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

* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (63 commits)
  PM / Clocks: Remove redundant NULL checks before kfree()
  PM / Documentation: Update docs about suspend and CPU hotplug
  ACPI / PM: Add Sony VGN-FW21E to nonvs blacklist.
  ARM: mach-shmobile: sh7372 A4R support (v4)
  ARM: mach-shmobile: sh7372 A3SP support (v4)
  PM / Sleep: Mark devices involved in wakeup signaling during suspend
  PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
  PM / Hibernate: Do not initialize static and extern variables to 0
  PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too
  PM / Hibernate: Add resumedelay kernel param in addition to resumewait
  MAINTAINERS: Update linux-pm list address
  PM / ACPI: Blacklist Vaio VGN-FW520F machine known to require acpi_sleep=nonvs
  PM / ACPI: Blacklist Sony Vaio known to require acpi_sleep=nonvs
  PM / Hibernate: Add resumewait param to support MMC-like devices as resume file
  PM / Hibernate: Fix typo in a kerneldoc comment
  PM / Hibernate: Freeze kernel threads after preallocating memory
  PM: Update the policy on default wakeup settings
  PM / VT: Cleanup #if defined uglyness and fix compile error
  PM / Suspend: Off by one in pm_suspend()
  PM / Hibernate: Include storage keys in hibernation image on s390
  ...

