			goto out_free;
+
 		len = argv[n].v_size * argv[n].v_nmembs;
 		base = (void __user *)(unsigned long)argv[n].v_base;
 		if (len == 0) {
@@ -842,6 +845,19 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case FS_IOC32_GETVERSION:
 		cmd = FS_IOC_GETVERSION;
 		break;
+	case NILFS_IOCTL_CHANGE_CPMODE:
+	case NILFS_IOCTL_DELETE_CHECKPOINT:
+	case NILFS_IOCTL_GET_CPINFO:
+	case NILFS_IOCTL_GET_CPSTAT:
+	case NILFS_IOCTL_GET_SUINFO:
+	case NILFS_IOCTL_GET_SUSTAT:
+	case NILFS_IOCTL_GET_VINFO:
+	case NILFS_IOCTL_GET_BDESCS:
+	case NILFS_IOCTL_CLEAN_SEGMENTS:
+	case NILFS_IOCTL_SYNC:
+	case NILFS_IOCTL_RESIZE:
+	case NILFS_IOCTL_SET_ALLOC_RANGE:
+		break;
 	default:
 		return -ENOIOCTLCMD;
 	}
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 9a8a2b77b874..03102d978180 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -91,20 +91,18 @@ static struct file_system_type proc_fs_type = {
 
 void __init proc_root_init(void)
 {
-	struct vfsmount *mnt;
 	int err;
 
 	proc_init_inodecache();
 	err = register_filesystem(&proc_fs_type);
 	if (err)
 		return;
-	mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
-	if (IS_ERR(mnt)) {
+	err = pid_ns_prepare_proc(&init_pid_ns);
+	if (err) {
 		unregister_filesystem(&proc_fs_type);
 		return;
 	}
 
-	init_pid_ns.proc_mnt = mnt;
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	proc_net_init();
@@ -209,5 +207,5 @@ int pid_ns_prepare_proc(struct pid_namespace *ns)
 
 void pid_ns_release_proc(struct pid_namespace *ns)
 {
-	mntput(ns->proc_mnt);
+	kern_unmount(ns->proc_mnt);
 }
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 20403dc5d437..ae0e76bb6ebf 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2264,19 +2264,12 @@ static int __init ubifs_init(void)
 		return -EINVAL;
 	}
 
-	err = register_filesystem(&ubifs_fs_type);
-	if (err) {
-		ubifs_err("cannot register file system, error %d", err);
-		return err;
-	}
-
-	err = -ENOMEM;
 	ubifs_inode_slab = kmem_cache_create("ubifs_inode_slab",
 				sizeof(struct ubifs_inode), 0,
 				SLAB_MEM_SPREAD | SLAB_RECLAIM_ACCOUNT,
 				&inode_slab_ctor);
 	if (!ubifs_inode_slab)
-		goto out_reg;
+		return -ENOMEM;
 
 	register_shrinker(&ubifs_shrinker_info);
 
@@ -2288,15 +2281,20 @@ static int __init ubifs_init(void)
 	if (err)
 		goto out_compr;
 
+	err = register_filesystem(&ubifs_fs_type);
+	if (err) {
+		ubifs_err("cannot register file system, error %d", err);
+		goto out_dbg;
+	}
 	return 0;
 
+out_dbg:
+	dbg_debugfs_exit();
 out_compr:
 	ubifs_compressors_exit();
 out_shrinker:
 	unregister_shrinker(&ubifs_shrinker_info);
 	kmem_cache_destroy(ubifs_inode_slab);
-out_reg:
-	unregister_filesystem(&ubifs_fs_type);
 	return err;
 }
 /* late_initcall to let compressors initialize first */
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 4e4fbb820e20..14b6cd022284 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -182,8 +182,11 @@
 	{0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x675B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x675D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -195,8 +198,10 @@
 	{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x677B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6842, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -246,6 +251,7 @@
 	{0x1002, 0x68f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x68f8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x68f9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68fa, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x68fe, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -488,6 +494,8 @@
 	{0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x964e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x964f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
@@ -502,6 +510,8 @@
 	{0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0, 0, 0}
 
 #define r128_PCI_IDS \
diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h
index 2412af944f1f..fb83c0453489 100644
--- a/include/linux/amba/pl061.h
+++ b/include/linux/amba/pl061.h
@@ -7,7 +7,7 @@ struct pl061_platform_data {
 	unsigned	gpio_base;
 
 	/* number of the first IRQ.
-	 * If the IRQ functionality in not desired this must be set to NO_IRQ.
+	 * If the IRQ functionality in not desired this must be set to 0.
 	 */
 	unsigned	irq_base;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c7a6d3b5bc7b..94acd8172b5b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -805,9 +805,6 @@ extern void blk_unprep_request(struct request *);
  */
 extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
 					spinlock_t *lock, int node_id);
-extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
-							   request_fn_proc *,
-							   spinlock_t *, int node_id);
 extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
 extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
 						      request_fn_proc *, spinlock_t *);
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index c86c940d1de3..081147da0564 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -71,7 +71,7 @@ struct timecounter {
 
 /**
  * cyclecounter_cyc2ns - converts cycle counter cycles to nanoseconds
- * @tc:		Pointer to cycle counter.
+ * @cc:		Pointer to cycle counter.
  * @cycles:	Cycles
  *
  * XXX - This could use some mult_lxl_ll() asm optimization. Same code
@@ -114,7 +114,7 @@ extern u64 timecounter_read(struct timecounter *tc);
  *                        time base as values returned by
  *                        timecounter_read()
  * @tc:		Pointer to time counter.
- * @cycle:	a value returned by tc->cc->read()
+ * @cycle_tstamp:	a value returned by tc->cc->read()
  *
  * Cycle counts that are converted correctly as long as they
  * fall into the interval [-1/2 max cycle count, +1/2 max cycle count],
@@ -156,11 +156,12 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  * @mult:		cycle to nanosecond multiplier
  * @shift:		cycle to nanosecond divisor (power of two)
  * @max_idle_ns:	max idle time permitted by the clocksource (nsecs)
- * @maxadj		maximum adjustment value to mult (~11%)
+ * @maxadj:		maximum adjustment value to mult (~11%)
  * @flags:		flags describing special properties
  * @archdata:		arch-specific data
  * @suspend:		suspend function for the clocksource, if necessary
  * @resume:		resume function for the clocksource, if necessary
+ * @cycle_last:		most recent cycle counter value seen by ::read()
  */
 struct clocksource {
 	/*
@@ -187,6 +188,7 @@ struct clocksource {
 	void (*suspend)(struct clocksource *cs);
 	void (*resume)(struct clocksource *cs);
 
+	/* private: */
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG
 	/* Watchdog related data, used by the framework */
 	struct list_head wd_list;
@@ -261,6 +263,9 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
 
 /**
  * clocksource_cyc2ns - converts clocksource cycles to nanoseconds
+ * @cycles:	cycles
+ * @mult:	cycle to nanosecond multiplier
+ * @shift:	cycle to nanosecond divisor (power of two)
  *
  * Converts cycles to nanoseconds, using the given mult and shift.
  *
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index ef90cbd8e173..57c9a8ae4f2d 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -31,6 +31,7 @@ extern void free_dmar_iommu(struct intel_iommu *iommu);
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
 extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
 extern int dmar_disabled;
+extern int intel_iommu_enabled;
 #else
 static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
 {
@@ -44,6 +45,7 @@ static inline void free_dmar_iommu(struct intel_iommu *iommu)
 {
 }
 #define dmar_disabled	(1)
+#define intel_iommu_enabled (0)
 #endif
 
 
diff --git a/include/linux/lglock.h b/include/linux/lglock.h
index f549056fb20b..87f402ccec55 100644
--- a/include/linux/lglock.h
+++ b/include/linux/lglock.h
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/lockdep.h>
 #include <linux/percpu.h>
+#include <linux/cpu.h>
 
 /* can make br locks by using local lock for read side, global lock for write */
 #define br_lock_init(name)	name##_lock_init()
@@ -72,9 +73,31 @@
 
