Merge tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "Features-wise, to me the most important this time is a rework of
  wakeup interrupts handling in the core that makes them work
  consistently across all of the available sleep states, including
  suspend-to-idle.  Many thanks to Thomas Gleixner for his help with
  this work.

  Second is an update of the generic PM domains code that has been in
  need of some care for quite a while.  Unused code is being removed, DT
  support is being added and domains are now going to be attached to
  devices in bus type code in analogy with the ACPI PM domain.  The
  majority of work here was done by Ulf Hansson who also has been the
  most active developer this time.

  Apart from this we have a traditional ACPICA update, this time to
  upstream version 20140828 and a few ACPI wakeup interrupts handling
  patches on top of the general rework mentioned above.  There also are
  several cpufreq commits including renaming the cpufreq-cpu0 driver to
  cpufreq-dt, as this is what implements generic DT-based cpufreq
  support, and a new DT-based idle states infrastructure for cpuidle.

  In addition to that, the ACPI LPSS driver is updated, ACPI support for
  Apple machines is improved, a few bugs are fixed and a few cleanups
  are made all over.

  Finally, the Adaptive Voltage Scaling (AVS) subsystem now has a tree
  maintained by Kevin Hilman that will be merged through the PM tree.

  Numbers-wise, the generic PM domains update takes the lead this time
  with 32 non-merge commits, second is cpufreq (15 commits) and the 3rd
  place goes to the wakeup interrupts handling rework (13 commits).

  Specifics:

   - Rework the handling of wakeup IRQs by the IRQ core such that all of
     them will be switched over to "wakeup" mode in suspend_device_irqs()
     and in that mode the first interrupt will abort system suspend in
     progress or wake up the system if already in suspend-to-idle (or
     equivalent) without executing any interrupt handlers.  Among other
     things that eliminates the wakeup-related motivation to use the
     IRQF_NO_SUSPEND interrupt flag with interrupts which don't really
     need it and should not use it (Thomas Gleixner and Rafael Wysocki)

   - Switch over ACPI to handling wakeup interrupts with the help of the
     new mechanism introduced by the above IRQ core rework (Rafael Wysocki)

   - Rework the core generic PM domains code to eliminate code that's
     not used, add DT support and add a generic mechanism by which
     devices can be added to PM domains automatically during enumeration
     (Ulf Hansson, Geert Uytterhoeven and Tomasz Figa).

   - Add debugfs-based mechanics for debugging generic PM domains
     (Maciej Matraszek).

   - ACPICA update to upstream version 20140828.  Included are updates
     related to the SRAT and GTDT tables and the _PSx methods are in the
     METHOD_NAME list now (Bob Moore and Hanjun Guo).

   - Add _OSI("Darwin") support to the ACPI core (unfortunately, that
     can't really be done in a straightforward way) to prevent
     Thunderbolt from being turned off on Apple systems after boot (or
     after resume from system suspend) and rework the ACPI Smart Battery
     Subsystem (SBS) driver to work correctly with Apple platforms
     (Matthew Garrett and Andreas Noever).

   - ACPI LPSS (Low-Power Subsystem) driver update cleaning up the code,
     adding support for 133MHz I2C source clock on Intel Baytrail to it
     and making it avoid using UART RTS override with Auto Flow Control
     (Heikki Krogerus).

   - ACPI backlight updates removing the video_set_use_native_backlight
     quirk which is not necessary any more, making the code check the
     list of output devices returned by the _DOD method to avoid
     creating acpi_video interfaces that won't work and adding a quirk
     for Lenovo Ideapad Z570 (Hans de Goede, Aaron Lu and Stepan Bujnak)

   - New Win8 ACPI OSI quirks for some Dell laptops (Edward Lin)

   - Assorted ACPI code cleanups (Fabian Frederick, Rasmus Villemoes,
     Sudip Mukherjee, Yijing Wang, and Zhang Rui)

   - cpufreq core updates and cleanups (Viresh Kumar, Preeti U Murthy,
     Rasmus Villemoes)