14 files changed, 723 insertions, 96 deletions

diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
new file mode 100644
index 000000000000..afb94583960c
--- /dev/null
+++ b/include/linux/devfreq.h
@@ -0,0 +1,238 @@
+/*
+ * devfreq: Generic Dynamic Voltage and Frequency Scaling (DVFS) Framework
+ *	    for Non-CPU Devices.
+ *
+ * Copyright (C) 2011 Samsung Electronics
+ *	MyungJoo Ham <myungjoo.ham@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_DEVFREQ_H__
+#define __LINUX_DEVFREQ_H__
+
+#include <linux/device.h>
+#include <linux/notifier.h>
+#include <linux/opp.h>
+
+#define DEVFREQ_NAME_LEN 16
+
+struct devfreq;
+
+/**
+ * struct devfreq_dev_status - Data given from devfreq user device to
+ *			     governors. Represents the performance
+ *			     statistics.
+ * @total_time		The total time represented by this instance of
+ *			devfreq_dev_status
+ * @busy_time		The time that the device was working among the
+ *			total_time.
+ * @current_frequency	The operating frequency.
+ * @private_data	An entry not specified by the devfreq framework.
+ *			A device and a specific governor may have their
+ *			own protocol with private_data. However, because
+ *			this is governor-specific, a governor using this
+ *			will be only compatible with devices aware of it.
+ */
+struct devfreq_dev_status {
+	/* both since the last measure */
+	unsigned long total_time;
+	unsigned long busy_time;
+	unsigned long current_frequency;
+	void *private_date;
+};
+
+/**
+ * struct devfreq_dev_profile - Devfreq's user device profile
+ * @initial_freq	The operating frequency when devfreq_add_device() is
+ *			called.
+ * @polling_ms		The polling interval in ms. 0 disables polling.
+ * @target		The device should set its operating frequency at
+ *			freq or lowest-upper-than-freq value. If freq is
+ *			higher than any operable frequency, set maximum.
+ *			Before returning, target function should set
+ *			freq at the current frequency.
+ * @get_dev_status	The device should provide the current performance
+ *			status to devfreq, which is used by governors.
+ * @exit		An optional callback that is called when devfreq
+ *			is removing the devfreq object due to error or
+ *			from devfreq_remove_device() call. If the user
+ *			has registered devfreq->nb at a notifier-head,
+ *			this is the time to unregister it.
+ */
+struct devfreq_dev_profile {
+	unsigned long initial_freq;
+	unsigned int polling_ms;
+
+	int (*target)(struct device *dev, unsigned long *freq);
+	int (*get_dev_status)(struct device *dev,
+			      struct devfreq_dev_status *stat);
+	void (*exit)(struct device *dev);
+};
+
+/**
+ * struct devfreq_governor - Devfreq policy governor
+ * @name		Governor's name
+ * @get_target_freq	Returns desired operating frequency for the device.
+ *			Basically, get_target_freq will run
+ *			devfreq_dev_profile.get_dev_status() to get the
+ *			status of the device (load = busy_time / total_time).
+ *			If no_central_polling is set, this callback is called
+ *			only with update_devfreq() notified by OPP.
+ * @init		Called when the devfreq is being attached to a device
+ * @exit		Called when the devfreq is being removed from a
+ *			device. Governor should stop any internal routines
+ *			before return because related data may be
+ *			freed after exit().
+ * @no_central_polling	Do not use devfreq's central polling mechanism.
+ *			When this is set, devfreq will not call
+ *			get_target_freq with devfreq_monitor(). However,
+ *			devfreq will call get_target_freq with
+ *			devfreq_update() notified by OPP framework.
+ *
+ * Note that the callbacks are called with devfreq->lock locked by devfreq.
+ */
+struct devfreq_governor {
+	const char name[DEVFREQ_NAME_LEN];
+	int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
+	int (*init)(struct devfreq *this);
+	void (*exit)(struct devfreq *this);
+	const bool no_central_polling;
+};
+
+/**
+ * struct devfreq - Device devfreq structure
+ * @node	list node - contains the devices with devfreq that have been
+ *		registered.
+ * @lock	a mutex to protect accessing devfreq.
+ * @dev		device registered by devfreq class. dev.parent is the device
+ *		using devfreq.
+ * @profile	device-specific devfreq profile
+ * @governor	method how to choose frequency based on the usage.
+ * @nb		notifier block used to notify devfreq object that it should
+ *		reevaluate operable frequencies. Devfreq users may use
+ *		devfreq.nb to the corresponding register notifier call chain.
+ * @polling_jiffies	interval in jiffies.
+ * @previous_freq	previously configured frequency value.
+ * @next_polling	the number of remaining jiffies to poll with
+ *			"devfreq_monitor" executions to reevaluate
+ *			frequency/voltage of the device. Set by
+ *			profile's polling_ms interval.
+ * @data	Private data of the governor. The devfreq framework does not
+ *		touch this.
+ * @being_removed	a flag to mark that this object is being removed in
+ *			order to prevent trying to remove the object multiple times.
+ *
+ * This structure stores the devfreq information for a give device.
+ *
+ * Note that when a governor accesses entries in struct devfreq in its
+ * functions except for the context of callbacks defined in struct
+ * devfreq_governor, the governor should protect its access with the
+ * struct mutex lock in struct devfreq. A governor may use this mutex
+ * to protect its own private data in void *data as well.
+ */
+struct devfreq {
+	struct list_head node;
+
+	struct mutex lock;
+	struct device dev;
+	struct devfreq_dev_profile *profile;
+	const struct devfreq_governor *governor;
+	struct notifier_block nb;
+
+	unsigned long polling_jiffies;
+	unsigned long previous_freq;
+	unsigned int next_polling;
+
+	void *data; /* private data for governors */
+
+	bool being_removed;
+};
+
+#if defined(CONFIG_PM_DEVFREQ)
+extern struct devfreq *devfreq_add_device(struct device *dev,
+				  struct devfreq_dev_profile *profile,
+				  const struct devfreq_governor *governor,
+				  void *data);
+extern int devfreq_remove_device(struct devfreq *devfreq);
+
+/* Helper functions for devfreq user device driver with OPP. */
+extern struct opp *devfreq_recommended_opp(struct device *dev,
+					   unsigned long *freq);
+extern int devfreq_register_opp_notifier(struct device *dev,
+					 struct devfreq *devfreq);
+extern int devfreq_unregister_opp_notifier(struct device *dev,
+					   struct devfreq *devfreq);
+
+#ifdef CONFIG_DEVFREQ_GOV_POWERSAVE
+extern const struct devfreq_governor devfreq_powersave;
+#endif
+#ifdef CONFIG_DEVFREQ_GOV_PERFORMANCE
+extern const struct devfreq_governor devfreq_performance;
+#endif
+#ifdef CONFIG_DEVFREQ_GOV_USERSPACE
+extern const struct devfreq_governor devfreq_userspace;
+#endif
+#ifdef CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND
+extern const struct devfreq_governor devfreq_simple_ondemand;
+/**
+ * struct devfreq_simple_ondemand_data - void *data fed to struct devfreq
+ *	and devfreq_add_device
+ * @ upthreshold	If the load is over this value, the frequency jumps.
+ *			Specify 0 to use the default. Valid value = 0 to 100.
+ * @ downdifferential	If the load is under upthreshold - downdifferential,
+ *			the governor may consider slowing the frequency down.
+ *			Specify 0 to use the default. Valid value = 0 to 100.
+ *			downdifferential < upthreshold must hold.
+ *
+ * If the fed devfreq_simple_ondemand_data pointer is NULL to the governor,
+ * the governor uses the default values.
+ */
+struct devfreq_simple_ondemand_data {
+	unsigned int upthreshold;
+	unsigned int downdifferential;
+};
+#endif
+
+#else /* !CONFIG_PM_DEVFREQ */
+static struct devfreq *devfreq_add_device(struct device *dev,
+					  struct devfreq_dev_profile *profile,
+					  struct devfreq_governor *governor,
+					  void *data);
+{
+	return NULL;
+}
+
+static int devfreq_remove_device(struct devfreq *devfreq);
+{
+	return 0;
+}
+
+static struct opp *devfreq_recommended_opp(struct device *dev,
+					   unsigned long *freq)
+{
+	return -EINVAL;
+}
+
+static int devfreq_register_opp_notifier(struct device *dev,
+					 struct devfreq *devfreq)
+{
+	return -EINVAL;
+}
+
+static int devfreq_unregister_opp_notifier(struct device *dev,
+					   struct devfreq *devfreq)
+{
+	return -EINVAL;
+}
+
+#define devfreq_powersave	NULL
+#define devfreq_performance	NULL
+#define devfreq_userspace	NULL
+#define devfreq_simple_ondemand	NULL
+
+#endif /* CONFIG_PM_DEVFREQ */
+
+#endif /* __LINUX_DEVFREQ_H__ */
diff --git a/include/linux/device.h b/include/linux/device.h
index 46751bdb71da..bdcf361ca938 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -638,6 +638,11 @@ static inline void set_dev_node(struct device *dev, int node)
 }
 #endif
 