 #define DEFINE_LGLOCK(name)						\
 									\
+ DEFINE_SPINLOCK(name##_cpu_lock);					\
+ cpumask_t name##_cpus __read_mostly;					\
  DEFINE_PER_CPU(arch_spinlock_t, name##_lock);				\
  DEFINE_LGLOCK_LOCKDEP(name);						\
 									\
+ static int								\
+ name##_lg_cpu_callback(struct notifier_block *nb,			\
+				unsigned long action, void *hcpu)	\
+ {									\
+	switch (action & ~CPU_TASKS_FROZEN) {				\
+	case CPU_UP_PREPARE:						\
+		spin_lock(&name##_cpu_lock);				\
+		cpu_set((unsigned long)hcpu, name##_cpus);		\
+		spin_unlock(&name##_cpu_lock);				\
+		break;							\
+	case CPU_UP_CANCELED: case CPU_DEAD:				\
+		spin_lock(&name##_cpu_lock);				\
+		cpu_clear((unsigned long)hcpu, name##_cpus);		\
+		spin_unlock(&name##_cpu_lock);				\
+	}								\
+	return NOTIFY_OK;						\
+ }									\
+ static struct notifier_block name##_lg_cpu_notifier = {		\
+	.notifier_call = name##_lg_cpu_callback,			\
+ };									\
  void name##_lock_init(void) {						\
 	int i;								\
 	LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
@@ -83,6 +106,11 @@
 		lock = &per_cpu(name##_lock, i);			\
 		*lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;	\
 	}								\
+	register_hotcpu_notifier(&name##_lg_cpu_notifier);		\
+	get_online_cpus();						\
+	for_each_online_cpu(i)						\
+		cpu_set(i, name##_cpus);				\
+	put_online_cpus();						\
  }									\
  EXPORT_SYMBOL(name##_lock_init);					\
 									\
@@ -124,9 +152,9 @@
 									\
  void name##_global_lock_online(void) {					\
 	int i;								\
-	preempt_disable();						\
+	spin_lock(&name##_cpu_lock);					\
 	rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);		\
-	for_each_online_cpu(i) {					\
+	for_each_cpu(i, &name##_cpus) {					\
 		arch_spinlock_t *lock;					\
 		lock = &per_cpu(name##_lock, i);			\
 		arch_spin_lock(lock);					\
@@ -137,12 +165,12 @@
  void name##_global_unlock_online(void) {				\
 	int i;								\
 	rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);		\
-	for_each_online_cpu(i) {					\
+	for_each_cpu(i, &name##_cpus) {					\
 		arch_spinlock_t *lock;					\
 		lock = &per_cpu(name##_lock, i);			\
 		arch_spin_unlock(lock);					\
 	}								\
-	preempt_enable();						\
+	spin_unlock(&name##_cpu_lock);					\
  }									\
  EXPORT_SYMBOL(name##_global_unlock_online);				\
 									\
diff --git a/include/linux/log2.h b/include/linux/log2.h
index 25b808631cd9..fd7ff3d91e6a 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -185,7 +185,6 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
 #define rounddown_pow_of_two(n)			\
 (						\
 	__builtin_constant_p(n) ? (		\
-		(n == 1) ? 0 :			\
 		(1UL << ilog2(n))) :		\
 	__rounddown_pow_of_two(n)		\
  )
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 415f2db414e1..c8ef9bc54d50 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -218,6 +218,7 @@ struct mmc_card {
 #define MMC_QUIRK_INAND_CMD38	(1<<6)		/* iNAND devices have broken CMD38 */
 #define MMC_QUIRK_BLK_NO_CMD23	(1<<7)		/* Avoid CMD23 for regular multiblock */
 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)	/* Avoid sending 512 bytes in */
+#define MMC_QUIRK_LONG_READ_TIME (1<<9)		/* Data read time > CSD says */
 						/* byte mode */
 	unsigned int    poweroff_notify_state;	/* eMMC4.5 notify feature */
 #define MMC_NO_POWER_NOTIFICATION	0
@@ -433,6 +434,11 @@ static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
 	return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 }
 
+static inline int mmc_card_long_read_time(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_LONG_READ_TIME;
+}
+
 #define mmc_card_name(c)	((c)->cid.prod_name)
 #define mmc_card_id(c)		(dev_name(&(c)->dev))
 
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index b1377b931eb7..5fb2c3d10c05 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -254,7 +254,7 @@ unsigned long soc_camera_apply_board_flags(struct soc_camera_link *icl,
 static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)
 {
 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
 	return icd ? icd->vdev : NULL;
 }
 
@@ -279,6 +279,11 @@ static inline struct soc_camera_device *soc_camera_from_vbq(const struct videobu
 	return container_of(vq, struct soc_camera_device, vb_vidq);
 }
 
+static inline u32 soc_camera_grp_id(const struct soc_camera_device *icd)
+{
+	return (icd->iface << 8) | (icd->devnum + 1);
+}
+
 void soc_camera_lock(struct vb2_queue *vq);
 void soc_camera_unlock(struct vb2_queue *vq);
 
diff --git a/include/net/dst.h b/include/net/dst.h
index 6faec1a60216..75766b42660e 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -53,6 +53,7 @@ struct dst_entry {
 #define DST_NOHASH		0x0008
 #define DST_NOCACHE		0x0010
 #define DST_NOCOUNT		0x0020
+#define DST_NOPEER		0x0040
 
 	short			error;
 	short			obsolete;
diff --git a/include/net/flow.h b/include/net/flow.h
index a09447749e2d..57f15a7f1cdd 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -207,6 +207,7 @@ extern struct flow_cache_object *flow_cache_lookup(
 		u8 dir, flow_resolve_t resolver, void *ctx);
 
 extern void flow_cache_flush(void);
+extern void flow_cache_flush_deferred(void);
 extern atomic_t flow_cache_genid;
 
 #endif
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index e90e7a9935dd..a15432da27c3 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -241,6 +241,9 @@ extern struct sctp_globals {
 	 * bits is an indicator of when to send and window update SACK.
 	 */
 	int rwnd_update_shift;
+
+	/* Threshold for autoclose timeout, in seconds. */
+	unsigned long max_autoclose;
 } sctp_globals;
 
 #define sctp_rto_initial		(sctp_globals.rto_initial)
@@ -281,6 +284,7 @@ extern struct sctp_globals {
 #define sctp_auth_enable		(sctp_globals.auth_enable)
 #define sctp_checksum_disable		(sctp_globals.checksum_disable)
 #define sctp_rwnd_upd_shift		(sctp_globals.rwnd_update_shift)
+#define sctp_max_autoclose		(sctp_globals.max_autoclose)
 
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
diff --git a/include/net/sock.h b/include/net/sock.h
index abb6e0f0c3c3..32e39371fba6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -637,12 +637,14 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 
 /*
  * Take into account size of receive queue and backlog queue
+ * Do not take into account this skb truesize,
+ * to allow even a single big packet to come.
  */
 static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb)
 {
 	unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
 
-	return qsize + skb->truesize > sk->sk_rcvbuf;
+	return qsize > sk->sk_rcvbuf;
 }
 
 /* The per-socket spinlock must be held here. */
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index d1e95c6ac776..5a35a2a2d3c5 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -147,6 +147,7 @@ struct fcoe_ctlr {
 	u8 map_dest;
 	u8 spma;
 	u8 probe_tries;
+	u8 priority;
 	u8 dest_addr[ETH_ALEN];
 	u8 ctl_src_addr[ETH_ALEN];
 
@@ -301,6 +302,7 @@ struct fcoe_percpu_s {
  * @lport:		       The associated local port
  * @fcoe_pending_queue:	       The pending Rx queue of skbs
  * @fcoe_pending_queue_active: Indicates if the pending queue is active
+ * @priority:		       Packet priority (DCB)
  * @max_queue_depth:	       Max queue depth of pending queue
  * @min_queue_depth:	       Min queue depth of pending queue
  * @timer:		       The queue timer
@@ -316,6 +318,7 @@ struct fcoe_port {
 	struct fc_lport	      *lport;
 	struct sk_buff_head   fcoe_pending_queue;
 	u8		      fcoe_pending_queue_active;
+	u8		      priority;
 	u32		      max_queue_depth;
 	u32		      min_queue_depth;
 	struct timer_list     timer;
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index b99caa8b780c..99d1d0decf88 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -21,6 +21,16 @@
 		{I_REFERENCED,		"I_REFERENCED"}		\
 	)
 
+#define WB_WORK_REASON							\
+		{WB_REASON_BACKGROUND,		"background"},		\
+		{WB_REASON_TRY_TO_FREE_PAGES,	"try_to_free_pages"},	\
+		{WB_REASON_SYNC,		"sync"},		\
+		{WB_REASON_PERIODIC,		"periodic"},		\
+		{WB_REASON_LAPTOP_TIMER,	"laptop_timer"},	\
+		{WB_REASON_FREE_MORE_MEM,	"free_more_memory"},	\
+		{WB_REASON_FS_FREE_SPACE,	"fs_free_space"},	\
+		{WB_REASON_FORKER_THREAD,	"forker_thread"}
+
 struct wb_writeback_work;
 
 DECLARE_EVENT_CLASS(writeback_work_class,
@@ -55,7 +65,7 @@ DECLARE_EVENT_CLASS(writeback_work_class,
 		  __entry->for_kupdate,
 		  __entry->range_cyclic,
 		  __entry->for_background,
-		  wb_reason_name[__entry->reason]
+		  __print_symbolic(__entry->reason, WB_WORK_REASON)
 	)
 );
 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
@@ -184,7 +194,8 @@ TRACE_EVENT(writeback_queue_io,
 		__entry->older,	/* older_than_this in jiffies */
 		__entry->age,	/* older_than_this in relative milliseconds */
 		__entry->moved,
-		wb_reason_name[__entry->reason])
+		__print_symbolic(__entry->reason, WB_WORK_REASON)
+	)
 );
 
 TRACE_EVENT(global_dirty_state,
diff --git a/include/xen/interface/io/xs_wire.h b/include/xen/interface/io/xs_wire.h
index f0b6890370be..f6f07aa35af5 100644
--- a/include/xen/interface/io/xs_wire.h
+++ b/include/xen/interface/io/xs_wire.h
@@ -29,8 +29,7 @@ enum xsd_sockmsg_type
     XS_IS_DOMAIN_INTRODUCED,
     XS_RESUME,
     XS_SET_TARGET,
-    XS_RESTRICT,
-    XS_RESET_WATCHES
+    XS_RESTRICT
 };
 
 #define XS_WRITE_NONE "NONE"
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 2e0ecfcc881d..5b4293d9819d 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1269,7 +1269,7 @@ void mq_clear_sbinfo(struct ipc_namespace *ns)
 
 void mq_put_mnt(struct ipc_namespace *ns)
 {
-	mntput(ns->mq_mnt);
+	kern_unmount(ns->mq_mnt);
 }
 
 static int __init init_mqueue_fs(void)
@@ -1291,11 +1291,9 @@ static int __init init_mqueue_fs(void)
 
 	spin_lock_init(&mq_lock);
 