   - cpufreq driver updates: cpufreq-cpu0/cpufreq-dt (driver name change
     among other things), ppc-corenet, powernv (Viresh Kumar, Preeti U
     Murthy, Shilpasri G Bhat, Lucas Stach)

   - cpuidle support for DT-based idle states infrastructure, new ARM64
     cpuidle driver, cpuidle core cleanups (Lorenzo Pieralisi, Rasmus
     Villemoes)

   - ARM big.LITTLE cpuidle driver updates: support for DT-based
     initialization and Exynos5800 compatible string (Lorenzo Pieralisi,
     Kevin Hilman)

   - Rework of the test_suspend kernel command line argument and a new
     trace event for console resume (Srinivas Pandruvada, Todd E Brandt)

   - Second attempt to optimize swsusp_free() (hibernation core) to make
     it avoid going through all PFNs which may be way too slow on some
     systems (Joerg Roedel)

   - devfreq updates (Paul Bolle, Punit Agrawal, Ãrjan Eide).

   - rockchip-io Adaptive Voltage Scaling (AVS) driver and AVS entry
     update in MAINTAINERS (Heiko Stübner, Kevin Hilman)

   - PM core fix related to clock management (Geert Uytterhoeven)

   - PM core's sysfs code cleanup (Johannes Berg)"

* tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (105 commits)
  ACPI / fan: printk replacement
  PM / clk: Fix crash in clocks management code if !CONFIG_PM_RUNTIME
  PM / Domains: Rename cpu_data to cpuidle_data
  cpufreq: cpufreq-dt: fix potential double put of cpu OF node
  cpufreq: cpu0: rename driver and internals to 'cpufreq_dt'
  PM / hibernate: Iterate over set bits instead of PFNs in swsusp_free()
  cpufreq: ppc-corenet: remove duplicate update of cpu_data
  ACPI / sleep: Rework the handling of ACPI GPE wakeup from suspend-to-idle
  PM / sleep: Rename platform suspend/resume functions in suspend.c
  PM / sleep: Export dpm_suspend_late/noirq() and dpm_resume_early/noirq()
  ACPICA: Introduce acpi_enable_all_wakeup_gpes()
  ACPICA: Clear all non-wakeup GPEs in acpi_hw_enable_wakeup_gpe_block()
  ACPI / video: check _DOD list when creating backlight devices
  PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h
  cpufreq: Replace strnicmp with strncasecmp
  cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
  cpufreq: powernv: Set the pstate of the last hotplugged out cpu in policy->cpus to minimum
  cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
  PM / devfreq: exynos: Enable building exynos PPMU as module
  PM / devfreq: Export helper functions for drivers
  ...

24 files changed, 30 insertions, 115 deletions

diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
index a25c262326dc..322fd1519b09 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
@@ -38,6 +38,7 @@
 			compatible = "arm,cortex-a15";
 			reg = <0>;
 			cci-control-port = <&cci_control1>;
+			cpu-idle-states = <&CLUSTER_SLEEP_BIG>;
 		};
 
 		cpu1: cpu@1 {
@@ -45,6 +46,7 @@
 			compatible = "arm,cortex-a15";
 			reg = <1>;
 			cci-control-port = <&cci_control1>;
+			cpu-idle-states = <&CLUSTER_SLEEP_BIG>;
 		};
 
 		cpu2: cpu@2 {
@@ -52,6 +54,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <0x100>;
 			cci-control-port = <&cci_control2>;
+			cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>;
 		};
 
 		cpu3: cpu@3 {
@@ -59,6 +62,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <0x101>;
 			cci-control-port = <&cci_control2>;
+			cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>;
 		};
 
 		cpu4: cpu@4 {
@@ -66,6 +70,25 @@
 			compatible = "arm,cortex-a7";
 			reg = <0x102>;
 			cci-control-port = <&cci_control2>;
+			cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>;
+		};
+
+		idle-states {
+			CLUSTER_SLEEP_BIG: cluster-sleep-big {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				entry-latency-us = <1000>;
+				exit-latency-us = <700>;
+				min-residency-us = <2000>;
+			};
+
+			CLUSTER_SLEEP_LITTLE: cluster-sleep-little {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				entry-latency-us = <1000>;
+				exit-latency-us = <500>;
+				min-residency-us = <2500>;
+			};
 		};
 	};
 