+static inline struct pm_subsys_data *dev_to_psd(struct device *dev)
+{
+	return dev ? dev->power.subsys_data : NULL;
+}
+
 static inline unsigned int dev_get_uevent_suppress(const struct device *dev)
 {
 	return dev->kobj.uevent_suppress;
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 1effc8b56b4e..aa56cf31f7ff 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -49,6 +49,7 @@ extern int thaw_process(struct task_struct *p);
 
 extern void refrigerator(void);
 extern int freeze_processes(void);
+extern int freeze_kernel_threads(void);
 extern void thaw_processes(void);
 
 static inline int try_to_freeze(void)
@@ -171,7 +172,8 @@ static inline void clear_freeze_flag(struct task_struct *p) {}
 static inline int thaw_process(struct task_struct *p) { return 1; }
 
 static inline void refrigerator(void) {}
-static inline int freeze_processes(void) { BUG(); return 0; }
+static inline int freeze_processes(void) { return -ENOSYS; }
+static inline int freeze_kernel_threads(void) { return -ENOSYS; }
 static inline void thaw_processes(void) {}
 
 static inline int try_to_freeze(void) { return 0; }
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c8615cd0b2f6..df1c836e6948 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -31,7 +31,7 @@
 #include <linux/if_link.h>
 
 #ifdef __KERNEL__
-#include <linux/pm_qos_params.h>
+#include <linux/pm_qos.h>
 #include <linux/timer.h>
 #include <linux/delay.h>
 #include <linux/atomic.h>
@@ -969,7 +969,7 @@ struct net_device {
 	 */
 	char			name[IFNAMSIZ];
 
-	struct pm_qos_request_list pm_qos_req;
+	struct pm_qos_request	pm_qos_req;
 
 	/* device name hash chain */
 	struct hlist_node	name_hlist;
diff --git a/include/linux/opp.h b/include/linux/opp.h
index 7020e9736fc5..87a9208f8aec 100644
--- a/include/linux/opp.h
+++ b/include/linux/opp.h
@@ -16,9 +16,14 @@
 
 #include <linux/err.h>
 #include <linux/cpufreq.h>
+#include <linux/notifier.h>
 
 struct opp;
 
+enum opp_event {
+	OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
+};
+
 #if defined(CONFIG_PM_OPP)
 
 unsigned long opp_get_voltage(struct opp *opp);
@@ -40,6 +45,8 @@ int opp_enable(struct device *dev, unsigned long freq);
 
 int opp_disable(struct device *dev, unsigned long freq);
 
+struct srcu_notifier_head *opp_get_notifier(struct device *dev);
+
 #else
 static inline unsigned long opp_get_voltage(struct opp *opp)
 {
@@ -89,6 +96,11 @@ static inline int opp_disable(struct device *dev, unsigned long freq)
 {
 	return 0;
 }
+
+struct srcu_notifier_head *opp_get_notifier(struct device *dev)
+{
+	return ERR_PTR(-EINVAL);
+}
 #endif		/* CONFIG_PM */
 
 #if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
diff --git a/include/linux/pm.h b/include/linux/pm.h
index f7c84c9abd30..f15acb646813 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -326,6 +326,7 @@ extern struct dev_pm_ops generic_subsys_pm_ops;
  *			requested by a driver.
  */
 
+#define PM_EVENT_INVALID	(-1)
 #define PM_EVENT_ON		0x0000
 #define PM_EVENT_FREEZE 	0x0001
 #define PM_EVENT_SUSPEND	0x0002
@@ -346,6 +347,7 @@ extern struct dev_pm_ops generic_subsys_pm_ops;
 #define PM_EVENT_AUTO_SUSPEND	(PM_EVENT_AUTO | PM_EVENT_SUSPEND)
 #define PM_EVENT_AUTO_RESUME	(PM_EVENT_AUTO | PM_EVENT_RESUME)
 
+#define PMSG_INVALID	((struct pm_message){ .event = PM_EVENT_INVALID, })
 #define PMSG_ON		((struct pm_message){ .event = PM_EVENT_ON, })
 #define PMSG_FREEZE	((struct pm_message){ .event = PM_EVENT_FREEZE, })
 #define PMSG_QUIESCE	((struct pm_message){ .event = PM_EVENT_QUIESCE, })
@@ -366,6 +368,8 @@ extern struct dev_pm_ops generic_subsys_pm_ops;
 #define PMSG_AUTO_RESUME	((struct pm_message) \
 					{ .event = PM_EVENT_AUTO_RESUME, })
 