-	init_ipc_ns.mq_mnt = kern_mount_data(&mqueue_fs_type, &init_ipc_ns);
-	if (IS_ERR(init_ipc_ns.mq_mnt)) {
-		error = PTR_ERR(init_ipc_ns.mq_mnt);
+	error = mq_init_ns(&init_ipc_ns);
+	if (error)
 		goto out_filesystem;
-	}
 
 	return 0;
 
diff --git a/ipc/msgutil.c b/ipc/msgutil.c
index 8b5ce5d3f3ef..5652101cdac0 100644
--- a/ipc/msgutil.c
+++ b/ipc/msgutil.c
@@ -27,11 +27,6 @@ DEFINE_SPINLOCK(mq_lock);
  */
 struct ipc_namespace init_ipc_ns = {
 	.count		= ATOMIC_INIT(1),
-#ifdef CONFIG_POSIX_MQUEUE
-	.mq_queues_max   = DFLT_QUEUESMAX,
-	.mq_msg_max      = DFLT_MSGMAX,
-	.mq_msgsize_max  = DFLT_MSGSIZEMAX,
-#endif
 	.user_ns = &init_user_ns,
 };
 
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index d9d5648f3cdc..a184470cf9b5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2098,11 +2098,6 @@ int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 			continue;
 		/* get old css_set pointer */
 		task_lock(tsk);
-		if (tsk->flags & PF_EXITING) {
-			/* ignore this task if it's going away */
-			task_unlock(tsk);
-			continue;
-		}
 		oldcg = tsk->cgroups;
 		get_css_set(oldcg);
 		task_unlock(tsk);
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 9fe58c46a426..0b1712dba587 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -123,6 +123,19 @@ static inline struct cpuset *task_cs(struct task_struct *task)
 			    struct cpuset, css);
 }
 
+#ifdef CONFIG_NUMA
+static inline bool task_has_mempolicy(struct task_struct *task)
+{
+	return task->mempolicy;
+}
+#else
+static inline bool task_has_mempolicy(struct task_struct *task)
+{
+	return false;
+}
+#endif
+
+
 /* bits in struct cpuset flags field */
 typedef enum {
 	CS_CPU_EXCLUSIVE,
@@ -949,7 +962,7 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from,
 static void cpuset_change_task_nodemask(struct task_struct *tsk,
 					nodemask_t *newmems)
 {
-	bool masks_disjoint = !nodes_intersects(*newmems, tsk->mems_allowed);
+	bool need_loop;
 
 repeat:
 	/*
@@ -962,6 +975,14 @@ repeat:
 		return;
 
 	task_lock(tsk);
+	/*
+	 * Determine if a loop is necessary if another thread is doing
+	 * get_mems_allowed().  If at least one node remains unchanged and
+	 * tsk does not have a mempolicy, then an empty nodemask will not be
+	 * possible when mems_allowed is larger than a word.
+	 */
+	need_loop = task_has_mempolicy(tsk) ||
+			!nodes_intersects(*newmems, tsk->mems_allowed);
 	nodes_or(tsk->mems_allowed, tsk->mems_allowed, *newmems);
 	mpol_rebind_task(tsk, newmems, MPOL_REBIND_STEP1);
 
@@ -981,11 +1002,9 @@ repeat:
 
 	/*
 	 * Allocation of memory is very fast, we needn't sleep when waiting
-	 * for the read-side.  No wait is necessary, however, if at least one
-	 * node remains unchanged.
+	 * for the read-side.
 	 */
-	while (masks_disjoint &&
-			ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
+	while (need_loop && ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
 		task_unlock(tsk);
 		if (!task_curr(tsk))
 			yield();
diff --git a/kernel/events/core.c b/kernel/events/core.c
index d3b9df5962c2..58690af323e4 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3558,9 +3558,13 @@ static void ring_buffer_wakeup(struct perf_event *event)
 
 	rcu_read_lock();
 	rb = rcu_dereference(event->rb);
-	list_for_each_entry_rcu(event, &rb->event_list, rb_entry) {
+	if (!rb)
+		goto unlock;
+
+	list_for_each_entry_rcu(event, &rb->event_list, rb_entry)
 		wake_up_all(&event->waitq);
-	}
+
+unlock:
 	rcu_read_unlock();
 }
 
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index a78ed2736ba7..8a39fa3e3c6c 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -2352,13 +2352,11 @@ again:
 		if (!smt && (sd->flags & SD_SHARE_CPUPOWER))
 			continue;
 
-		if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) {
-			if (!smt) {
-				smt = 1;
-				goto again;
-			}
+		if (smt && !(sd->flags & SD_SHARE_CPUPOWER))
+			break;
+
+		if (!(sd->flags & SD_SHARE_PKG_RESOURCES))
 			break;
-		}
 
 		sg = sd->groups;
 		do {
@@ -2378,6 +2376,10 @@ next:
 			sg = sg->next;
 		} while (sg != sd->groups);
 	}
+	if (!smt) {
+		smt = 1;
+		goto again;
+	}
 done:
 	rcu_read_unlock();
 
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 6318b511afa1..a650694883a1 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1354,7 +1354,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 
 	fput(file);
 out_putname:
-	putname(pathname);
+	__putname(pathname);
 out:
 	return result;
 }
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index da2f760e780c..d3ad022136e5 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -647,7 +647,7 @@ static void clocksource_enqueue(struct clocksource *cs)
 
 /**
  * __clocksource_updatefreq_scale - Used update clocksource with new freq
- * @t:		clocksource to be registered
+ * @cs:		clocksource to be registered
  * @scale:	Scale factor multiplied against freq to get clocksource hz
  * @freq:	clocksource frequency (cycles per second) divided by scale
  *
@@ -699,7 +699,7 @@ EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale);
 
 /**
  * __clocksource_register_scale - Used to install new clocksources
- * @t:		clocksource to be registered
+ * @cs:		clocksource to be registered
  * @scale:	Scale factor multiplied against freq to get clocksource hz
  * @freq:	clocksource frequency (cycles per second) divided by scale
  *
@@ -727,7 +727,7 @@ EXPORT_SYMBOL_GPL(__clocksource_register_scale);
 
 /**
  * clocksource_register - Used to install new clocksources
- * @t:		clocksource to be registered
+ * @cs:		clocksource to be registered
  *
  * Returns -EBUSY if registration fails, zero otherwise.
  */
@@ -761,6 +761,8 @@ static void __clocksource_change_rating(struct clocksource *cs, int rating)
 
 /**
  * clocksource_change_rating - Change the rating of a registered clocksource
+ * @cs:		clocksource to be changed
+ * @rating:	new rating
  */
 void clocksource_change_rating(struct clocksource *cs, int rating)
 {
@@ -772,6 +774,7 @@ EXPORT_SYMBOL(clocksource_change_rating);
 
 /**
  * clocksource_unregister - remove a registered clocksource
+ * @cs:	clocksource to be unregistered
  */
 void clocksource_unregister(struct clocksource *cs)
 {
@@ -787,6 +790,7 @@ EXPORT_SYMBOL(clocksource_unregister);
 /**
  * sysfs_show_current_clocksources - sysfs interface for current clocksource
  * @dev:	unused
+ * @attr:	unused
  * @buf:	char buffer to be filled with clocksource list
  *
  * Provides sysfs interface for listing current clocksource.
@@ -807,6 +811,7 @@ sysfs_show_current_clocksources(struct sys_device *dev,
 /**
  * sysfs_override_clocksource - interface for manually overriding clocksource
  * @dev:	unused
+ * @attr:	unused
  * @buf:	name of override clocksource
  * @count:	length of buffer
  *
@@ -842,6 +847,7 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
 /**
  * sysfs_show_available_clocksources - sysfs interface for listing clocksource
  * @dev:	unused
+ * @attr:	unused
  * @buf:	char buffer to be filled with clocksource list
  *
  * Provides sysfs interface for listing registered clocksources
diff --git a/mm/filemap.c b/mm/filemap.c
index c0018f2d50e0..5f0a3c91fdac 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1828,7 +1828,7 @@ repeat:
 		page = __page_cache_alloc(gfp | __GFP_COLD);
 		if (!page)
 			return ERR_PTR(-ENOMEM);
-		err = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+		err = add_to_page_cache_lru(page, mapping, index, gfp);
 		if (unlikely(err)) {
 			page_cache_release(page);
 			if (err == -EEXIST)
@@ -1925,10 +1925,7 @@ static struct page *wait_on_page_read(struct page *page)
  * @gfp:	the page allocator flags to use if allocating
  *
  * This is the same as "read_mapping_page(mapping, index, NULL)", but with
- * any new page allocations done using the specified allocation flags. Note
- * that the Radix tree operations will still use GFP_KERNEL, so you can't
- * expect to do this atomically or anything like that - but you can pass in
- * other page requirements.
+ * any new page allocations done using the specified allocation flags.
  *
  * If the page does not get brought uptodate, return -EIO.
  */
@@ -2407,7 +2404,6 @@ static ssize_t generic_perform_write(struct file *file,
 						iov_iter_count(i));
 
 again:
-
 		/*
 		 * Bring in the user page that we will copy from _first_.
 		 * Otherwise there's a nasty deadlock on copying from the
@@ -2463,7 +2459,10 @@ again:
 		written += copied;
 
 		balance_dirty_pages_ratelimited(mapping);
-
+		if (fatal_signal_pending(current)) {
+			status = -EINTR;
+			break;
+		}
 	} while (iov_iter_count(i));
 
 	return written ? written : status;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6aff93c98aca..b63f5f7dfa07 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4907,9 +4907,9 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 		int cpu;
 		enable_swap_cgroup();
 		parent = NULL;
-		root_mem_cgroup = memcg;
 		if (mem_cgroup_soft_limit_tree_init())
 			goto free_out;
+		root_mem_cgroup = memcg;
 		for_each_possible_cpu(cpu) {
 			struct memcg_stock_pcp *stock =
 						&per_cpu(memcg_stock, cpu);
@@ -4948,7 +4948,6 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	return &memcg->css;
 free_out:
 	__mem_cgroup_free(memcg);
-	root_mem_cgroup = NULL;
 	return ERR_PTR(error);
 }
 
