Merge tag 'pm-for-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:

 - ACPI conversion to PM handling based on struct dev_pm_ops.
 - Conversion of a number of platform drivers to PM handling based on
   struct dev_pm_ops and removal of empty legacy PM callbacks from a
   couple of PCI drivers.
 - Suspend-to-both for in-kernel hibernation from Bojan Smojver.
 - cpuidle fixes and cleanups from ShuoX Liu, Daniel Lezcano and Preeti
   Murthy.
 - cpufreq bug fixes from Jonghwa Lee and Stephen Boyd.
 - Suspend and hibernate fixes from Srivatsa Bhat and Colin Cross.
 - Generic PM domains framework updates.
 - RTC CMOS wakeup signaling update from Paul Fox.
 - sparse warnings fixes from Sachin Kamat.
 - Build warnings fixes for the generic PM domains framework and PM
   sysfs code.
 - sysfs switch for printing device suspend times from Sameer Nanda.
 - Documentation fix from Oskar Schirmer.

* tag 'pm-for-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (70 commits)
  cpufreq: Fix sysfs deadlock with concurrent hotplug/frequency switch
  EXYNOS: bugfix on retrieving old_index from freqs.old
  PM / Sleep: call early resume handlers when suspend_noirq fails
  PM / QoS: Use NULL pointer instead of plain integer in qos.c
  PM / QoS: Use NULL pointer instead of plain integer in pm_qos.h
  PM / Sleep: Require CAP_BLOCK_SUSPEND to use wake_lock/wake_unlock
  PM / Sleep: Add missing static storage class specifiers in main.c
  cpuilde / ACPI: remove time from acpi_processor_cx structure
  cpuidle / ACPI: remove usage from acpi_processor_cx structure
  cpuidle / ACPI : remove latency_ticks from acpi_processor_cx structure
  rtc-cmos: report wakeups from interrupt handler
  PM / Sleep: Fix build warning in sysfs.c for CONFIG_PM_SLEEP unset
  PM / Domains: Fix build warning for CONFIG_PM_RUNTIME unset
  olpc-xo15-sci: Use struct dev_pm_ops for power management
  PM / Domains: Replace plain integer with NULL pointer in domain.c file
  PM / Domains: Add missing static storage class specifier in domain.c file
  PM / crypto / ux500: Use struct dev_pm_ops for power management
  PM / IPMI: Remove empty legacy PCI PM callbacks
  tpm_nsc: Use struct dev_pm_ops for power management
  tpm_tis: Use struct dev_pm_ops for power management
  ...

48 files changed, 665 insertions, 424 deletions

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 6512b20aecc..ff9f6bd4830 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -61,7 +61,6 @@ static int acpi_ac_open_fs(struct inode *inode, struct file *file);
 
 static int acpi_ac_add(struct acpi_device *device);
 static int acpi_ac_remove(struct acpi_device *device, int type);
-static int acpi_ac_resume(struct acpi_device *device);
 static void acpi_ac_notify(struct acpi_device *device, u32 event);
 
 static const struct acpi_device_id ac_device_ids[] = {
@@ -70,6 +69,9 @@ static const struct acpi_device_id ac_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, ac_device_ids);
 
+static int acpi_ac_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+
 static struct acpi_driver acpi_ac_driver = {
 	.name = "ac",
 	.class = ACPI_AC_CLASS,
@@ -78,9 +80,9 @@ static struct acpi_driver acpi_ac_driver = {
 	.ops = {
 		.add = acpi_ac_add,
 		.remove = acpi_ac_remove,
-		.resume = acpi_ac_resume,
 		.notify = acpi_ac_notify,
 		},
+	.drv.pm = &acpi_ac_pm,
 };
 
 struct acpi_ac {
@@ -309,13 +311,18 @@ static int acpi_ac_add(struct acpi_device *device)
 	return result;
 }
 