+#define PMSG_IS_AUTO(msg)	(((msg).event & PM_EVENT_AUTO) != 0)
+
 /**
  * Device run-time power management status.
  *
@@ -421,6 +425,22 @@ enum rpm_request {
 
 struct wakeup_source;
 
+struct pm_domain_data {
+	struct list_head list_node;
+	struct device *dev;
+};
+
+struct pm_subsys_data {
+	spinlock_t lock;
+	unsigned int refcount;
+#ifdef CONFIG_PM_CLK
+	struct list_head clock_list;
+#endif
+#ifdef CONFIG_PM_GENERIC_DOMAINS
+	struct pm_domain_data *domain_data;
+#endif
+};
+
 struct dev_pm_info {
 	pm_message_t		power_state;
 	unsigned int		can_wakeup:1;
@@ -432,6 +452,7 @@ struct dev_pm_info {
 	struct list_head	entry;
 	struct completion	completion;
 	struct wakeup_source	*wakeup;
+	bool			wakeup_path:1;
 #else
 	unsigned int		should_wakeup:1;
 #endif
@@ -462,10 +483,13 @@ struct dev_pm_info {
 	unsigned long		suspended_jiffies;
 	unsigned long		accounting_timestamp;
 #endif
-	void			*subsys_data;  /* Owned by the subsystem. */
+	struct pm_subsys_data	*subsys_data;  /* Owned by the subsystem. */
+	struct pm_qos_constraints *constraints;
 };
 
 extern void update_pm_runtime_accounting(struct device *dev);
+extern int dev_pm_get_subsys_data(struct device *dev);
+extern int dev_pm_put_subsys_data(struct device *dev);
 
 /*
  * Power domains provide callbacks that are executed during system suspend,
diff --git a/include/linux/pm_clock.h b/include/linux/pm_clock.h
new file mode 100644
index 000000000000..8348866e7b05
--- /dev/null
+++ b/include/linux/pm_clock.h
@@ -0,0 +1,71 @@
+/*
+ * pm_clock.h - Definitions and headers related to device clocks.
+ *
+ * Copyright (C) 2011 Rafael J. Wysocki <rjw@sisk.pl>, Renesas Electronics Corp.
+ *
+ * This file is released under the GPLv2.
+ */
+
+#ifndef _LINUX_PM_CLOCK_H
+#define _LINUX_PM_CLOCK_H
+
+#include <linux/device.h>
+#include <linux/notifier.h>
+
+struct pm_clk_notifier_block {
+	struct notifier_block nb;
+	struct dev_pm_domain *pm_domain;
+	char *con_ids[];
+};
+
+#ifdef CONFIG_PM_CLK
+static inline bool pm_clk_no_clocks(struct device *dev)
+{
+	return dev && dev->power.subsys_data
+		&& list_empty(&dev->power.subsys_data->clock_list);
+}
+
+extern void pm_clk_init(struct device *dev);
+extern int pm_clk_create(struct device *dev);
+extern void pm_clk_destroy(struct device *dev);
+extern int pm_clk_add(struct device *dev, const char *con_id);
+extern void pm_clk_remove(struct device *dev, const char *con_id);
+extern int pm_clk_suspend(struct device *dev);
+extern int pm_clk_resume(struct device *dev);
+#else
+static inline bool pm_clk_no_clocks(struct device *dev)
+{
+	return true;
+}
+static inline void pm_clk_init(struct device *dev)
+{
+}
+static inline int pm_clk_create(struct device *dev)
+{
+	return -EINVAL;
+}
+static inline void pm_clk_destroy(struct device *dev)
+{
+}
+static inline int pm_clk_add(struct device *dev, const char *con_id)
+{
+	return -EINVAL;
+}
+static inline void pm_clk_remove(struct device *dev, const char *con_id)
+{
+}
+#define pm_clk_suspend	NULL
+#define pm_clk_resume	NULL
+#endif
+
+#ifdef CONFIG_HAVE_CLK
+extern void pm_clk_add_notifier(struct bus_type *bus,
+					struct pm_clk_notifier_block *clknb);
+#else
+static inline void pm_clk_add_notifier(struct bus_type *bus,
+					struct pm_clk_notifier_block *clknb)
+{
+}
+#endif
+
+#endif
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index f9ec1736a116..65633e5a2bc0 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -13,6 +13,7 @@
 