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 76f2c5ae908e..069b64e521fc 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -176,7 +176,7 @@ static bool oom_unkillable_task(struct task_struct *p,
 unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
 		      const nodemask_t *nodemask, unsigned long totalpages)
 {
-	int points;
+	long points;
 
 	if (oom_unkillable_task(p, mem, nodemask))
 		return 0;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 71252486bc6f..50f08241f981 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -411,8 +411,13 @@ void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty)
  *
  * Returns @bdi's dirty limit in pages. The term "dirty" in the context of
  * dirty balancing includes all PG_dirty, PG_writeback and NFS unstable pages.
- * And the "limit" in the name is not seriously taken as hard limit in
- * balance_dirty_pages().
+ *
+ * Note that balance_dirty_pages() will only seriously take it as a hard limit
+ * when sleeping max_pause per page is not enough to keep the dirty pages under
+ * control. For example, when the device is completely stalled due to some error
+ * conditions, or when there are 1000 dd tasks writing to a slow 10MB/s USB key.
+ * In the other normal situations, it acts more gently by throttling the tasks
+ * more (rather than completely block them) when the bdi dirty pages go high.
  *
  * It allocates high/low dirty limits to fast/slow devices, in order to prevent
  * - starving fast devices
@@ -594,6 +599,13 @@ static unsigned long bdi_position_ratio(struct backing_dev_info *bdi,
 	 */
 	if (unlikely(bdi_thresh > thresh))
 		bdi_thresh = thresh;
+	/*
+	 * It's very possible that bdi_thresh is close to 0 not because the
+	 * device is slow, but that it has remained inactive for long time.
+	 * Honour such devices a reasonable good (hopefully IO efficient)
+	 * threshold, so that the occasional writes won't be blocked and active
+	 * writes can rampup the threshold quickly.
+	 */
 	bdi_thresh = max(bdi_thresh, (limit - dirty) / 8);
 	/*
 	 * scale global setpoint to bdi's:
@@ -977,8 +989,7 @@ static unsigned long bdi_max_pause(struct backing_dev_info *bdi,
 	 *
 	 * 8 serves as the safety ratio.
 	 */
-	if (bdi_dirty)
-		t = min(t, bdi_dirty * HZ / (8 * bw + 1));
+	t = min(t, bdi_dirty * HZ / (8 * bw + 1));
 
 	/*
 	 * The pause time will be settled within range (max_pause/4, max_pause).
@@ -1136,6 +1147,19 @@ pause:
 		if (task_ratelimit)
 			break;
 
+		/*
+		 * In the case of an unresponding NFS server and the NFS dirty
+		 * pages exceeds dirty_thresh, give the other good bdi's a pipe
+		 * to go through, so that tasks on them still remain responsive.
+		 *
+		 * In theory 1 page is enough to keep the comsumer-producer
+		 * pipe going: the flusher cleans 1 page => the task dirties 1
+		 * more page. However bdi_dirty has accounting errors.  So use
+		 * the larger and more IO friendly bdi_stat_error.
+		 */
+		if (bdi_dirty <= bdi_stat_error(bdi))
+			break;
+
 		if (fatal_signal_pending(current))
 			break;
 	}
diff --git a/mm/percpu.c b/mm/percpu.c
index 3bb810a72006..716eb4acf2fc 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1023,9 +1023,11 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr)
 		if (!is_vmalloc_addr(addr))
 			return __pa(addr);
 		else
-			return page_to_phys(vmalloc_to_page(addr));
+			return page_to_phys(vmalloc_to_page(addr)) +
+			       offset_in_page(addr);
 	} else
-		return page_to_phys(pcpu_addr_to_page(addr));
+		return page_to_phys(pcpu_addr_to_page(addr)) +
+		       offset_in_page(addr);
 }
 
 /**
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1d8b32f07139..27be2f0d4cb7 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1290,7 +1290,7 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
 		unsigned long align, unsigned long flags, unsigned long start,
 		unsigned long end, int node, gfp_t gfp_mask, void *caller)
 {
-	static struct vmap_area *va;
+	struct vmap_area *va;
 	struct vm_struct *area;
 
 	BUG_ON(in_interrupt());
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index c7aafc7c5ed4..5f09a578d49d 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -245,9 +245,11 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
 	if (tt_global_entry) {
 		/* This node is probably going to update its tt table */
 		tt_global_entry->orig_node->tt_poss_change = true;
-		/* The global entry has to be marked as PENDING and has to be
+		/* The global entry has to be marked as ROAMING and has to be
 		 * kept for consistency purpose */
-		tt_global_entry->flags |= TT_CLIENT_PENDING;
+		tt_global_entry->flags |= TT_CLIENT_ROAM;
+		tt_global_entry->roam_at = jiffies;
+
 		send_roam_adv(bat_priv, tt_global_entry->addr,
 			      tt_global_entry->orig_node);
 	}
@@ -694,6 +696,7 @@ void tt_global_del(struct bat_priv *bat_priv,
 		   const char *message, bool roaming)
 {
 	struct tt_global_entry *tt_global_entry = NULL;
+	struct tt_local_entry *tt_local_entry = NULL;
 
 	tt_global_entry = tt_global_hash_find(bat_priv, addr);
 	if (!tt_global_entry)
@@ -701,15 +704,29 @@ void tt_global_del(struct bat_priv *bat_priv,
 
 	if (tt_global_entry->orig_node == orig_node) {
 		if (roaming) {
-			tt_global_entry->flags |= TT_CLIENT_ROAM;
-			tt_global_entry->roam_at = jiffies;
-			goto out;
+			/* if we are deleting a global entry due to a roam
+			 * event, there are two possibilities:
+			 * 1) the client roamed from node A to node B => we mark
+			 *    it with TT_CLIENT_ROAM, we start a timer and we
+			 *    wait for node B to claim it. In case of timeout
+			 *    the entry is purged.
+			 * 2) the client roamed to us => we can directly delete
+			 *    the global entry, since it is useless now. */
+			tt_local_entry = tt_local_hash_find(bat_priv,
+							tt_global_entry->addr);
+			if (!tt_local_entry) {
+				tt_global_entry->flags |= TT_CLIENT_ROAM;
+				tt_global_entry->roam_at = jiffies;
+				goto out;
+			}
 		}
 		_tt_global_del(bat_priv, tt_global_entry, message);
 	}
 out:
 	if (tt_global_entry)
 		tt_global_entry_free_ref(tt_global_entry);
+	if (tt_local_entry)
+		tt_local_entry_free_ref(tt_local_entry);
 }
 
 void tt_global_del_orig(struct bat_priv *bat_priv,
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 91bcd3a961ec..1eea8208b2cc 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -79,17 +79,12 @@ static struct bnep_session *__bnep_get_session(u8 *dst)
 
 static void __bnep_link_session(struct bnep_session *s)
 {
-	/* It's safe to call __module_get() here because sessions are added
-	   by the socket layer which has to hold the reference to this module.
-	 */
-	__module_get(THIS_MODULE);
 	list_add(&s->list, &bnep_session_list);
 }
 
 static void __bnep_unlink_session(struct bnep_session *s)
 {
 	list_del(&s->list);
-	module_put(THIS_MODULE);
 }
 
 static int bnep_send(struct bnep_session *s, void *data, size_t len)
@@ -530,6 +525,7 @@ static int bnep_session(void *arg)
 
 	up_write(&bnep_session_sem);
 	free_netdev(dev);
+	module_put_and_exit(0);
 	return 0;
 }
 
@@ -616,9 +612,11 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 
 	__bnep_link_session(s);
 
+	__module_get(THIS_MODULE);
 	s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
 	if (IS_ERR(s->task)) {
 		/* Session thread start failed, gotta cleanup. */
+		module_put(THIS_MODULE);
 		unregister_netdev(dev);
 		__bnep_unlink_session(s);
 		err = PTR_ERR(s->task);
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 7d00ddf9e9dc..5a6e634f7fca 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -67,14 +67,12 @@ static struct cmtp_session *__cmtp_get_session(bdaddr_t *bdaddr)
 
 static void __cmtp_link_session(struct cmtp_session *session)
 {
-	__module_get(THIS_MODULE);
 	list_add(&session->list, &cmtp_session_list);
 }
 
 static void __cmtp_unlink_session(struct cmtp_session *session)
 {
 	list_del(&session->list);
-	module_put(THIS_MODULE);
 }
 
 static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
@@ -327,6 +325,7 @@ static int cmtp_session(void *arg)
 	up_write(&cmtp_session_sem);
 
 	kfree(session);
+	module_put_and_exit(0);
 	return 0;
 }
 
@@ -376,9 +375,11 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
 
 	__cmtp_link_session(session);
 
+	__module_get(THIS_MODULE);
 	session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d",
 								session->num);
 	if (IS_ERR(session->task)) {
+		module_put(THIS_MODULE);
 		err = PTR_ERR(session->task);
 		goto unlink;
 	}
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e0af7237cd92..c1c597e3e198 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -673,7 +673,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		goto encrypt;
 
 auth:
-	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
 		return 0;
 
 	if (!hci_conn_auth(conn, sec_level, auth_type))
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d7d96b6b1f0d..643a41b76e2e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -545,7 +545,7 @@ static void hci_setup(struct hci_dev *hdev)
 {
 	hci_setup_event_mask(hdev);
 
-	if (hdev->lmp_ver > 1)
+	if (hdev->hci_ver > 1)
 		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
 
 	if (hdev->features[6] & LMP_SIMPLE_PAIR) {
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 5ea94a1eecf2..17b5b1cd9657 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2152,7 +2152,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
 	void *ptr = req->data;
 	int type, olen;
 	unsigned long val;
-	struct l2cap_conf_rfc rfc;
+	struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
 
 	BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data);
 
@@ -2271,6 +2271,16 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
 		}
 	}
 