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 6a24e111d6e1..b89e5f35db84 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -193,7 +193,6 @@ static void __init exynos_init_late(void)
 		/* to be supported later */
 		return;
 
-	pm_genpd_poweroff_unused();
 	exynos_pm_init();
 }
 
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index fd76e1b5a471..20f267121b3e 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -105,78 +105,6 @@ static int exynos_pd_power_off(struct generic_pm_domain *domain)
 	return exynos_pd_power(domain, false);
 }
 
-static void exynos_add_device_to_domain(struct exynos_pm_domain *pd,
-					 struct device *dev)
-{
-	int ret;
-
-	dev_dbg(dev, "adding to power domain %s\n", pd->pd.name);
-
-	while (1) {
-		ret = pm_genpd_add_device(&pd->pd, dev);
-		if (ret != -EAGAIN)
-			break;
-		cond_resched();
-	}
-
-	pm_genpd_dev_need_restore(dev, true);
-}
-
-static void exynos_remove_device_from_domain(struct device *dev)
-{
-	struct generic_pm_domain *genpd = dev_to_genpd(dev);
-	int ret;
-
-	dev_dbg(dev, "removing from power domain %s\n", genpd->name);
-
-	while (1) {
-		ret = pm_genpd_remove_device(genpd, dev);
-		if (ret != -EAGAIN)
-			break;
-		cond_resched();
-	}
-}
-
-static void exynos_read_domain_from_dt(struct device *dev)
-{
-	struct platform_device *pd_pdev;
-	struct exynos_pm_domain *pd;
-	struct device_node *node;
-
-	node = of_parse_phandle(dev->of_node, "samsung,power-domain", 0);
-	if (!node)
-		return;
-	pd_pdev = of_find_device_by_node(node);
-	if (!pd_pdev)
-		return;
-	pd = platform_get_drvdata(pd_pdev);
-	exynos_add_device_to_domain(pd, dev);
-}
-
-static int exynos_pm_notifier_call(struct notifier_block *nb,
-				    unsigned long event, void *data)
-{
-	struct device *dev = data;
-
-	switch (event) {
-	case BUS_NOTIFY_BIND_DRIVER:
-		if (dev->of_node)
-			exynos_read_domain_from_dt(dev);
-
-		break;
-
-	case BUS_NOTIFY_UNBOUND_DRIVER:
-		exynos_remove_device_from_domain(dev);
-
-		break;
-	}
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block platform_nb = {
-	.notifier_call = exynos_pm_notifier_call,
-};
-
 static __init int exynos4_pm_init_power_domain(void)
 {
 	struct platform_device *pdev;
@@ -202,7 +130,6 @@ static __init int exynos4_pm_init_power_domain(void)
 		pd->base = of_iomap(np, 0);
 		pd->pd.power_off = exynos_pd_power_off;
 		pd->pd.power_on = exynos_pd_power_on;
-		pd->pd.of_node = np;
 
 		pd->oscclk = clk_get(dev, "oscclk");
 		if (IS_ERR(pd->oscclk))
@@ -228,15 +155,12 @@ static __init int exynos4_pm_init_power_domain(void)
 			clk_put(pd->oscclk);
 
 no_clk:
-		platform_set_drvdata(pdev, pd);
-
 		on = __raw_readl(pd->base + 0x4) & INT_LOCAL_PWR_EN;
 
 		pm_genpd_init(&pd->pd, NULL, !on);
+		of_genpd_add_provider_simple(np, &pd->pd);
 	}
 
