Merge tag 'pm-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates for 3.4 from Rafael Wysocki:
 "Assorted extensions and fixes including:

  * Introduction of early/late suspend/hibernation device callbacks.
  * Generic PM domains extensions and fixes.
  * devfreq updates from Axel Lin and MyungJoo Ham.
  * Device PM QoS updates.
  * Fixes of concurrency problems with wakeup sources.
  * System suspend and hibernation fixes."

* tag 'pm-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (43 commits)
  PM / Domains: Check domain status during hibernation restore of devices
  PM / devfreq: add relation of recommended frequency.
  PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
  PM / shmobile: Make CMT driver use pm_genpd_dev_always_on()
  PM / shmobile: Make TMU driver use pm_genpd_dev_always_on()
  PM / Domains: Introduce "always on" device flag
  PM / Domains: Fix hibernation restore of devices, v2
  PM / Domains: Fix handling of wakeup devices during system resume
  sh_mmcif / PM: Use PM QoS latency constraint
  tmio_mmc / PM: Use PM QoS latency constraint
  PM / QoS: Make it possible to expose PM QoS latency constraints
  PM / Sleep: JBD and JBD2 missing set_freezable()
  PM / Domains: Fix include for PM_GENERIC_DOMAINS=n case
  PM / Freezer: Remove references to TIF_FREEZE in comments
  PM / Sleep: Add more wakeup source initialization routines
  PM / Hibernate: Enable usermodehelpers in hibernate() error path
  PM / Sleep: Make __pm_stay_awake() delete wakeup source timers
  PM / Sleep: Fix race conditions related to wakeup source timer function
  PM / Sleep: Fix possible infinite loop during wakeup source destruction
  PM / Hibernate: print physical addresses consistently with other parts of kernel
  ...

1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
index 6460577d6701..1a361e99965a 100644
--- a/drivers/devfreq/exynos4_bus.c
+++ b/drivers/devfreq/exynos4_bus.c
@@ -619,15 +619,19 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
 	return err;
 }
 
-static int exynos4_bus_target(struct device *dev, unsigned long *_freq)
+static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
+			      u32 flags)
 {
 	int err = 0;
 	struct platform_device *pdev = container_of(dev, struct platform_device,
 						    dev);
 	struct busfreq_data *data = platform_get_drvdata(pdev);
-	struct opp *opp = devfreq_recommended_opp(dev, _freq);
-	unsigned long old_freq = opp_get_freq(data->curr_opp);
+	struct opp *opp = devfreq_recommended_opp(dev, _freq, flags);
 	unsigned long freq = opp_get_freq(opp);
+	unsigned long old_freq = opp_get_freq(data->curr_opp);
+
+	if (IS_ERR(opp))
+		return PTR_ERR(opp);
 
 	if (old_freq == freq)
 		return 0;
@@ -689,9 +693,7 @@ static int exynos4_get_busier_dmc(struct busfreq_data *data)
 static int exynos4_bus_get_dev_status(struct device *dev,
 				      struct devfreq_dev_status *stat)
 {
-	struct platform_device *pdev = container_of(dev, struct platform_device,
-						    dev);
-	struct busfreq_data *data = platform_get_drvdata(pdev);
+	struct busfreq_data *data = dev_get_drvdata(dev);
 	int busier_dmc;
 	int cycles_x2 = 2; /* 2 x cycles */
 	void __iomem *addr;
@@ -739,9 +741,7 @@ static int exynos4_bus_get_dev_status(struct device *dev,
 
 static void exynos4_bus_exit(struct device *dev)
 {
-	struct platform_device *pdev = container_of(dev, struct platform_device,
-						    dev);
-	struct busfreq_data *data = platform_get_drvdata(pdev);
+	struct busfreq_data *data = dev_get_drvdata(dev);
 
 	devfreq_unregister_opp_notifier(dev, data->devfreq);
 }
@@ -1087,9 +1087,7 @@ static __devexit int exynos4_busfreq_remove(struct platform_device *pdev)
 
 static int exynos4_busfreq_resume(struct device *dev)
 {
-	struct platform_device *pdev = container_of(dev, struct platform_device,
-						    dev);
-	struct busfreq_data *data = platform_get_drvdata(pdev);
+	struct busfreq_data *data = dev_get_drvdata(dev);
 
 	busfreq_mon_reset(data);
 	return 0;
@@ -1132,4 +1130,3 @@ module_exit(exynos4_busfreq_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("EXYNOS4 busfreq driver with devfreq framework");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
-MODULE_ALIAS("exynos4-busfreq");