 enum gpd_status {
 	GPD_STATE_ACTIVE = 0,	/* PM domain is active */
+	GPD_STATE_WAIT_MASTER,	/* PM domain's master is being waited for */
 	GPD_STATE_BUSY,		/* Something is happening to the PM domain */
 	GPD_STATE_REPEAT,	/* Power off in progress, to be repeated */
 	GPD_STATE_POWER_OFF,	/* PM domain is off */
@@ -25,15 +26,14 @@ struct dev_power_governor {
 struct generic_pm_domain {
 	struct dev_pm_domain domain;	/* PM domain operations */
 	struct list_head gpd_list_node;	/* Node in the global PM domains list */
-	struct list_head sd_node;	/* Node in the parent's subdomain list */
-	struct generic_pm_domain *parent;	/* Parent PM domain */
-	struct list_head sd_list;	/* List of dubdomains */
+	struct list_head master_links;	/* Links with PM domain as a master */
+	struct list_head slave_links;	/* Links with PM domain as a slave */
 	struct list_head dev_list;	/* List of devices */
 	struct mutex lock;
 	struct dev_power_governor *gov;
 	struct work_struct power_off_work;
 	unsigned int in_progress;	/* Number of devices being suspended now */
-	unsigned int sd_count;	/* Number of subdomains with power "on" */
+	atomic_t sd_count;	/* Number of subdomains with power "on" */
 	enum gpd_status status;	/* Current state of the domain */
 	wait_queue_head_t status_wait_queue;
 	struct task_struct *poweroff_task;	/* Powering off task */
@@ -42,6 +42,7 @@ struct generic_pm_domain {
 	unsigned int suspended_count;	/* System suspend device counter */
 	unsigned int prepared_count;	/* Suspend counter of prepared devices */
 	bool suspend_power_off;	/* Power status before system suspend */
+	bool dev_irq_safe;	/* Device callbacks are IRQ-safe */
 	int (*power_off)(struct generic_pm_domain *domain);
 	int (*power_on)(struct generic_pm_domain *domain);
 	int (*start_device)(struct device *dev);
@@ -54,12 +55,23 @@ static inline struct generic_pm_domain *pd_to_genpd(struct dev_pm_domain *pd)
 	return container_of(pd, struct generic_pm_domain, domain);
 }
 
-struct dev_list_entry {
-	struct list_head node;
-	struct device *dev;
+struct gpd_link {
+	struct generic_pm_domain *master;
+	struct list_head master_node;
+	struct generic_pm_domain *slave;
+	struct list_head slave_node;
+};
+
+struct generic_pm_domain_data {
+	struct pm_domain_data base;
 	bool need_restore;
 };
 