+	/* Use sane default values in case a misbehaving remote device
+	 * did not send an RFC option.
+	 */
+	rfc.mode = chan->mode;
+	rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+	rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+	rfc.max_pdu_size = cpu_to_le16(chan->imtu);
+
+	BT_ERR("Expected RFC option was not found, using defaults");
+
 done:
 	switch (rfc.mode) {
 	case L2CAP_MODE_ERTM:
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 4e32e18211f9..2d28dfe98389 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1146,6 +1146,7 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
 			if (list_empty(&s->dlcs)) {
 				s->state = BT_DISCONN;
 				rfcomm_send_disc(s, 0);
+				rfcomm_session_clear_timer(s);
 			}
 
 			break;
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d6ec3720c77e..fa8b8f763580 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -114,12 +114,18 @@ static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const vo
 	return NULL;
 }
 
+static unsigned int fake_mtu(const struct dst_entry *dst)
+{
+	return dst->dev->mtu;
+}
+
 static struct dst_ops fake_dst_ops = {
 	.family =		AF_INET,
 	.protocol =		cpu_to_be16(ETH_P_IP),
 	.update_pmtu =		fake_update_pmtu,
 	.cow_metrics =		fake_cow_metrics,
 	.neigh_lookup =		fake_neigh_lookup,
+	.mtu =			fake_mtu,
 };
 
 /*
@@ -141,7 +147,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
 	rt->dst.dev = br->dev;
 	rt->dst.path = &rt->dst;
 	dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
-	rt->dst.flags	= DST_NOXFRM;
+	rt->dst.flags	= DST_NOXFRM | DST_NOPEER;
 	rt->dst.ops = &fake_dst_ops;
 }
 
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 42599e31dcad..3a94eae7abe9 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -477,7 +477,6 @@ int crush_do_rule(struct crush_map *map,
 	int i, j;
 	int numrep;
 	int firstn;
-	int rc = -1;
 
 	BUG_ON(ruleno >= map->max_rules);
 
@@ -491,23 +490,18 @@ int crush_do_rule(struct crush_map *map,
 	 * that this may or may not correspond to the specific types
 	 * referenced by the crush rule.
 	 */
-	if (force >= 0) {
-		if (force >= map->max_devices ||
-		    map->device_parents[force] == 0) {
-			/*dprintk("CRUSH: forcefed device dne\n");*/
-			rc = -1;  /* force fed device dne */
-			goto out;
-		}
-		if (!is_out(map, weight, force, x)) {
-			while (1) {
-				force_context[++force_pos] = force;
-				if (force >= 0)
-					force = map->device_parents[force];
-				else
-					force = map->bucket_parents[-1-force];
-				if (force == 0)
-					break;
-			}
+	if (force >= 0 &&
+	    force < map->max_devices &&
+	    map->device_parents[force] != 0 &&
+	    !is_out(map, weight, force, x)) {
+		while (1) {
+			force_context[++force_pos] = force;
+			if (force >= 0)
+				force = map->device_parents[force];
+			else
+				force = map->bucket_parents[-1-force];
+			if (force == 0)
+				break;
 		}
 	}
 
@@ -600,10 +594,7 @@ int crush_do_rule(struct crush_map *map,
 			BUG_ON(1);
 		}
 	}
-	rc = result_len;
-
-out:
-	return rc;
+	return result_len;
 }
 
 
diff --git a/net/core/flow.c b/net/core/flow.c
index 8ae42de9c79e..e318c7e98042 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -358,6 +358,18 @@ void flow_cache_flush(void)
 	put_online_cpus();
 }
 
+static void flow_cache_flush_task(struct work_struct *work)
+{
+	flow_cache_flush();
+}
+
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+
+void flow_cache_flush_deferred(void)
+{
+	schedule_work(&flow_cache_flush_work);
+}
+
 static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
 {
 	struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index c71c434a4c05..385aefe53648 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -665,11 +665,14 @@ static ssize_t store_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,
 	if (count) {
 		int i;
 
-		if (count > 1<<30) {
+		if (count > INT_MAX)
+			return -EINVAL;
+		count = roundup_pow_of_two(count);
+		if (count > (ULONG_MAX - sizeof(struct rps_dev_flow_table))
+				/ sizeof(struct rps_dev_flow)) {
 			/* Enforce a limit to prevent overflow */
 			return -EINVAL;
 		}
-		count = roundup_pow_of_two(count);
 		table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count));
 		if (!table)
 			return -ENOMEM;
diff --git a/net/core/sock.c b/net/core/sock.c
index 4ed7b1d12f5e..b23f174ab84c 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -288,11 +288,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	unsigned long flags;
 	struct sk_buff_head *list = &sk->sk_receive_queue;
 
-	/* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
-	   number of warnings when compiling with -W --ANK
-	 */
-	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
-	    (unsigned)sk->sk_rcvbuf) {
+	if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
 		atomic_inc(&sk->sk_drops);
 		trace_sock_rcvqueue_full(sk, skb);
 		return -ENOMEM;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 0da2afc97f32..99ec116bef14 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -253,6 +253,10 @@ static int __init ic_open_devs(void)
 		}
 	}
 
+	/* no point in waiting if we could not bring up at least one device */
+	if (!ic_first_dev)
+		goto have_carrier;
+
 	/* wait for a carrier on at least one device */
 	start = jiffies;
 	while (jiffies - start < msecs_to_jiffies(CONF_CARRIER_TIMEOUT)) {
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 065effd8349a..0b2e7329abda 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -285,6 +285,8 @@ static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
 	if (register_netdevice(dev) < 0)
 		goto failed_free;
 
+	strcpy(nt->parms.name, dev->name);
+
 	dev_hold(dev);
 	ipip_tunnel_link(ipn, nt);
 	return nt;
@@ -759,7 +761,6 @@ static int ipip_tunnel_init(struct net_device *dev)
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
 	tunnel->dev = dev;
-	strcpy(tunnel->parms.name, dev->name);
 
 	memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
 	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@@ -825,6 +826,7 @@ static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
 static int __net_init ipip_init_net(struct net *net)
 {
 	struct ipip_net *ipn = net_generic(net, ipip_net_id);
+	struct ip_tunnel *t;
 	int err;
 
 	ipn->tunnels[0] = ipn->tunnels_wc;
@@ -848,6 +850,9 @@ static int __net_init ipip_init_net(struct net *net)
 	if ((err = register_netdev(ipn->fb_tunnel_dev)))
 		goto err_reg_dev;
 
+	t = netdev_priv(ipn->fb_tunnel_dev);
+
+	strcpy(t->parms.name, ipn->fb_tunnel_dev->name);
 	return 0;
 
 err_reg_dev:
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 46af62363b8c..94cdbc55ca7e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -91,6 +91,7 @@
 #include <linux/rcupdate.h>
 #include <linux/times.h>
 #include <linux/slab.h>
+#include <linux/prefetch.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
@@ -120,6 +121,7 @@
 
 static int ip_rt_max_size;
 static int ip_rt_gc_timeout __read_mostly	= RT_GC_TIMEOUT;
+static int ip_rt_gc_interval __read_mostly  = 60 * HZ;
 static int ip_rt_gc_min_interval __read_mostly	= HZ / 2;
 static int ip_rt_redirect_number __read_mostly	= 9;
 static int ip_rt_redirect_load __read_mostly	= HZ / 50;
@@ -133,6 +135,9 @@ static int ip_rt_min_advmss __read_mostly	= 256;
 static int rt_chain_length_max __read_mostly	= 20;
 static int redirect_genid;
 
+static struct delayed_work expires_work;
+static unsigned long expires_ljiffies;
+
 /*
  *	Interface to generic destination cache.
  */
@@ -830,6 +835,97 @@ static int has_noalias(const struct rtable *head, const struct rtable *rth)
 	return ONE;
 }
 
+static void rt_check_expire(void)
+{
+	static unsigned int rover;
+	unsigned int i = rover, goal;
+	struct rtable *rth;
+	struct rtable __rcu **rthp;
+	unsigned long samples = 0;
+	unsigned long sum = 0, sum2 = 0;
+	unsigned long delta;
+	u64 mult;
+
+	delta = jiffies - expires_ljiffies;
+	expires_ljiffies = jiffies;
+	mult = ((u64)delta) << rt_hash_log;
+	if (ip_rt_gc_timeout > 1)
+		do_div(mult, ip_rt_gc_timeout);
+	goal = (unsigned int)mult;
+	if (goal > rt_hash_mask)
+		goal = rt_hash_mask + 1;
+	for (; goal > 0; goal--) {
+		unsigned long tmo = ip_rt_gc_timeout;
+		unsigned long length;
+
+		i = (i + 1) & rt_hash_mask;
+		rthp = &rt_hash_table[i].chain;
+
+		if (need_resched())
+			cond_resched();
+
+		samples++;
+
+		if (rcu_dereference_raw(*rthp) == NULL)
+			continue;
+		length = 0;
+		spin_lock_bh(rt_hash_lock_addr(i));
+		while ((rth = rcu_dereference_protected(*rthp,
+					lockdep_is_held(rt_hash_lock_addr(i)))) != NULL) {
+			prefetch(rth->dst.rt_next);
+			if (rt_is_expired(rth)) {
+				*rthp = rth->dst.rt_next;
+				rt_free(rth);
+				continue;
+			}
+			if (rth->dst.expires) {
+				/* Entry is expired even if it is in use */
+				if (time_before_eq(jiffies, rth->dst.expires)) {
+nofree:
+					tmo >>= 1;
+					rthp = &rth->dst.rt_next;
+					/*
+					 * We only count entries on
+					 * a chain with equal hash inputs once
+					 * so that entries for different QOS
+					 * levels, and other non-hash input
+					 * attributes don't unfairly skew
+					 * the length computation
+					 */
+					length += has_noalias(rt_hash_table[i].chain, rth);
+					continue;
+				}
+			} else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+				goto nofree;
+
+			/* Cleanup aged off entries. */
+			*rthp = rth->dst.rt_next;
+			rt_free(rth);
+		}
+		spin_unlock_bh(rt_hash_lock_addr(i));
+		sum += length;
+		sum2 += length*length;
+	}
+	if (samples) {
+		unsigned long avg = sum / samples;
+		unsigned long sd = int_sqrt(sum2 / samples - avg*avg);
+		rt_chain_length_max = max_t(unsigned long,
+					ip_rt_gc_elasticity,
+					(avg + 4*sd) >> FRACT_BITS);
+	}
+	rover = i;
+}
+
+/*
+ * rt_worker_func() is run in process context.
+ * we call rt_check_expire() to scan part of the hash table
+ */
+static void rt_worker_func(struct work_struct *work)
+{
+	rt_check_expire();
+	schedule_delayed_work(&expires_work, ip_rt_gc_interval);
+}
+
 /*
  * Perturbation of rt_genid by a small quantity [1..256]
  * Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
@@ -1271,7 +1367,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
 {
 	struct rtable *rt = (struct rtable *) dst;
 
