22 files changed, 82 insertions, 55 deletions
diff --git a/include/asm-generic/hardirq.h b/include/asm-generic/hardirq.h
index 23bb4dad4962..62f59080e5cc 100644
--- a/include/asm-generic/hardirq.h
+++ b/include/asm-generic/hardirq.h
@@ -6,7 +6,7 @@
 #include <linux/irq.h>
 
 typedef struct {
-	unsigned long __softirq_pending;
+	unsigned int __softirq_pending;
 } ____cacheline_aligned irq_cpustat_t;
 
 #include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index ef47dfd8e5e9..b29e20168b5f 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -61,6 +61,9 @@ struct drm_crtc_helper_funcs {
 	/* Move the crtc on the current fb to the given position *optional* */
 	int (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
 			     struct drm_framebuffer *old_fb);
+
+	/* reload the current crtc LUT */
+	void (*load_lut)(struct drm_crtc *crtc);
 };
 
 struct drm_encoder_helper_funcs {
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 4aa5740ce59f..58c892a2cbfa 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -39,6 +39,8 @@ struct drm_fb_helper_crtc {
 struct drm_fb_helper_funcs {
 	void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
 			  u16 blue, int regno);
+	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
+			  u16 *blue, int regno);
 };
 
 /* mode specified on the command line */
@@ -71,6 +73,7 @@ struct drm_fb_helper {
 };
 
 int drm_fb_helper_single_fb_probe(struct drm_device *dev,
+				  int preferred_bpp,
 				  int (*fb_create)(struct drm_device *dev,
 						   uint32_t fb_width,
 						   uint32_t fb_height,
@@ -98,9 +101,11 @@ int drm_fb_helper_setcolreg(unsigned regno,
 void drm_fb_helper_restore(void);
 void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb,
 			    uint32_t fb_width, uint32_t fb_height);
-void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch);
+void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
+			    uint32_t depth);
 
 int drm_fb_helper_add_connector(struct drm_connector *connector);
 int drm_fb_helper_parse_command_line(struct drm_device *dev);
+int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
 #endif
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 3f6e545609be..e6f3b120f51a 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -80,7 +80,7 @@
 	{0x1002, 0x5158, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \
 	{0x1002, 0x5159, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \
 	{0x1002, 0x515A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \
-	{0x1002, 0x515E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \
+	{0x1002, 0x515E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|RADEON_SINGLE_CRTC}, \
 	{0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
@@ -113,7 +113,7 @@
 	{0x1002, 0x5962, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \
 	{0x1002, 0x5964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \
 	{0x1002, 0x5965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \
-	{0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \
+	{0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|RADEON_SINGLE_CRTC}, \
 	{0x1002, 0x5a41, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_IGPGART}, \
 	{0x1002, 0x5a42, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \
 	{0x1002, 0x5a61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_IGPGART}, \
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index cff4a101f266..3f384d4b163a 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -126,6 +126,7 @@ header-y += nfs_mount.h
 header-y += nl80211.h
 header-y += param.h
 header-y += pci_regs.h
+header-y += perf_event.h
 header-y += pfkeyv2.h
 header-y += pg.h
 header-y += phantom.h
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 6299a259ed19..4fb357312b3b 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -334,9 +334,12 @@ enum {
 	SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */
 
 	/* SETFEATURE Sector counts for SATA features */
-	SATA_AN			= 0x05,  /* Asynchronous Notification */
-	SATA_DIPM		= 0x03,  /* Device Initiated Power Management */
-	SATA_FPDMA_AA		= 0x02,  /* DMA Setup FIS Auto-Activate */
+	SATA_FPDMA_OFFSET	= 0x01,	/* FPDMA non-zero buffer offsets */
+	SATA_FPDMA_AA		= 0x02, /* FPDMA Setup FIS Auto-Activate */
+	SATA_DIPM		= 0x03,	/* Device Initiated Power Management */
+	SATA_FPDMA_IN_ORDER	= 0x04,	/* FPDMA in-order data delivery */
+	SATA_AN			= 0x05,	/* Asynchronous Notification */
+	SATA_SSP		= 0x06,	/* Software Settings Preservation */
 