-	bus_register_notifier(&platform_bus_type, &platform_nb);
-
 	return 0;
 }
 arch_initcall(exynos4_pm_init_power_domain);
diff --git a/arch/arm/mach-imx/imx27-dt.c b/arch/arm/mach-imx/imx27-dt.c
index 080e66c6a1d0..dc8f1a6f45f2 100644
--- a/arch/arm/mach-imx/imx27-dt.c
+++ b/arch/arm/mach-imx/imx27-dt.c
@@ -20,7 +20,7 @@
 
 static void __init imx27_dt_init(void)
 {
-	struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+	struct platform_device_info devinfo = { .name = "cpufreq-dt", };
 
 	mxc_arch_reset_init_dt();
 
diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c
index c77deb3f0893..2c5fcaf8675b 100644
--- a/arch/arm/mach-imx/mach-imx51.c
+++ b/arch/arm/mach-imx/mach-imx51.c
@@ -51,7 +51,7 @@ static void __init imx51_ipu_mipi_setup(void)
 
 static void __init imx51_dt_init(void)
 {
-	struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+	struct platform_device_info devinfo = { .name = "cpufreq-dt", };
 
 	mxc_arch_reset_init_dt();
 	imx51_ipu_mipi_setup();
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 8a70a51533fd..bbd8664d1bac 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -644,7 +644,7 @@ static int __init armada_xp_pmsu_cpufreq_init(void)
 		}
 	}
 
-	platform_device_register_simple("cpufreq-generic", -1, NULL, 0);
+	platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
 	return 0;
 }
 
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 828aee9ea6a8..58920bc8807b 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -282,7 +282,7 @@ static inline void omap_init_cpufreq(void)
 	if (!of_have_populated_dt())
 		devinfo.name = "omap-cpufreq";
 	else
-		devinfo.name = "cpufreq-cpu0";
+		devinfo.name = "cpufreq-dt";
 	platform_device_register_full(&devinfo);
 }
 
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 5c45aae675b6..16547f2641a3 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -440,8 +440,3 @@ void s3c64xx_restart(enum reboot_mode mode, const char *cmd)
 	/* if all else fails, or mode was for soft, jump to 0 */
 	soft_restart(0);
 }
-
-void __init s3c64xx_init_late(void)
-{
-	s3c64xx_pm_late_initcall();
-}
diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h
index 7043e7a3a67e..9eb864412911 100644
--- a/arch/arm/mach-s3c64xx/common.h
+++ b/arch/arm/mach-s3c64xx/common.h
@@ -23,7 +23,6 @@ void s3c64xx_init_irq(u32 vic0, u32 vic1);
 void s3c64xx_init_io(struct map_desc *mach_desc, int size);
 
 void s3c64xx_restart(enum reboot_mode mode, const char *cmd);
-void s3c64xx_init_late(void);
 
 void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f,
 	unsigned long xusbxti_f, bool is_s3c6400, void __iomem *reg_base);
@@ -52,12 +51,6 @@ extern void s3c6410_map_io(void);
 #define s3c6410_init NULL
 #endif
 