-	if (rt) {
+	if (rt && !(rt->dst.flags & DST_NOPEER)) {
 		if (rt->peer == NULL)
 			rt_bind_peer(rt, rt->rt_dst, 1);
 
@@ -1282,7 +1378,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
 			iph->id = htons(inet_getid(rt->peer, more));
 			return;
 		}
-	} else
+	} else if (!rt)
 		printk(KERN_DEBUG "rt_bind_peer(0) @%p\n",
 		       __builtin_return_address(0));
 
@@ -3179,6 +3275,13 @@ static ctl_table ipv4_route_table[] = {
 		.proc_handler	= proc_dointvec_jiffies,
 	},
 	{
+		.procname	= "gc_interval",
+		.data		= &ip_rt_gc_interval,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_jiffies,
+	},
+	{
 		.procname	= "redirect_load",
 		.data		= &ip_rt_redirect_load,
 		.maxlen		= sizeof(int),
@@ -3388,6 +3491,11 @@ int __init ip_rt_init(void)
 	devinet_init();
 	ip_fib_init();
 
+	INIT_DELAYED_WORK_DEFERRABLE(&expires_work, rt_worker_func);
+	expires_ljiffies = jiffies;
+	schedule_delayed_work(&expires_work,
+		net_random() % ip_rt_gc_interval + ip_rt_gc_interval);
+
 	if (ip_rt_proc_init())
 		printk(KERN_ERR "Unable to create route proc files\n");
 #ifdef CONFIG_XFRM
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index cf88df82e2c2..36806def8cfd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1805,7 +1805,8 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
 		return ERR_PTR(-EACCES);
 
 	/* Add default multicast route */
-	addrconf_add_mroute(dev);
+	if (!(dev->flags & IFF_LOOPBACK))
+		addrconf_add_mroute(dev);
 
 	/* Add link local route */
 	addrconf_add_lroute(dev);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 84d0bd5cac93..ec562713db9b 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -603,7 +603,7 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
 	static atomic_t ipv6_fragmentation_id;
 	int old, new;
 
-	if (rt) {
+	if (rt && !(rt->dst.flags & DST_NOPEER)) {
 		struct inet_peer *peer;
 
 		if (!rt->rt6i_peer)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 3399dd326287..b582a0a0f1c5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -728,7 +728,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
 		int attempts = !in_softirq();
 
 		if (!(rt->rt6i_flags&RTF_GATEWAY)) {
-			if (rt->rt6i_dst.plen != 128 &&
+			if (ort->rt6i_dst.plen != 128 &&
 			    ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
 				rt->rt6i_flags |= RTF_ANYCAST;
 			ipv6_addr_copy(&rt->rt6i_gateway, daddr);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index a7a18602a046..96f3623618e3 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -263,6 +263,8 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
 	if (register_netdevice(dev) < 0)
 		goto failed_free;
 
+	strcpy(nt->parms.name, dev->name);
+
 	dev_hold(dev);
 
 	ipip6_tunnel_link(sitn, nt);
@@ -1144,7 +1146,6 @@ static int ipip6_tunnel_init(struct net_device *dev)
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
 	tunnel->dev = dev;
-	strcpy(tunnel->parms.name, dev->name);
 
 	memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
 	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@@ -1207,6 +1208,7 @@ static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_hea
 static int __net_init sit_init_net(struct net *net)
 {
 	struct sit_net *sitn = net_generic(net, sit_net_id);
+	struct ip_tunnel *t;
 	int err;
 
 	sitn->tunnels[0] = sitn->tunnels_wc;
@@ -1231,6 +1233,9 @@ static int __net_init sit_init_net(struct net *net)
 	if ((err = register_netdev(sitn->fb_tunnel_dev)))
 		goto err_reg_dev;
 
+	t = netdev_priv(sitn->fb_tunnel_dev);
+
+	strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
 	return 0;
 
 err_reg_dev:
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index dfd3a648a551..a18e6c3d36e3 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -833,15 +833,15 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
 		copied += used;
 		len -= used;
 
+		/* For non stream protcols we get one packet per recvmsg call */
+		if (sk->sk_type != SOCK_STREAM)
+			goto copy_uaddr;
+
 		if (!(flags & MSG_PEEK)) {
 			sk_eat_skb(sk, skb, 0);
 			*seq = 0;
 		}
 
-		/* For non stream protcols we get one packet per recvmsg call */
-		if (sk->sk_type != SOCK_STREAM)
-			goto copy_uaddr;
-
 		/* Partial read */
 		if (used + offset < skb->len)
 			continue;
@@ -857,6 +857,12 @@ copy_uaddr:
 	}
 	if (llc_sk(sk)->cmsg_flags)
 		llc_cmsg_rcv(msg, skb);
+
+	if (!(flags & MSG_PEEK)) {
+			sk_eat_skb(sk, skb, 0);
+			*seq = 0;
+	}
+
 	goto out;
 }
 
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index b064e4df12c6..2e4b961648d4 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -303,6 +303,38 @@ ieee80211_wake_queue_agg(struct ieee80211_local *local, int tid)
 	__release(agg_queue);
 }
 
+/*
+ * splice packets from the STA's pending to the local pending,
+ * requires a call to ieee80211_agg_splice_finish later
+ */
+static void __acquires(agg_queue)
+ieee80211_agg_splice_packets(struct ieee80211_local *local,
+			     struct tid_ampdu_tx *tid_tx, u16 tid)
+{
+	int queue = ieee80211_ac_from_tid(tid);
+	unsigned long flags;
+
+	ieee80211_stop_queue_agg(local, tid);
+
+	if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
+			  " from the pending queue\n", tid))
+		return;
+
+	if (!skb_queue_empty(&tid_tx->pending)) {
+		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+		/* copy over remaining packets */
+		skb_queue_splice_tail_init(&tid_tx->pending,
+					   &local->pending[queue]);
+		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+	}
+}
+
+static void __releases(agg_queue)
+ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
+{
+	ieee80211_wake_queue_agg(local, tid);
+}
+
 void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 {
 	struct tid_ampdu_tx *tid_tx;
@@ -314,19 +346,17 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
 
 	/*
-	 * While we're asking the driver about the aggregation,
-	 * stop the AC queue so that we don't have to worry
-	 * about frames that came in while we were doing that,
-	 * which would require us to put them to the AC pending
-	 * afterwards which just makes the code more complex.
+	 * Start queuing up packets for this aggregation session.
+	 * We're going to release them once the driver is OK with
+	 * that.
 	 */
-	ieee80211_stop_queue_agg(local, tid);
-
 	clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state);
 
 	/*
-	 * make sure no packets are being processed to get
-	 * valid starting sequence number
+	 * Make sure no packets are being processed. This ensures that
+	 * we have a valid starting sequence number and that in-flight
+	 * packets have been flushed out and no packets for this TID
+	 * will go into the driver during the ampdu_action call.
 	 */
 	synchronize_net();
 
@@ -340,17 +370,15 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 					" tid %d\n", tid);
 #endif
 		spin_lock_bh(&sta->lock);
+		ieee80211_agg_splice_packets(local, tid_tx, tid);
 		ieee80211_assign_tid_tx(sta, tid, NULL);
+		ieee80211_agg_splice_finish(local, tid);
 		spin_unlock_bh(&sta->lock);
 
-		ieee80211_wake_queue_agg(local, tid);
 		kfree_rcu(tid_tx, rcu_head);
 		return;
 	}
 
-	/* we can take packets again now */
-	ieee80211_wake_queue_agg(local, tid);
-
 	/* activate the timer for the recipient's addBA response */
 	mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
 #ifdef CONFIG_MAC80211_HT_DEBUG
@@ -466,38 +494,6 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
 }
 EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
 
-/*
- * splice packets from the STA's pending to the local pending,
- * requires a call to ieee80211_agg_splice_finish later
- */
-static void __acquires(agg_queue)
-ieee80211_agg_splice_packets(struct ieee80211_local *local,
-			     struct tid_ampdu_tx *tid_tx, u16 tid)
-{
-	int queue = ieee80211_ac_from_tid(tid);
-	unsigned long flags;
-
-	ieee80211_stop_queue_agg(local, tid);
-
-	if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
-			  " from the pending queue\n", tid))
-		return;
-
-	if (!skb_queue_empty(&tid_tx->pending)) {
-		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
-		/* copy over remaining packets */
-		skb_queue_splice_tail_init(&tid_tx->pending,
-					   &local->pending[queue]);
-		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-	}
-}
-
-static void __releases(agg_queue)
-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
-{
-	ieee80211_wake_queue_agg(local, tid);
-}
-
 static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
 					 struct sta_info *sta, u16 tid)
 {
diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c
index 5b138506690e..9ddf1c3bfb39 100644
--- a/net/netfilter/xt_connbytes.c
+++ b/net/netfilter/xt_connbytes.c
@@ -87,10 +87,10 @@ connbytes_mt(const struct sk_buff *skb, struct xt_action_param *par)
 		break;
 	}
 