-static int acpi_ac_resume(struct acpi_device *device)
+static int acpi_ac_resume(struct device *dev)
 {
 	struct acpi_ac *ac;
 	unsigned old_state;
-	if (!device || !acpi_driver_data(device))
+
+	if (!dev)
 		return -EINVAL;
-	ac = acpi_driver_data(device);
+
+	ac = acpi_driver_data(to_acpi_device(dev));
+	if (!ac)
+		return -EINVAL;
+
 	old_state = ac->state;
 	if (acpi_ac_get_state(ac))
 		return 0;
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 7dd3f9fb9f3..023f9c8534d 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1044,17 +1044,24 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
 }
 
 /* this is needed to learn about changes made in suspended state */
-static int acpi_battery_resume(struct acpi_device *device)
+static int acpi_battery_resume(struct device *dev)
 {
 	struct acpi_battery *battery;
-	if (!device)
+
+	if (!dev)
 		return -EINVAL;
-	battery = acpi_driver_data(device);
+
+	battery = acpi_driver_data(to_acpi_device(dev));
+	if (!battery)
+		return -EINVAL;
+
 	battery->update_time = 0;
 	acpi_battery_update(battery);
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume);
+
 static struct acpi_driver acpi_battery_driver = {
 	.name = "battery",
 	.class = ACPI_BATTERY_CLASS,
@@ -1062,10 +1069,10 @@ static struct acpi_driver acpi_battery_driver = {
 	.flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
 	.ops = {
 		.add = acpi_battery_add,
-		.resume = acpi_battery_resume,
 		.remove = acpi_battery_remove,
 		.notify = acpi_battery_notify,
 		},
+	.drv.pm = &acpi_battery_pm,
 };
 
 static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index d27d072472f..79d4c22f7a6 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -76,19 +76,21 @@ MODULE_DEVICE_TABLE(acpi, button_device_ids);
 
 static int acpi_button_add(struct acpi_device *device);
 static int acpi_button_remove(struct acpi_device *device, int type);
-static int acpi_button_resume(struct acpi_device *device);
 static void acpi_button_notify(struct acpi_device *device, u32 event);
 
+static int acpi_button_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_button_pm, NULL, acpi_button_resume);
+
 static struct acpi_driver acpi_button_driver = {
 	.name = "button",
 	.class = ACPI_BUTTON_CLASS,
 	.ids = button_device_ids,
 	.ops = {
 		.add = acpi_button_add,
-		.resume = acpi_button_resume,
 		.remove = acpi_button_remove,
 		.notify = acpi_button_notify,
 	},
+	.drv.pm = &acpi_button_pm,
 };
 
 struct acpi_button {
@@ -308,8 +310,9 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
 	}
 }
 
-static int acpi_button_resume(struct acpi_device *device)
+static int acpi_button_resume(struct device *dev)
 {
+	struct acpi_device *device = to_acpi_device(dev);
 	struct acpi_button *button = acpi_driver_data(device);
 
 	if (button->type == ACPI_BUTTON_TYPE_LID)
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 0f0356ca1a9..669d9ee80d1 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -46,8 +46,6 @@ MODULE_LICENSE("GPL");
 
 static int acpi_fan_add(struct acpi_device *device);
 static int acpi_fan_remove(struct acpi_device *device, int type);
-static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state);
-static int acpi_fan_resume(struct acpi_device *device);
 
 static const struct acpi_device_id fan_device_ids[] = {
 	{"PNP0C0B", 0},
@@ -55,6 +53,10 @@ static const struct acpi_device_id fan_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, fan_device_ids);
 
+static int acpi_fan_suspend(struct device *dev);
+static int acpi_fan_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume);
+
 static struct acpi_driver acpi_fan_driver = {
 	.name = "fan",
 	.class = ACPI_FAN_CLASS,
@@ -62,9 +64,8 @@ static struct acpi_driver acpi_fan_driver = {
 	.ops = {
 		.add = acpi_fan_add,
 		.remove = acpi_fan_remove,
-		.suspend = acpi_fan_suspend,
-		.resume = acpi_fan_resume,
 		},
+	.drv.pm = &acpi_fan_pm,
 };
 