 	/* feature values for SET_MAX */
 	ATA_SET_MAX_ADDR	= 0x00,
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index cd3d2abaf30a..0b4f97d24d7f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -241,7 +241,7 @@ extern void ftrace_enable_daemon(void);
 # define ftrace_set_filter(buf, len, reset)	do { } while (0)
 # define ftrace_disable_daemon()		do { } while (0)
 # define ftrace_enable_daemon()			do { } while (0)
-static inline void ftrace_release(void *start, unsigned long size) { }
+static inline void ftrace_release_mod(struct module *mod) {}
 static inline int register_ftrace_command(struct ftrace_func_command *cmd)
 {
 	return -EINVAL;
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 8ec17997d94f..1e5a26d79232 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -33,8 +33,8 @@
 #define FUTEX_LOCK_PI_PRIVATE	(FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG)
 #define FUTEX_UNLOCK_PI_PRIVATE	(FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG)
 #define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG)
-#define FUTEX_WAIT_BITSET_PRIVATE	(FUTEX_WAIT_BITS | FUTEX_PRIVATE_FLAG)
-#define FUTEX_WAKE_BITSET_PRIVATE	(FUTEX_WAKE_BITS | FUTEX_PRIVATE_FLAG)
+#define FUTEX_WAIT_BITSET_PRIVATE	(FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG)
+#define FUTEX_WAKE_BITSET_PRIVATE	(FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG)
 #define FUTEX_WAIT_REQUEUE_PI_PRIVATE	(FUTEX_WAIT_REQUEUE_PI | \
 					 FUTEX_PRIVATE_FLAG)
 #define FUTEX_CMP_REQUEUE_PI_PRIVATE	(FUTEX_CMP_REQUEUE_PI | \
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
index 2d02dfd7076c..508824ee35e6 100644
--- a/include/linux/i2c/twl4030.h
+++ b/include/linux/i2c/twl4030.h
@@ -349,11 +349,11 @@ struct twl4030_madc_platform_data {
 	int		irq_line;
 };
 
-/* Boards have uniqe mappings of {col, row} --> keycode.
- * Column and row are 4 bits, but range only from 0..7.
+/* Boards have uniqe mappings of {row, col} --> keycode.
+ * Column and row are 8 bits each, but range only from 0..7.
  * a PERSISTENT_KEY is "always on" and never reported.
  */
-#define PERSISTENT_KEY(c, r)	KEY((c), (r), KEY_RESERVED)
+#define PERSISTENT_KEY(r, c)	KEY((r), (c), KEY_RESERVED)
 
 struct twl4030_keypad_data {
 	const struct matrix_keymap_data *keymap_data;
diff --git a/include/linux/init.h b/include/linux/init.h
index 400adbb45414..ff8bde520d03 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -271,6 +271,7 @@ void __init parse_early_options(char *cmdline);
 #else /* MODULE */
 
 /* Don't use these in modules, but some people do... */
+#define early_initcall(fn)		module_init(fn)
 #define core_initcall(fn)		module_init(fn)
 #define postcore_initcall(fn)		module_init(fn)
 #define arch_initcall(fn)		module_init(fn)
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index b78cf8194957..7ca72b74eec7 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -10,7 +10,6 @@
 #include <linux/irqreturn.h>
 #include <linux/irqnr.h>
 #include <linux/hardirq.h>
-#include <linux/sched.h>
 #include <linux/irqflags.h>
 #include <linux/smp.h>
 #include <linux/percpu.h>
@@ -610,6 +609,7 @@ extern void debug_poll_all_shared_irqs(void);
 static inline void debug_poll_all_shared_irqs(void) { }
 #endif
 
+struct seq_file;
 int show_interrupts(struct seq_file *p, void *v);
 
 struct irq_desc;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 76319bf03e37..87698640c091 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -418,6 +418,17 @@ enum {
 				  ATA_TIMING_ACTIVE | ATA_TIMING_RECOVER |
 				  ATA_TIMING_DMACK_HOLD | ATA_TIMING_CYCLE |
 				  ATA_TIMING_UDMA,
+
+	/* ACPI constants */
+	ATA_ACPI_FILTER_SETXFER	= 1 << 0,
+	ATA_ACPI_FILTER_LOCK	= 1 << 1,
+	ATA_ACPI_FILTER_DIPM	= 1 << 2,
+	ATA_ACPI_FILTER_FPDMA_OFFSET = 1 << 3,	/* FPDMA non-zero offset */
+	ATA_ACPI_FILTER_FPDMA_AA = 1 << 4,	/* FPDMA auto activate */
+
+	ATA_ACPI_FILTER_DEFAULT	= ATA_ACPI_FILTER_SETXFER |
+				  ATA_ACPI_FILTER_LOCK |
+				  ATA_ACPI_FILTER_DIPM,
 };
 
 enum ata_xfer_mask {
@@ -587,6 +598,7 @@ struct ata_device {
 #ifdef CONFIG_ATA_ACPI
 	acpi_handle		acpi_handle;
 	union acpi_object	*gtf_cache;
+	unsigned int		gtf_filter;
 #endif
 	/* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
 	u64			n_sectors;	/* size of device, if ATA */
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 81bb42358595..eaf36364b7d4 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -11,6 +11,7 @@
 #define LINUX_MMC_HOST_H
 