-	if (sinfo->count.to)
+	if (sinfo->count.to >= sinfo->count.from)
 		return what <= sinfo->count.to && what >= sinfo->count.from;
-	else
-		return what >= sinfo->count.from;
+	else /* inverted */
+		return what < sinfo->count.to || what > sinfo->count.from;
 }
 
 static int connbytes_mt_check(const struct xt_mtchk_param *par)
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 3925c6578767..ea66034499ce 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -69,7 +69,7 @@ static int __nci_request(struct nci_dev *ndev,
 	__u32 timeout)
 {
 	int rc = 0;
-	unsigned long completion_rc;
+	long completion_rc;
 
 	ndev->req_status = NCI_REQ_PEND;
 
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 82a6f34d39d0..3891702b81df 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1630,8 +1630,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (snaplen > res)
 		snaplen = res;
 
-	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
-	    (unsigned)sk->sk_rcvbuf)
+	if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
 		goto drop_n_acct;
 
 	if (skb_shared(skb)) {
@@ -1762,8 +1761,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (po->tp_version <= TPACKET_V2) {
 		if (macoff + snaplen > po->rx_ring.frame_size) {
 			if (po->copy_thresh &&
-				atomic_read(&sk->sk_rmem_alloc) + skb->truesize
-				< (unsigned)sk->sk_rcvbuf) {
+			    atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) {
 				if (skb_shared(skb)) {
 					copy_skb = skb_clone(skb, GFP_ATOMIC);
 				} else {
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index b9493a09a870..6cd8ddfb512d 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -385,7 +385,7 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp,
 	struct gred_sched_data *q;
 
 	if (table->tab[dp] == NULL) {
-		table->tab[dp] = kzalloc(sizeof(*q), GFP_KERNEL);
+		table->tab[dp] = kzalloc(sizeof(*q), GFP_ATOMIC);
 		if (table->tab[dp] == NULL)
 			return -ENOMEM;
 	}
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index f88256cbacbf..28de43092330 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -107,7 +107,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
 	if (!netif_is_multiqueue(dev))
 		return -EOPNOTSUPP;
 
-	if (nla_len(opt) < sizeof(*qopt))
+	if (!opt || nla_len(opt) < sizeof(*qopt))
 		return -EINVAL;
 
 	qopt = nla_data(opt);
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 152b5b3c3fff..acd2edbc073e 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -173,7 +173,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
-		(unsigned long)sp->autoclose * HZ;
+		min_t(unsigned long, sp->autoclose, sctp_max_autoclose) * HZ;
 
 	/* Initializes the timers */
 	for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 08b3cead6503..817174eb5f41 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -697,13 +697,7 @@ static void sctp_packet_append_data(struct sctp_packet *packet,
 	/* Keep track of how many bytes are in flight to the receiver. */
 	asoc->outqueue.outstanding_bytes += datasize;
 
-	/* Update our view of the receiver's rwnd. Include sk_buff overhead
-	 * while updating peer.rwnd so that it reduces the chances of a
-	 * receiver running out of receive buffer space even when receive
-	 * window is still open. This can happen when a sender is sending
-	 * sending small messages.
-	 */
-	datasize += sizeof(struct sk_buff);
+	/* Update our view of the receiver's rwnd. */
 	if (datasize < rwnd)
 		rwnd -= datasize;
 	else
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 14c2b06028ff..cfeb1d4a1ee6 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -411,8 +411,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
 					chunk->transport->flight_size -=
 							sctp_data_size(chunk);
 				q->outstanding_bytes -= sctp_data_size(chunk);
-				q->asoc->peer.rwnd += (sctp_data_size(chunk) +
-							sizeof(struct sk_buff));
+				q->asoc->peer.rwnd += sctp_data_size(chunk);
 			}
 			continue;
 		}
@@ -432,8 +431,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
 			 * (Section 7.2.4)), add the data size of those
 			 * chunks to the rwnd.
 			 */
-			q->asoc->peer.rwnd += (sctp_data_size(chunk) +
-						sizeof(struct sk_buff));
+			q->asoc->peer.rwnd += sctp_data_size(chunk);
 			q->outstanding_bytes -= sctp_data_size(chunk);
 			if (chunk->transport)
 				transport->flight_size -= sctp_data_size(chunk);
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 61b9fca5a173..6f6ad8686833 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1285,6 +1285,9 @@ SCTP_STATIC __init int sctp_init(void)
 	sctp_max_instreams    		= SCTP_DEFAULT_INSTREAMS;
 	sctp_max_outstreams   		= SCTP_DEFAULT_OUTSTREAMS;
 
+	/* Initialize maximum autoclose timeout. */
+	sctp_max_autoclose		= INT_MAX / HZ;
+
 	/* Initialize handle used for association ids. */
 	idr_init(&sctp_assocs_id);
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 13bf5fcdbff1..54a7cd2fdd7a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2200,8 +2200,6 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 		return -EINVAL;
 	if (copy_from_user(&sp->autoclose, optval, optlen))
 		return -EFAULT;
-	/* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
-	sp->autoclose = min_t(long, sp->autoclose, MAX_SCHEDULE_TIMEOUT / HZ);
 
 	return 0;
 }
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 6b3952961b85..60ffbd067ff7 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -53,6 +53,10 @@ static int sack_timer_min = 1;
 static int sack_timer_max = 500;
 static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */
 static int rwnd_scale_max = 16;
+static unsigned long max_autoclose_min = 0;
+static unsigned long max_autoclose_max =
+	(MAX_SCHEDULE_TIMEOUT / HZ > UINT_MAX)
+	? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
 
 extern long sysctl_sctp_mem[3];
 extern int sysctl_sctp_rmem[3];
@@ -258,6 +262,15 @@ static ctl_table sctp_table[] = {
 		.extra1		= &one,
 		.extra2		= &rwnd_scale_max,
 	},
+	{
+		.procname	= "max_autoclose",
+		.data		= &sctp_max_autoclose,
+		.maxlen		= sizeof(unsigned long),
+		.mode		= 0644,
+		.proc_handler	= &proc_doulongvec_minmax,
+		.extra1		= &max_autoclose_min,
+		.extra2		= &max_autoclose_max,
+	},
 
 	{ /* sentinel */ }
 };
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index d12ffa545811..00a1a2acd587 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -590,6 +590,27 @@ void rpc_prepare_task(struct rpc_task *task)
 	task->tk_ops->rpc_call_prepare(task, task->tk_calldata);
 }
 
+static void
+rpc_init_task_statistics(struct rpc_task *task)
+{
+	/* Initialize retry counters */
+	task->tk_garb_retry = 2;
+	task->tk_cred_retry = 2;
+	task->tk_rebind_retry = 2;
+
+	/* starting timestamp */
+	task->tk_start = ktime_get();
+}
+
+static void
+rpc_reset_task_statistics(struct rpc_task *task)
+{
+	task->tk_timeouts = 0;
+	task->tk_flags &= ~(RPC_CALL_MAJORSEEN|RPC_TASK_KILLED|RPC_TASK_SENT);
+
+	rpc_init_task_statistics(task);
+}
+
 /*
  * Helper that calls task->tk_ops->rpc_call_done if it exists
  */
@@ -602,6 +623,7 @@ void rpc_exit_task(struct rpc_task *task)
 			WARN_ON(RPC_ASSASSINATED(task));
 			/* Always release the RPC slot and buffer memory */
 			xprt_release(task);
+			rpc_reset_task_statistics(task);
 		}
 	}
 }
@@ -804,11 +826,6 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
 	task->tk_calldata = task_setup_data->callback_data;
 	INIT_LIST_HEAD(&task->tk_task);
 
-	/* Initialize retry counters */
-	task->tk_garb_retry = 2;
-	task->tk_cred_retry = 2;
-	task->tk_rebind_retry = 2;
-
 	task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW;
 	task->tk_owner = current->tgid;
 
@@ -818,8 +835,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
 	if (task->tk_ops->rpc_call_prepare != NULL)
 		task->tk_action = rpc_prepare_task;
 
-	/* starting timestamp */
-	task->tk_start = ktime_get();
+	rpc_init_task_statistics(task);
 
 	dprintk("RPC:       new task initialized, procpid %u\n",
 				task_pid_nr(current));
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index f4385e45a5fc..c64c0ef519b5 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -995,13 +995,11 @@ out_init_req:
 
 static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
 {
-	if (xprt_dynamic_free_slot(xprt, req))
-		return;
-
-	memset(req, 0, sizeof(*req));	/* mark unused */
-
 	spin_lock(&xprt->reserve_lock);
-	list_add(&req->rq_list, &xprt->free);
+	if (!xprt_dynamic_free_slot(xprt, req)) {
+		memset(req, 0, sizeof(*req));	/* mark unused */
+		list_add(&req->rq_list, &xprt->free);
+	}
 	rpc_wake_up_next(&xprt->backlog);
 	spin_unlock(&xprt->reserve_lock);
 }
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 2118d6446630..9049a5caeb25 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2276,8 +2276,6 @@ static void __xfrm_garbage_collect(struct net *net)
 {
 	struct dst_entry *head, *next;
 
-	flow_cache_flush();
-
 	spin_lock_bh(&xfrm_policy_sk_bundle_lock);
 	head = xfrm_policy_sk_bundles;
 	xfrm_policy_sk_bundles = NULL;
@@ -2290,6 +2288,18 @@ static void __xfrm_garbage_collect(struct net *net)
 	}
 }
 