 /* thermal cooling device callbacks */
@@ -183,24 +184,24 @@ static int acpi_fan_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state)
+static int acpi_fan_suspend(struct device *dev)
 {
-	if (!device)
+	if (!dev)
 		return -EINVAL;
 
-	acpi_bus_set_power(device->handle, ACPI_STATE_D0);
+	acpi_bus_set_power(to_acpi_device(dev)->handle, ACPI_STATE_D0);
 
 	return AE_OK;
 }
 
-static int acpi_fan_resume(struct acpi_device *device)
+static int acpi_fan_resume(struct device *dev)
 {
 	int result;
 
-	if (!device)
+	if (!dev)
 		return -EINVAL;
 
-	result = acpi_bus_update_power(device->handle, NULL);
+	result = acpi_bus_update_power(to_acpi_device(dev)->handle, NULL);
 	if (result)
 		printk(KERN_ERR PREFIX "Error updating fan power state\n");
 
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index dd6d6a3c678..894d45c6bc6 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -60,7 +60,6 @@ ACPI_MODULE_NAME("power");
 
 static int acpi_power_add(struct acpi_device *device);
 static int acpi_power_remove(struct acpi_device *device, int type);
-static int acpi_power_resume(struct acpi_device *device);
 
 static const struct acpi_device_id power_device_ids[] = {
 	{ACPI_POWER_HID, 0},
@@ -68,6 +67,9 @@ static const struct acpi_device_id power_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, power_device_ids);
 
+static int acpi_power_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_power_pm, NULL, acpi_power_resume);
+
 static struct acpi_driver acpi_power_driver = {
 	.name = "power",
 	.class = ACPI_POWER_CLASS,
@@ -75,8 +77,8 @@ static struct acpi_driver acpi_power_driver = {
 	.ops = {
 		.add = acpi_power_add,
 		.remove = acpi_power_remove,
-		.resume = acpi_power_resume,
 		},
+	.drv.pm = &acpi_power_pm,
 };
 
 /*
@@ -771,14 +773,16 @@ static int acpi_power_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static int acpi_power_resume(struct acpi_device *device)
+static int acpi_power_resume(struct device *dev)
 {
 	int result = 0, state;
+	struct acpi_device *device;
 	struct acpi_power_resource *resource;
 
-	if (!device)
+	if (!dev)
 		return -EINVAL;
 
+	device = to_acpi_device(dev);
 	resource = acpi_driver_data(device);
 	if (!resource)
 		return -EINVAL;
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 0734086537b..7048b97853e 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -93,6 +93,9 @@ static const struct acpi_device_id processor_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, processor_device_ids);
 
+static SIMPLE_DEV_PM_OPS(acpi_processor_pm,
+			 acpi_processor_suspend, acpi_processor_resume);
+
 static struct acpi_driver acpi_processor_driver = {
 	.name = "processor",
 	.class = ACPI_PROCESSOR_CLASS,
@@ -100,10 +103,9 @@ static struct acpi_driver acpi_processor_driver = {
 	.ops = {
 		.add = acpi_processor_add,
 		.remove = acpi_processor_remove,
-		.suspend = acpi_processor_suspend,
-		.resume = acpi_processor_resume,
 		.notify = acpi_processor_notify,
 		},
+	.drv.pm = &acpi_processor_pm,
 };
 
 #define INSTALL_NOTIFY_HANDLER		1
@@ -427,18 +429,11 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb,
 		 * Initialize missing things
 		 */
 		if (pr->flags.need_hotplug_init) {
-			struct cpuidle_driver *idle_driver =
-				cpuidle_get_driver();
-
 			printk(KERN_INFO "Will online and init hotplugged "
 			       "CPU: %d\n", pr->id);
 			WARN(acpi_processor_start(pr), "Failed to start CPU:"
 				" %d\n", pr->id);
 			pr->flags.need_hotplug_init = 0;
-			if (idle_driver && !strcmp(idle_driver->name,
-						   "intel_idle")) {
-				intel_idle_cpu_init(pr->id);
-			}
 		/* Normal CPU soft online event */
 		} else {
 			acpi_processor_ppc_has_changed(pr, 0);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 47a8caa89db..e589c198524 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -221,10 +221,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
 