-#ifdef CONFIG_PM
-int __init s3c64xx_pm_late_initcall(void);
-#else
-static inline int s3c64xx_pm_late_initcall(void) { return 0; }
-#endif
-
 #ifdef CONFIG_S3C64XX_PL080
 extern struct pl08x_platform_data s3c64xx_dma0_plat_data;
 extern struct pl08x_platform_data s3c64xx_dma1_plat_data;
diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index 60576dfbea8d..6224c67f5061 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -233,7 +233,6 @@ MACHINE_START(ANW6410, "A&W6410")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= anw6410_map_io,
 	.init_machine	= anw6410_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index fe116334afda..10b913baab28 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -857,7 +857,6 @@ MACHINE_START(WLF_CRAGG_6410, "Wolfson Cragganmore 6410")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= crag6410_map_io,
 	.init_machine	= crag6410_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index 19e8feb908fd..e4b087c58ee6 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -277,7 +277,6 @@ MACHINE_START(HMT, "Airgoo-HMT")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= hmt_map_io,
 	.init_machine	= hmt_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
index 9cbc07602ef3..ab61af50bfb9 100644
--- a/arch/arm/mach-s3c64xx/mach-mini6410.c
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -366,7 +366,6 @@ MACHINE_START(MINI6410, "MINI6410")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= mini6410_map_io,
 	.init_machine	= mini6410_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c
index 4bae7dc49eea..80cb1446f69f 100644
--- a/arch/arm/mach-s3c64xx/mach-ncp.c
+++ b/arch/arm/mach-s3c64xx/mach-ncp.c
@@ -103,7 +103,6 @@ MACHINE_START(NCP, "NCP")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= ncp_map_io,
 	.init_machine	= ncp_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index fbad2af1ef16..85fa9598b980 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -335,7 +335,6 @@ MACHINE_START(REAL6410, "REAL6410")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= real6410_map_io,
 	.init_machine	= real6410_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
index dec4c08e834f..33224ab36fac 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq5.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -156,7 +156,6 @@ MACHINE_START(SMARTQ5, "SmartQ 5")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= smartq_map_io,
 	.init_machine	= smartq5_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
index 27b322069c7d..fc7fece22fb0 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq7.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -172,7 +172,6 @@ MACHINE_START(SMARTQ7, "SmartQ 7")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= smartq_map_io,
 	.init_machine	= smartq7_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
index 910749768340..6f425126a735 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
@@ -92,7 +92,6 @@ MACHINE_START(SMDK6400, "SMDK6400")
 	.init_irq	= s3c6400_init_irq,
 	.map_io		= smdk6400_map_io,
 	.init_machine	= smdk6400_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 1dc86d76b530..661eb662d051 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -705,7 +705,6 @@ MACHINE_START(SMDK6410, "SMDK6410")
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= smdk6410_map_io,
 	.init_machine	= smdk6410_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 6b37694fa335..aaf7bea4032f 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -347,10 +347,3 @@ static __init int s3c64xx_pm_initcall(void)
 	return 0;
 }
 arch_initcall(s3c64xx_pm_initcall);
-
-int __init s3c64xx_pm_late_initcall(void)
-{
-	pm_genpd_poweroff_unused();
-
-	return 0;
-}
diff --git a/arch/arm/mach-shmobile/cpufreq.c b/arch/arm/mach-shmobile/cpufreq.c
index 8a24b2be46ae..57fbff024dcd 100644
--- a/arch/arm/mach-shmobile/cpufreq.c
+++ b/arch/arm/mach-shmobile/cpufreq.c
@@ -12,6 +12,6 @@
 
 int __init shmobile_cpufreq_init(void)
 {
-	platform_device_register_simple("cpufreq-cpu0", -1, NULL, 0);
+	platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
 	return 0;
 }
diff --git a/arch/arm/mach-shmobile/pm-r8a7779.c b/arch/arm/mach-shmobile/pm-r8a7779.c
index 69f70b7f7fb2..82fe3d7f9662 100644
--- a/arch/arm/mach-shmobile/pm-r8a7779.c
+++ b/arch/arm/mach-shmobile/pm-r8a7779.c
@@ -87,7 +87,6 @@ static void r8a7779_init_pm_domain(struct r8a7779_pm_domain *r8a7779_pd)
 	genpd->dev_ops.stop = pm_clk_suspend;
 	genpd->dev_ops.start = pm_clk_resume;
 	genpd->dev_ops.active_wakeup = pd_active_wakeup;
-	genpd->dev_irq_safe = true;
 	genpd->power_off = pd_power_down;
 	genpd->power_on = pd_power_up;
 
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
index a88079af7914..717e6413d29c 100644
--- a/arch/arm/mach-shmobile/pm-rmobile.c
+++ b/arch/arm/mach-shmobile/pm-rmobile.c
@@ -110,7 +110,6 @@ static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
 	genpd->dev_ops.stop		= pm_clk_suspend;
 	genpd->dev_ops.start		= pm_clk_resume;
 	genpd->dev_ops.active_wakeup	= rmobile_pd_active_wakeup;
-	genpd->dev_irq_safe		= true;
 	genpd->power_off		= rmobile_pd_power_down;
 	genpd->power_on			= rmobile_pd_power_up;
 	__rmobile_pd_power_up(rmobile_pd, false);
diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 613c476872eb..26f92c28d22b 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -110,7 +110,7 @@ static void __init zynq_init_late(void)
  */
 static void __init zynq_init_machine(void)
 {
-	struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+	struct platform_device_info devinfo = { .name = "cpufreq-dt", };
 	struct soc_device_attribute *soc_dev_attr;
 	struct soc_device *soc_dev;
 	struct device *parent = NULL;