 #include <linux/leds.h>
+#include <linux/sched.h>
 
 #include <linux/mmc/core.h>
 
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3a9d36d1e92a..2e6d95f97419 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -442,6 +442,7 @@ enum perf_callchain_context {
 #include <linux/hrtimer.h>
 #include <linux/fs.h>
 #include <linux/pid_namespace.h>
+#include <linux/workqueue.h>
 #include <asm/atomic.h>
 
 #define PERF_MAX_STACK_DEPTH		255
@@ -513,6 +514,10 @@ struct file;
 
 struct perf_mmap_data {
 	struct rcu_head			rcu_head;
+#ifdef CONFIG_PERF_USE_VMALLOC
+	struct work_struct		work;
+#endif
+	int				data_order;
 	int				nr_pages;	/* nr of data pages  */
 	int				writable;	/* are we writable   */
 	int				nr_locked;	/* nr pages mlocked  */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 6fe0363724e9..3ebd0b7bcb08 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -77,7 +77,7 @@ extern int rcu_scheduler_active;
 #error "Unknown RCU implementation specified to kernel configuration"
 #endif
 
-#define RCU_HEAD_INIT 	{ .next = NULL, .func = NULL }
+#define RCU_HEAD_INIT	{ .next = NULL, .func = NULL }
 #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT
 #define INIT_RCU_HEAD(ptr) do { \
        (ptr)->next = NULL; (ptr)->func = NULL; \
@@ -129,12 +129,6 @@ static inline void rcu_read_lock(void)
 	rcu_read_acquire();
 }
 
-/**
- * rcu_read_unlock - marks the end of an RCU read-side critical section.
- *
- * See rcu_read_lock() for more information.
- */
-
 /*
  * So where is rcu_write_lock()?  It does not exist, as there is no
  * way for writers to lock out RCU readers.  This is a feature, not
@@ -144,6 +138,12 @@ static inline void rcu_read_lock(void)
  * used as well.  RCU does not care how the writers keep out of each
  * others' way, as long as they do so.
  */
+
+/**
+ * rcu_read_unlock - marks the end of an RCU read-side critical section.
+ *
+ * See rcu_read_lock() for more information.
+ */
 static inline void rcu_read_unlock(void)
 {
 	rcu_read_release();
@@ -196,6 +196,8 @@ static inline void rcu_read_lock_sched(void)
 	__acquire(RCU_SCHED);
 	rcu_read_acquire();
 }
+
+/* Used by lockdep and tracing: cannot be traced, cannot call lockdep. */
 static inline notrace void rcu_read_lock_sched_notrace(void)
 {
 	preempt_disable_notrace();
@@ -213,6 +215,8 @@ static inline void rcu_read_unlock_sched(void)
 	__release(RCU_SCHED);
 	preempt_enable();
 }
+
+/* Used by lockdep and tracing: cannot be traced, cannot call lockdep. */
 static inline notrace void rcu_read_unlock_sched_notrace(void)
 {
 	__release(RCU_SCHED);
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 37682770e9d2..46e9ab3ee6e1 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -30,10 +30,14 @@
 #ifndef __LINUX_RCUTREE_H
 #define __LINUX_RCUTREE_H
 
+struct notifier_block;
+
 extern void rcu_sched_qs(int cpu);
 extern void rcu_bh_qs(int cpu);
-
+extern int rcu_cpu_notify(struct notifier_block *self,
+			  unsigned long action, void *hcpu);
 extern int rcu_needs_cpu(int cpu);
+extern int rcu_expedited_torture_stats(char *page);
 
 #ifdef CONFIG_TREE_PREEMPT_RCU
 
@@ -85,16 +89,11 @@ static inline void synchronize_rcu_bh_expedited(void)
 
 extern void __rcu_init(void);
 extern void rcu_check_callbacks(int cpu, int user);
-extern void rcu_restart_cpu(int cpu);
 
 extern long rcu_batches_completed(void);
 extern long rcu_batches_completed_bh(void);
 extern long rcu_batches_completed_sched(void);
 
-static inline void rcu_init_sched(void)
-{
-}
-
 #ifdef CONFIG_NO_HZ
 void rcu_enter_nohz(void);
 void rcu_exit_nohz(void);
@@ -107,7 +106,7 @@ static inline void rcu_exit_nohz(void)
 }
 #endif /* CONFIG_NO_HZ */
 