 #endif
 
-/*
- * Suspend / resume control
- */
-static int acpi_idle_suspend;
 static u32 saved_bm_rld;
 
 static void acpi_idle_bm_rld_save(void)
@@ -241,23 +237,15 @@ static void acpi_idle_bm_rld_restore(void)
 		acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld);
 }
 
-int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
+int acpi_processor_suspend(struct device *dev)
 {
-	if (acpi_idle_suspend == 1)
-		return 0;
-
 	acpi_idle_bm_rld_save();
-	acpi_idle_suspend = 1;
 	return 0;
 }
 
-int acpi_processor_resume(struct acpi_device * device)
+int acpi_processor_resume(struct device *dev)
 {
-	if (acpi_idle_suspend == 0)
-		return 0;
-
 	acpi_idle_bm_rld_restore();
-	acpi_idle_suspend = 0;
 	return 0;
 }
 
@@ -595,7 +583,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
 	 */
 	cx->valid = 1;
 
-	cx->latency_ticks = cx->latency;
 	/*
 	 * On older chipsets, BM_RLD needs to be set
 	 * in order for Bus Master activity to wake the
@@ -628,7 +615,6 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
 			if (!cx->address)
 				break;
 			cx->valid = 1; 
-			cx->latency_ticks = cx->latency; /* Normalize latency */
 			break;
 
 		case ACPI_STATE_C3:
@@ -763,11 +749,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 
 	local_irq_disable();
 
-	if (acpi_idle_suspend) {
-		local_irq_enable();
-		cpu_relax();
-		return -EBUSY;
-	}
 
 	lapic_timer_state_broadcast(pr, cx, 1);
 	kt1 = ktime_get_real();
@@ -779,7 +760,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 	dev->last_residency = (int)idle_time;
 
 	local_irq_enable();
-	cx->usage++;
 	lapic_timer_state_broadcast(pr, cx, 0);
 
 	return index;
@@ -838,11 +818,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 
 	local_irq_disable();
 
-	if (acpi_idle_suspend) {
-		local_irq_enable();
-		cpu_relax();
-		return -EBUSY;
-	}
 
 	if (cx->entry_method != ACPI_CSTATE_FFH) {
 		current_thread_info()->status &= ~TS_POLLING;
@@ -887,10 +862,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	if (cx->entry_method != ACPI_CSTATE_FFH)
 		current_thread_info()->status |= TS_POLLING;
 
-	cx->usage++;
-
 	lapic_timer_state_broadcast(pr, cx, 0);
-	cx->time += idle_time;
 	return index;
 }
 
@@ -928,8 +900,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 						drv, drv->safe_state_index);
 		} else {
 			local_irq_disable();
-			if (!acpi_idle_suspend)
-				acpi_safe_halt();
+			acpi_safe_halt();
 			local_irq_enable();
 			return -EBUSY;
 		}
@@ -937,11 +908,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 
 	local_irq_disable();
 
-	if (acpi_idle_suspend) {
-		local_irq_enable();
-		cpu_relax();
-		return -EBUSY;
-	}
 
 	if (cx->entry_method != ACPI_CSTATE_FFH) {
 		current_thread_info()->status &= ~TS_POLLING;
@@ -1014,10 +980,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	if (cx->entry_method != ACPI_CSTATE_FFH)
 		current_thread_info()->status |= TS_POLLING;
 
-	cx->usage++;
-
 	lapic_timer_state_broadcast(pr, cx, 0);
-	cx->time += idle_time;
 	return index;
 }
 
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 6e36d0c0057..c0b9aa5faf4 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -988,16 +988,18 @@ static void acpi_sbs_rmdirs(void)
 #endif
 }
 