+static inline struct generic_pm_domain_data *to_gpd_data(struct pm_domain_data *pdd)
+{
+	return container_of(pdd, struct generic_pm_domain_data, base);
+}
+
 #ifdef CONFIG_PM_GENERIC_DOMAINS
 extern int pm_genpd_add_device(struct generic_pm_domain *genpd,
 			       struct device *dev);
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
new file mode 100644
index 000000000000..83b0ea302a80
--- /dev/null
+++ b/include/linux/pm_qos.h
@@ -0,0 +1,155 @@
+#ifndef _LINUX_PM_QOS_H
+#define _LINUX_PM_QOS_H
+/* interface for the pm_qos_power infrastructure of the linux kernel.
+ *
+ * Mark Gross <mgross@linux.intel.com>
+ */
+#include <linux/plist.h>
+#include <linux/notifier.h>
+#include <linux/miscdevice.h>
+#include <linux/device.h>
+
+#define PM_QOS_RESERVED 0
+#define PM_QOS_CPU_DMA_LATENCY 1
+#define PM_QOS_NETWORK_LATENCY 2
+#define PM_QOS_NETWORK_THROUGHPUT 3
+
+#define PM_QOS_NUM_CLASSES 4
+#define PM_QOS_DEFAULT_VALUE -1
+
+#define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE	(2000 * USEC_PER_SEC)
+#define PM_QOS_NETWORK_LAT_DEFAULT_VALUE	(2000 * USEC_PER_SEC)
+#define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE	0
+#define PM_QOS_DEV_LAT_DEFAULT_VALUE		0
+
+struct pm_qos_request {
+	struct plist_node node;
+	int pm_qos_class;
+};
+
+struct dev_pm_qos_request {
+	struct plist_node node;
+	struct device *dev;
+};
+
+enum pm_qos_type {
+	PM_QOS_UNITIALIZED,
+	PM_QOS_MAX,		/* return the largest value */
+	PM_QOS_MIN		/* return the smallest value */
+};
+
+/*
+ * Note: The lockless read path depends on the CPU accessing
+ * target_value atomically.  Atomic access is only guaranteed on all CPU
+ * types linux supports for 32 bit quantites
+ */
+struct pm_qos_constraints {
+	struct plist_head list;
+	s32 target_value;	/* Do not change to 64 bit */
+	s32 default_value;
+	enum pm_qos_type type;
+	struct blocking_notifier_head *notifiers;
+};
+
+/* Action requested to pm_qos_update_target */
+enum pm_qos_req_action {
+	PM_QOS_ADD_REQ,		/* Add a new request */
+	PM_QOS_UPDATE_REQ,	/* Update an existing request */
+	PM_QOS_REMOVE_REQ	/* Remove an existing request */
+};
+
+static inline int dev_pm_qos_request_active(struct dev_pm_qos_request *req)
+{
+	return req->dev != 0;
+}
+
+#ifdef CONFIG_PM
+int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node,
+			 enum pm_qos_req_action action, int value);
+void pm_qos_add_request(struct pm_qos_request *req, int pm_qos_class,
+			s32 value);
+void pm_qos_update_request(struct pm_qos_request *req,
+			   s32 new_value);
+void pm_qos_remove_request(struct pm_qos_request *req);
+
+int pm_qos_request(int pm_qos_class);
+int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
+int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
+int pm_qos_request_active(struct pm_qos_request *req);
+s32 pm_qos_read_value(struct pm_qos_constraints *c);
+
+s32 dev_pm_qos_read_value(struct device *dev);
+int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
+			   s32 value);
+int dev_pm_qos_update_request(struct dev_pm_qos_request *req, s32 new_value);
+int dev_pm_qos_remove_request(struct dev_pm_qos_request *req);
+int dev_pm_qos_add_notifier(struct device *dev,
+			    struct notifier_block *notifier);
+int dev_pm_qos_remove_notifier(struct device *dev,
+			       struct notifier_block *notifier);
+int dev_pm_qos_add_global_notifier(struct notifier_block *notifier);
+int dev_pm_qos_remove_global_notifier(struct notifier_block *notifier);
+void dev_pm_qos_constraints_init(struct device *dev);
+void dev_pm_qos_constraints_destroy(struct device *dev);
+#else
+static inline int pm_qos_update_target(struct pm_qos_constraints *c,
+				       struct plist_node *node,
+				       enum pm_qos_req_action action,
+				       int value)
+			{ return 0; }
+static inline void pm_qos_add_request(struct pm_qos_request *req,
+				      int pm_qos_class, s32 value)
+			{ return; }
+static inline void pm_qos_update_request(struct pm_qos_request *req,
+					 s32 new_value)
+			{ return; }
+static inline void pm_qos_remove_request(struct pm_qos_request *req)
+			{ return; }
+
+static inline int pm_qos_request(int pm_qos_class)
+			{ return 0; }
+static inline int pm_qos_add_notifier(int pm_qos_class,
+				      struct notifier_block *notifier)
+			{ return 0; }
+static inline int pm_qos_remove_notifier(int pm_qos_class,
+					 struct notifier_block *notifier)
+			{ return 0; }
+static inline int pm_qos_request_active(struct pm_qos_request *req)
+			{ return 0; }
+static inline s32 pm_qos_read_value(struct pm_qos_constraints *c)
+			{ return 0; }
+
+static inline s32 dev_pm_qos_read_value(struct device *dev)
+			{ return 0; }
+static inline int dev_pm_qos_add_request(struct device *dev,
+					 struct dev_pm_qos_request *req,
+					 s32 value)
+			{ return 0; }
+static inline int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
+					    s32 new_value)
+			{ return 0; }
+static inline int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
+			{ return 0; }
+static inline int dev_pm_qos_add_notifier(struct device *dev,
+					  struct notifier_block *notifier)
+			{ return 0; }
+static inline int dev_pm_qos_remove_notifier(struct device *dev,
+					     struct notifier_block *notifier)
+			{ return 0; }
+static inline int dev_pm_qos_add_global_notifier(
+					struct notifier_block *notifier)
+			{ return 0; }
+static inline int dev_pm_qos_remove_global_notifier(
+					struct notifier_block *notifier)
+			{ return 0; }
+static inline void dev_pm_qos_constraints_init(struct device *dev)
+{
+	dev->power.power_state = PMSG_ON;
+}
+static inline void dev_pm_qos_constraints_destroy(struct device *dev)
+{
+	dev->power.power_state = PMSG_INVALID;
+}
+#endif
+
+#endif
diff --git a/include/linux/pm_qos_params.h b/include/linux/pm_qos_params.h
deleted file mode 100644
index a7d87f911cab..000000000000
--- a/include/linux/pm_qos_params.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef _LINUX_PM_QOS_PARAMS_H
-#define _LINUX_PM_QOS_PARAMS_H
-/* interface for the pm_qos_power infrastructure of the linux kernel.
- *
- * Mark Gross <mgross@linux.intel.com>
- */
-#include <linux/plist.h>
-#include <linux/notifier.h>
-#include <linux/miscdevice.h>
-
-#define PM_QOS_RESERVED 0
-#define PM_QOS_CPU_DMA_LATENCY 1
-#define PM_QOS_NETWORK_LATENCY 2
-#define PM_QOS_NETWORK_THROUGHPUT 3
-
-#define PM_QOS_NUM_CLASSES 4
-#define PM_QOS_DEFAULT_VALUE -1
-
-#define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE	(2000 * USEC_PER_SEC)
-#define PM_QOS_NETWORK_LAT_DEFAULT_VALUE	(2000 * USEC_PER_SEC)
-#define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE	0
-
-struct pm_qos_request_list {
-	struct plist_node list;
-	int pm_qos_class;
-};
-
-void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value);
-void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
-		s32 new_value);
-void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
-
-int pm_qos_request(int pm_qos_class);
-int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
-int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
-int pm_qos_request_active(struct pm_qos_request_list *req);
-
-#endif
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index daac05d751b2..70b284024d9e 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -251,46 +251,4 @@ static inline void pm_runtime_dont_use_autosuspend(struct device *dev)
 	__pm_runtime_use_autosuspend(dev, false);
 }
 