+static void xfrm_garbage_collect(struct net *net)
+{
+	flow_cache_flush();
+	__xfrm_garbage_collect(net);
+}
+
+static void xfrm_garbage_collect_deferred(struct net *net)
+{
+	flow_cache_flush_deferred();
+	__xfrm_garbage_collect(net);
+}
+
 static void xfrm_init_pmtu(struct dst_entry *dst)
 {
 	do {
@@ -2422,7 +2432,7 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
 		if (likely(dst_ops->neigh_lookup == NULL))
 			dst_ops->neigh_lookup = xfrm_neigh_lookup;
 		if (likely(afinfo->garbage_collect == NULL))
-			afinfo->garbage_collect = __xfrm_garbage_collect;
+			afinfo->garbage_collect = xfrm_garbage_collect_deferred;
 		xfrm_policy_afinfo[afinfo->family] = afinfo;
 	}
 	write_unlock_bh(&xfrm_policy_afinfo_lock);
@@ -2516,7 +2526,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
 
 	switch (event) {
 	case NETDEV_DOWN:
-		__xfrm_garbage_collect(dev_net(dev));
+		xfrm_garbage_collect(dev_net(dev));
 	}
 	return NOTIFY_DONE;
 }
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index ba573fe7c74d..914833d99b06 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -60,8 +60,8 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
 	    --directory=$(srctree) --directory=$(objtree)           \
 	    --output $(obj)/config.pot
 	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
-	$(Q)ln -fs Kconfig.x86 arch/um/Kconfig
-	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig`;    \
+	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
+	    $(srctree)/arch/*/um/Kconfig`;               \
 	    do                                           \
 		echo "  GEN $$i";                        \
 		$(obj)/kxgettext $$i                     \
@@ -69,7 +69,6 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
 	    done )
 	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
 	    --output $(obj)/linux.pot
-	$(Q)rm -f $(srctree)/arch/um/Kconfig
 	$(Q)rm -f $(obj)/config.pot
 
 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 5dd5b140242c..8738deff26fa 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -27,20 +27,35 @@ static int evmkey_len = MAX_KEY_SIZE;
 
 struct crypto_shash *hmac_tfm;
 
+static DEFINE_MUTEX(mutex);
+
 static struct shash_desc *init_desc(void)
 {
 	int rc;
 	struct shash_desc *desc;
 
 	if (hmac_tfm == NULL) {
+		mutex_lock(&mutex);
+		if (hmac_tfm)
+			goto out;
 		hmac_tfm = crypto_alloc_shash(evm_hmac, 0, CRYPTO_ALG_ASYNC);
 		if (IS_ERR(hmac_tfm)) {
 			pr_err("Can not allocate %s (reason: %ld)\n",
 			       evm_hmac, PTR_ERR(hmac_tfm));
 			rc = PTR_ERR(hmac_tfm);
 			hmac_tfm = NULL;
+			mutex_unlock(&mutex);
+			return ERR_PTR(rc);
+		}
+		rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
+		if (rc) {
+			crypto_free_shash(hmac_tfm);
+			hmac_tfm = NULL;
+			mutex_unlock(&mutex);
 			return ERR_PTR(rc);
 		}
+out:
+		mutex_unlock(&mutex);
 	}
 
 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac_tfm),
@@ -51,11 +66,7 @@ static struct shash_desc *init_desc(void)
 	desc->tfm = hmac_tfm;
 	desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
-	if (rc)
-		goto out;
 	rc = crypto_shash_init(desc);
-out:
 	if (rc) {
 		kfree(desc);
 		return ERR_PTR(rc);
diff --git a/security/selinux/netport.c b/security/selinux/netport.c
index 0b62bd112461..7b9eb1faf68b 100644
--- a/security/selinux/netport.c
+++ b/security/selinux/netport.c
@@ -123,7 +123,9 @@ static void sel_netport_insert(struct sel_netport *port)
 	if (sel_netport_hash[idx].size == SEL_NETPORT_HASH_BKT_LIMIT) {
 		struct sel_netport *tail;
 		tail = list_entry(
-			rcu_dereference(sel_netport_hash[idx].list.prev),
+			rcu_dereference_protected(
+				sel_netport_hash[idx].list.prev,
+				lockdep_is_held(&sel_netport_lock)),
 			struct sel_netport, list);
 		list_del_rcu(&tail->list);
 		kfree_rcu(tail, rcu);
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 6e5addeb236b..73516f69ac7c 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
 		/* AC97 v2.2 specifications says minimum 1 us. */
 		udelay(2);
 		gpio_set_value(chip->reset_pin, 1);
+	} else {
+		ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
+		udelay(2);
+		ac97c_writel(chip, MR, AC97C_MR_ENA);
 	}
 }
 
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 7d98240def0b..c2f79e63124d 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2507,6 +2507,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS 1101HA", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
@@ -2970,7 +2971,8 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	/* SCH */
 	{ PCI_DEVICE(0x8086, 0x811b),
 	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
-	  AZX_DCAPS_BUFSIZE},
+	  AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
+	/* ICH */
 	{ PCI_DEVICE(0x8086, 0x2668),
 	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
 	  AZX_DCAPS_BUFSIZE },  /* ICH6 */
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index eeb25d529e30..616678fde486 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4929,6 +4929,12 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
 				set_hp_led_gpio(codec);
 				return 1;
 			}
+			/* BIOS bug: unfilled OEM string */
+			if (strstr(dev->name, "HP_Mute_LED_P_G")) {
+				set_hp_led_gpio(codec);
+				spec->gpio_led_polarity = 1;
+				return 1;
+			}
 		}
 
 		/*
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 4584514d93d4..fa787d45d74a 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -33,7 +33,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_CX20442
 	select SND_SOC_DA7210 if I2C
 	select SND_SOC_DFBMCS320
-	select SND_SOC_JZ4740_CODEC if SOC_JZ4740
+	select SND_SOC_JZ4740_CODEC
 	select SND_SOC_LM4857 if I2C
 	select SND_SOC_MAX98088 if I2C
 	select SND_SOC_MAX98095 if I2C
diff --git a/sound/soc/codecs/jz4740.c b/sound/soc/codecs/jz4740.c
index e373f8f06907..3e1f4e172bfb 100644
--- a/sound/soc/codecs/jz4740.c
+++ b/sound/soc/codecs/jz4740.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <linux/delay.h>
 
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 0293763debe5..5a14d5c0e0e1 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -60,6 +60,8 @@ static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name,
 	}
 
 	if (memcmp(fw->data, "WMFW", 4) != 0) {
+		memcpy(&data32, fw->data, sizeof(data32));
+		data32 = be32_to_cpu(data32);
 		dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
 			name, data32);
 		goto err;
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 645c980d6b80..a33b04d17195 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -1968,6 +1968,7 @@ static int wm8996_set_sysclk(struct snd_soc_dai *dai,
 		break;
 	case 24576000:
 		ratediv = WM8996_SYSCLK_DIV;
+		wm8996->sysclk /= 2;
 	case 12288000:
 		snd_soc_update_bits(codec, WM8996_AIF_RATE,
 				    WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c
index dea5aa4aa647..f39d7dd9fbcb 100644
--- a/sound/soc/mxs/mxs-pcm.c
+++ b/sound/soc/mxs/mxs-pcm.c
@@ -357,3 +357,6 @@ static void __exit snd_mxs_pcm_exit(void)
 	platform_driver_unregister(&mxs_pcm_driver);
 }
 module_exit(snd_mxs_pcm_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-pcm-audio");
diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
index 7fbeaec06eb4..1c57f6630a48 100644
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -171,3 +171,4 @@ module_exit(mxs_sgtl5000_exit);
 MODULE_AUTHOR("Freescale Semiconductor, Inc.");
 MODULE_DESCRIPTION("MXS ALSA SoC Machine driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-sgtl5000");
diff --git a/sound/soc/pxa/hx4700.c b/sound/soc/pxa/hx4700.c
index 65c124831a00..c664e33fb6d7 100644
--- a/sound/soc/pxa/hx4700.c
+++ b/sound/soc/pxa/hx4700.c
@@ -209,9 +209,10 @@ static int __devinit hx4700_audio_probe(struct platform_device *pdev)
 	snd_soc_card_hx4700.dev = &pdev->dev;
 	ret = snd_soc_register_card(&snd_soc_card_hx4700);
 	if (ret)
-		return ret;
+		gpio_free_array(hx4700_audio_gpios,
+				ARRAY_SIZE(hx4700_audio_gpios));
 
-	return 0;
+	return ret;
 }
 
 static int __devexit hx4700_audio_remove(struct platform_device *pdev)
diff --git a/sound/soc/samsung/jive_wm8750.c b/sound/soc/samsung/jive_wm8750.c
index 1826acf20f7c..8e523fd9189e 100644
--- a/sound/soc/samsung/jive_wm8750.c
+++ b/sound/soc/samsung/jive_wm8750.c
@@ -101,7 +101,6 @@ static int jive_wm8750_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	int err;
 
 	/* These endpoints are not being used. */
 	snd_soc_dapm_nc_pin(dapm, "LINPUT2");
@@ -131,7 +130,7 @@ static struct snd_soc_card snd_soc_machine_jive = {
 	.dai_link	= &jive_dai,
 	.num_links	= 1,
 
-	.dapm_widgtets	= wm8750_dapm_widgets,
+	.dapm_widgets	= wm8750_dapm_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
 	.dapm_routes	= audio_map,
 	.num_dapm_routes = ARRAY_SIZE(audio_map),
diff --git a/sound/soc/samsung/smdk2443_wm9710.c b/sound/soc/samsung/smdk2443_wm9710.c
index 3a0dbfc793f0..8bd1dc5706bf 100644
--- a/sound/soc/samsung/smdk2443_wm9710.c
+++ b/sound/soc/samsung/smdk2443_wm9710.c
@@ -12,6 +12,7 @@
  *
  */
 
+#include <linux/module.h>
 #include <sound/soc.h>
 
 static struct snd_soc_card smdk2443;