-static int acpi_sbs_resume(struct acpi_device *device)
+static int acpi_sbs_resume(struct device *dev)
 {
 	struct acpi_sbs *sbs;
-	if (!device)
+	if (!dev)
 		return -EINVAL;
-	sbs = device->driver_data;
+	sbs = to_acpi_device(dev)->driver_data;
 	acpi_sbs_callback(sbs);
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume);
+
 static struct acpi_driver acpi_sbs_driver = {
 	.name = "sbs",
 	.class = ACPI_SBS_CLASS,
@@ -1005,8 +1007,8 @@ static struct acpi_driver acpi_sbs_driver = {
 	.ops = {
 		.add = acpi_sbs_add,
 		.remove = acpi_sbs_remove,
-		.resume = acpi_sbs_resume,
 		},
+	.drv.pm = &acpi_sbs_pm,
 };
 
 static int __init acpi_sbs_init(void)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c8a1f3b6811..fdda4933656 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -290,26 +290,6 @@ static void acpi_device_release(struct device *dev)
 	kfree(acpi_dev);
 }
 
-static int acpi_device_suspend(struct device *dev, pm_message_t state)
-{
-	struct acpi_device *acpi_dev = to_acpi_device(dev);
-	struct acpi_driver *acpi_drv = acpi_dev->driver;
-
-	if (acpi_drv && acpi_drv->ops.suspend)
-		return acpi_drv->ops.suspend(acpi_dev, state);
-	return 0;
-}
-
-static int acpi_device_resume(struct device *dev)
-{
-	struct acpi_device *acpi_dev = to_acpi_device(dev);
-	struct acpi_driver *acpi_drv = acpi_dev->driver;
-
-	if (acpi_drv && acpi_drv->ops.resume)
-		return acpi_drv->ops.resume(acpi_dev);
-	return 0;
-}
-
 static int acpi_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
@@ -441,8 +421,6 @@ static int acpi_device_remove(struct device * dev)
 
 struct bus_type acpi_bus_type = {
 	.name		= "acpi",
-	.suspend	= acpi_device_suspend,
-	.resume		= acpi_device_resume,
 	.match		= acpi_bus_match,
 	.probe		= acpi_device_probe,
 	.remove		= acpi_device_remove,
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 7dbebea1ec3..21dd4c268ae 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -98,7 +98,6 @@ MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
 
 static int acpi_thermal_add(struct acpi_device *device);
 static int acpi_thermal_remove(struct acpi_device *device, int type);
-static int acpi_thermal_resume(struct acpi_device *device);
 static void acpi_thermal_notify(struct acpi_device *device, u32 event);
 
 static const struct acpi_device_id  thermal_device_ids[] = {
@@ -107,6 +106,9 @@ static const struct acpi_device_id  thermal_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, thermal_device_ids);
 
+static int acpi_thermal_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_thermal_pm, NULL, acpi_thermal_resume);
+
 static struct acpi_driver acpi_thermal_driver = {
 	.name = "thermal",
 	.class = ACPI_THERMAL_CLASS,
@@ -114,9 +116,9 @@ static struct acpi_driver acpi_thermal_driver = {
 	.ops = {
 		.add = acpi_thermal_add,
 		.remove = acpi_thermal_remove,
-		.resume = acpi_thermal_resume,
 		.notify = acpi_thermal_notify,
 		},
+	.drv.pm = &acpi_thermal_pm,
 };
 
 struct acpi_thermal_state {
@@ -1041,16 +1043,17 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static int acpi_thermal_resume(struct acpi_device *device)
+static int acpi_thermal_resume(struct device *dev)
 {
-	struct acpi_thermal *tz = NULL;
+	struct acpi_thermal *tz;
 	int i, j, power_state, result;
 
-
-	if (!device || !acpi_driver_data(device))
+	if (!dev)
 		return -EINVAL;
 
-	tz = acpi_driver_data(device);
+	tz = acpi_driver_data(to_acpi_device(dev));
+	if (!tz)
+		return -EINVAL;
 
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 		if (!(&tz->trips.active[i]))
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 83aa694a8ef..ba3487c9835 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -75,19 +75,6 @@ static int genpd_start_dev(struct generic_pm_domain *genpd, struct device *dev)
 					start_latency_ns, "start");
 }
 