-struct pm_clk_notifier_block {
-	struct notifier_block nb;
-	struct dev_pm_domain *pm_domain;
-	char *con_ids[];
-};
-
-#ifdef CONFIG_PM_CLK
-extern int pm_clk_init(struct device *dev);
-extern void pm_clk_destroy(struct device *dev);
-extern int pm_clk_add(struct device *dev, const char *con_id);
-extern void pm_clk_remove(struct device *dev, const char *con_id);
-extern int pm_clk_suspend(struct device *dev);
-extern int pm_clk_resume(struct device *dev);
-#else
-static inline int pm_clk_init(struct device *dev)
-{
-	return -EINVAL;
-}
-static inline void pm_clk_destroy(struct device *dev)
-{
-}
-static inline int pm_clk_add(struct device *dev, const char *con_id)
-{
-	return -EINVAL;
-}
-static inline void pm_clk_remove(struct device *dev, const char *con_id)
-{
-}
-#define pm_clk_suspend	NULL
-#define pm_clk_resume	NULL
-#endif
-
-#ifdef CONFIG_HAVE_CLK
-extern void pm_clk_add_notifier(struct bus_type *bus,
-					struct pm_clk_notifier_block *clknb);
-#else
-static inline void pm_clk_add_notifier(struct bus_type *bus,
-					struct pm_clk_notifier_block *clknb)
-{
-}
-#endif
-
 #endif
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 6bbcef22e105..57a692432f8a 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -8,15 +8,18 @@
 #include <linux/mm.h>
 #include <asm/errno.h>
 
-#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
+#ifdef CONFIG_VT
 extern void pm_set_vt_switch(int);
-extern int pm_prepare_console(void);
-extern void pm_restore_console(void);
 #else
 static inline void pm_set_vt_switch(int do_switch)
 {
 }
+#endif
 
+#ifdef CONFIG_VT_CONSOLE_SLEEP
+extern int pm_prepare_console(void);
+extern void pm_restore_console(void);
+#else
 static inline int pm_prepare_console(void)
 {
 	return 0;
@@ -34,6 +37,58 @@ typedef int __bitwise suspend_state_t;
 #define PM_SUSPEND_MEM		((__force suspend_state_t) 3)
 #define PM_SUSPEND_MAX		((__force suspend_state_t) 4)
 
+enum suspend_stat_step {
+	SUSPEND_FREEZE = 1,
+	SUSPEND_PREPARE,
+	SUSPEND_SUSPEND,
+	SUSPEND_SUSPEND_NOIRQ,
+	SUSPEND_RESUME_NOIRQ,
+	SUSPEND_RESUME
+};
+
+struct suspend_stats {
+	int	success;
+	int	fail;
+	int	failed_freeze;
+	int	failed_prepare;
+	int	failed_suspend;
+	int	failed_suspend_noirq;
+	int	failed_resume;
+	int	failed_resume_noirq;
+#define	REC_FAILED_NUM	2
+	int	last_failed_dev;
+	char	failed_devs[REC_FAILED_NUM][40];
+	int	last_failed_errno;
+	int	errno[REC_FAILED_NUM];
+	int	last_failed_step;
+	enum suspend_stat_step	failed_steps[REC_FAILED_NUM];
+};
+
+extern struct suspend_stats suspend_stats;
+
+static inline void dpm_save_failed_dev(const char *name)
+{
+	strlcpy(suspend_stats.failed_devs[suspend_stats.last_failed_dev],
+		name,
+		sizeof(suspend_stats.failed_devs[0]));
+	suspend_stats.last_failed_dev++;
+	suspend_stats.last_failed_dev %= REC_FAILED_NUM;
+}
+
+static inline void dpm_save_failed_errno(int err)
+{
+	suspend_stats.errno[suspend_stats.last_failed_errno] = err;
+	suspend_stats.last_failed_errno++;
+	suspend_stats.last_failed_errno %= REC_FAILED_NUM;
+}
+
+static inline void dpm_save_failed_step(enum suspend_stat_step step)
+{
+	suspend_stats.failed_steps[suspend_stats.last_failed_step] = step;
+	suspend_stats.last_failed_step++;
+	suspend_stats.last_failed_step %= REC_FAILED_NUM;
+}
+
 /**
  * struct platform_suspend_ops - Callbacks for managing platform dependent
  *	system sleep states.
@@ -334,4 +389,38 @@ static inline void unlock_system_sleep(void)
 }
 #endif
 