-/* A context switch is a grace period for rcutree. */
+/* A context switch is a grace period for RCU-sched and RCU-bh. */
 static inline int rcu_blocking_is_gp(void)
 {
 	return num_online_cpus() == 1;
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 3b461dffe244..3273a0c5043b 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -16,7 +16,7 @@ struct __kernel_sockaddr_storage {
 				/* _SS_MAXSIZE value minus size of ss_family */
 } __attribute__ ((aligned(_K_SS_ALIGNSIZE)));	/* force desired alignment */
 
-#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+#ifdef __KERNEL__
 
 #include <asm/socket.h>			/* arch-dependent defines	*/
 #include <linux/sockios.h>		/* the SIOCxxx I/O controls	*/
@@ -101,21 +101,6 @@ struct cmsghdr {
 			      ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
 
 /*
- *	This mess will go away with glibc
- */
- 
-#ifdef __KERNEL__
-#define __KINLINE static inline
-#elif  defined(__GNUC__) 
-#define __KINLINE static __inline__
-#elif defined(__cplusplus)
-#define __KINLINE static inline
-#else
-#define __KINLINE static
-#endif
-
-
-/*
  *	Get the next cmsg header
  *
  *	PLEASE, do not touch this function. If you think, that it is
@@ -128,7 +113,7 @@ struct cmsghdr {
  *	ancillary object DATA.				--ANK (980731)
  */
  
-__KINLINE struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
+static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
 					       struct cmsghdr *__cmsg)
 {
 	struct cmsghdr * __ptr;
@@ -140,7 +125,7 @@ __KINLINE struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
 	return __ptr;
 }
 
-__KINLINE struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
+static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
 {
 	return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
 }
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index c17eb64d7213..ce911ebf91e8 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -150,6 +150,7 @@ struct usb_serial {
 	struct usb_interface		*interface;
 	unsigned char			disconnected:1;
 	unsigned char			suspending:1;
+	unsigned char			attached:1;
 	unsigned char			minor;
 	unsigned char			num_ports;
 	unsigned char			num_port_pointers;
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 887e57e3e223..a72edd4eceec 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -303,6 +303,7 @@ struct iscsi_session {
 	int			cmds_max;	/* size of cmds array */
 	struct iscsi_task	**cmds;		/* Original Cmds arr */
 	struct iscsi_pool	cmdpool;	/* PDU's pool */
+	void			*dd_data;	/* LLD private data */
 };
 
 enum {
@@ -363,7 +364,7 @@ extern int iscsi_target_alloc(struct scsi_target *starget);
  */
 extern struct iscsi_cls_session *
 iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost,
-		    uint16_t, int, uint32_t, unsigned int);
+		    uint16_t, int, int, uint32_t, unsigned int);
 extern void iscsi_session_teardown(struct iscsi_cls_session *);
 extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
 extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 084478e14d24..34c46ab5c31b 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -129,6 +129,9 @@ struct scsi_cmnd;
 #define MI_REPORT_TARGET_PGS  0x0a
 /* values for maintenance out */
 #define MO_SET_TARGET_PGS     0x0a
+/* values for variable length command */
+#define READ_32		      0x09
+#define WRITE_32	      0x0b
 
 /* Values for T10/04-262r7 */
 #define	ATA_16		      0x85	/* 16-byte pass-thru */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 3878d1dc7f59..a5e885a111df 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -229,10 +229,6 @@ enum scsi_prot_operations {
 	/* OS-HBA: Protected, HBA-Target: Protected */
 	SCSI_PROT_READ_PASS,
 	SCSI_PROT_WRITE_PASS,
-
-	/* OS-HBA: Protected, HBA-Target: Protected, checksum conversion */
-	SCSI_PROT_READ_CONVERT,
-	SCSI_PROT_WRITE_CONVERT,
 };
 
 static inline void scsi_set_prot_op(struct scsi_cmnd *scmd, unsigned char op)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b62a097b3ecb..6e728b176904 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -798,9 +798,15 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
 static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
 	switch (target_type) {
-	case 1: return shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION;
-	case 2: return shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION;
-	case 3: return shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION;
+	case 1:
+		if (shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION)
+			return target_type;
+	case 2:
+		if (shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION)
+			return target_type;
+	case 3:
+		if (shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION)
+			return target_type;
 	}
 
 	return 0;
@@ -808,13 +814,14 @@ static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsign
 
 static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
+#if defined(CONFIG_BLK_DEV_INTEGRITY)
 	switch (target_type) {
 	case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION;
 	case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION;
 	case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION;
 	case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION;
 	}
-
+#endif
 	return 0;
 }