-static int genpd_save_dev(struct generic_pm_domain *genpd, struct device *dev)
-{
-	return GENPD_DEV_TIMED_CALLBACK(genpd, int, save_state, dev,
-					save_state_latency_ns, "state save");
-}
-
-static int genpd_restore_dev(struct generic_pm_domain *genpd, struct device *dev)
-{
-	return GENPD_DEV_TIMED_CALLBACK(genpd, int, restore_state, dev,
-					restore_state_latency_ns,
-					"state restore");
-}
-
 static bool genpd_sd_counter_dec(struct generic_pm_domain *genpd)
 {
 	bool ret = false;
@@ -139,6 +126,19 @@ static void genpd_set_active(struct generic_pm_domain *genpd)
 		genpd->status = GPD_STATE_ACTIVE;
 }
 
+static void genpd_recalc_cpu_exit_latency(struct generic_pm_domain *genpd)
+{
+	s64 usecs64;
+
+	if (!genpd->cpu_data)
+		return;
+
+	usecs64 = genpd->power_on_latency_ns;
+	do_div(usecs64, NSEC_PER_USEC);
+	usecs64 += genpd->cpu_data->saved_exit_latency;
+	genpd->cpu_data->idle_state->exit_latency = usecs64;
+}
+
 /**
  * __pm_genpd_poweron - Restore power to a given PM domain and its masters.
  * @genpd: PM domain to power up.
@@ -146,7 +146,7 @@ static void genpd_set_active(struct generic_pm_domain *genpd)
  * Restore power to @genpd and all of its masters so that it is possible to
  * resume a device belonging to it.
  */
-int __pm_genpd_poweron(struct generic_pm_domain *genpd)
+static int __pm_genpd_poweron(struct generic_pm_domain *genpd)
 	__releases(&genpd->lock) __acquires(&genpd->lock)
 {
 	struct gpd_link *link;
@@ -176,6 +176,13 @@ int __pm_genpd_poweron(struct generic_pm_domain *genpd)
 		return 0;
 	}
 
+	if (genpd->cpu_data) {
+		cpuidle_pause_and_lock();
+		genpd->cpu_data->idle_state->disabled = true;
+		cpuidle_resume_and_unlock();
+		goto out;
+	}
+
 	/*
 	 * The list is guaranteed not to change while the loop below is being
 	 * executed, unless one of the masters' .power_on() callbacks fiddles
@@ -215,6 +222,7 @@ int __pm_genpd_poweron(struct generic_pm_domain *genpd)
 		if (elapsed_ns > genpd->power_on_latency_ns) {
 			genpd->power_on_latency_ns = elapsed_ns;
 			genpd->max_off_time_changed = true;
+			genpd_recalc_cpu_exit_latency(genpd);
 			if (genpd->name)
 				pr_warning("%s: Power-on latency exceeded, "
 					"new value %lld ns\n", genpd->name,
@@ -222,6 +230,7 @@ int __pm_genpd_poweron(struct generic_pm_domain *genpd)
 		}
 	}
 
+ out:
 	genpd_set_active(genpd);
 
 	return 0;
@@ -251,6 +260,19 @@ int pm_genpd_poweron(struct generic_pm_domain *genpd)
 
 #ifdef CONFIG_PM_RUNTIME
 
+static int genpd_save_dev(struct generic_pm_domain *genpd, struct device *dev)
+{
+	return GENPD_DEV_TIMED_CALLBACK(genpd, int, save_state, dev,
+					save_state_latency_ns, "state save");
+}
+
+static int genpd_restore_dev(struct generic_pm_domain *genpd, struct device *dev)
+{
+	return GENPD_DEV_TIMED_CALLBACK(genpd, int, restore_state, dev,
+					restore_state_latency_ns,
+					"state restore");
+}
+
 static int genpd_dev_pm_qos_notifier(struct notifier_block *nb,
 				     unsigned long val