+#ifdef CONFIG_ARCH_SAVE_PAGE_KEYS
+/*
+ * The ARCH_SAVE_PAGE_KEYS functions can be used by an architecture
+ * to save/restore additional information to/from the array of page
+ * frame numbers in the hibernation image. For s390 this is used to
+ * save and restore the storage key for each page that is included
+ * in the hibernation image.
+ */
+unsigned long page_key_additional_pages(unsigned long pages);
+int page_key_alloc(unsigned long pages);
+void page_key_free(void);
+void page_key_read(unsigned long *pfn);
+void page_key_memorize(unsigned long *pfn);
+void page_key_write(void *address);
+
+#else /* !CONFIG_ARCH_SAVE_PAGE_KEYS */
+
+static inline unsigned long page_key_additional_pages(unsigned long pages)
+{
+	return 0;
+}
+
+static inline int  page_key_alloc(unsigned long pages)
+{
+	return 0;
+}
+
+static inline void page_key_free(void) {}
+static inline void page_key_read(unsigned long *pfn) {}
+static inline void page_key_memorize(unsigned long *pfn) {}
+static inline void page_key_write(void *address) {}
+
+#endif /* !CONFIG_ARCH_SAVE_PAGE_KEYS */
+
 #endif /* _LINUX_SUSPEND_H */
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 57e71fa33f7c..54cb079b7bf1 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -29,7 +29,7 @@
 #include <linux/poll.h>
 #include <linux/mm.h>
 #include <linux/bitops.h>
-#include <linux/pm_qos_params.h>
+#include <linux/pm_qos.h>
 
 #define snd_pcm_substream_chip(substream) ((substream)->private_data)
 #define snd_pcm_chip(pcm) ((pcm)->private_data)
@@ -373,7 +373,7 @@ struct snd_pcm_substream {
 	int number;
 	char name[32];			/* substream name */
 	int stream;			/* stream (direction) */
-	struct pm_qos_request_list latency_pm_qos_req; /* pm_qos request */
+	struct pm_qos_request latency_pm_qos_req; /* pm_qos request */
 	size_t buffer_bytes_max;	/* limit ring buffer size */
 	struct snd_dma_buffer dma_buffer;
 	unsigned int dma_buf_id;
diff --git a/include/trace/events/rpm.h b/include/trace/events/rpm.h
new file mode 100644
index 000000000000..d62c558bf64b
--- /dev/null
+++ b/include/trace/events/rpm.h
@@ -0,0 +1,99 @@
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM rpm
+
+#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_RUNTIME_POWER_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+#include <linux/device.h>
+
+/*
+ * The rpm_internal events are used for tracing some important
+ * runtime pm internal functions.
+ */
+DECLARE_EVENT_CLASS(rpm_internal,
+
+	TP_PROTO(struct device *dev, int flags),
+
+	TP_ARGS(dev, flags),
+
+	TP_STRUCT__entry(
+		__string(       name,		dev_name(dev)	)
+		__field(        int,            flags           )
+		__field(        int ,   	usage_count	)
+		__field(        int ,   	disable_depth   )
+		__field(        int ,   	runtime_auto	)
+		__field(        int ,   	request_pending	)
+		__field(        int ,   	irq_safe	)
+		__field(        int ,   	child_count 	)
+	),
+
+	TP_fast_assign(
+		__assign_str(name, dev_name(dev));
+		__entry->flags = flags;
+		__entry->usage_count = atomic_read(
+			&dev->power.usage_count);
+		__entry->disable_depth = dev->power.disable_depth;
+		__entry->runtime_auto = dev->power.runtime_auto;
+		__entry->request_pending = dev->power.request_pending;
+		__entry->irq_safe = dev->power.irq_safe;
+		__entry->child_count = atomic_read(
+			&dev->power.child_count);
+	),
+
+	TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
+			" irq-%-1d child-%d",
+			__get_str(name), __entry->flags,
+			__entry->usage_count,
+			__entry->disable_depth,
+			__entry->runtime_auto,
+			__entry->request_pending,
+			__entry->irq_safe,
+			__entry->child_count
+		 )
+);
+DEFINE_EVENT(rpm_internal, rpm_suspend,
+
+	TP_PROTO(struct device *dev, int flags),
+
+	TP_ARGS(dev, flags)
+);
+DEFINE_EVENT(rpm_internal, rpm_resume,
+
+	TP_PROTO(struct device *dev, int flags),
+
+	TP_ARGS(dev, flags)
+);
+DEFINE_EVENT(rpm_internal, rpm_idle,
+
+	TP_PROTO(struct device *dev, int flags),
+
+	TP_ARGS(dev, flags)
+);
+
+TRACE_EVENT(rpm_return_int,
+	TP_PROTO(struct device *dev, unsigned long ip, int ret),
+	TP_ARGS(dev, ip, ret),
+
+	TP_STRUCT__entry(
+		__string(       name,		dev_name(dev))
+		__field(	unsigned long,		ip	)
+		__field(	int,			ret	)
+	),
+
+	TP_fast_assign(
+		__assign_str(name, dev_name(dev));
+		__entry->ip = ip;
+		__entry->ret = ret;
+	),
+
+	TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
+		__entry->ret)
+);
+
+#endif /* _TRACE_RUNTIME_POWER_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>