diff --git a/Documentation/power/freezing-of-tasks.txt b/Documentation/power/freezing-of-tasks.txt
index 6ec291ea1c78c64e4e1ec35ad614336859ab4c31..85894d83b3525f2ff0bc6033b80d50ef220d906b 100644
--- a/Documentation/power/freezing-of-tasks.txt
+++ b/Documentation/power/freezing-of-tasks.txt
@@ -223,3 +223,8 @@ since they ask the freezer to skip freezing this task, since it is anyway
 only after the entire suspend/hibernation sequence is complete.
 So, to summarize, use [un]lock_system_sleep() instead of directly using
 mutex_[un]lock(&pm_mutex). That would prevent freezing failures.
+
+V. Miscellaneous
+/sys/power/pm_freeze_timeout controls how long it will cost at most to freeze
+all user space processes or all freezable kernel threads, in unit of millisecond.
+The default value is 20000, with range of unsigned integer.
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 03591a750f99eea57fa63a5b610cf70793c716c6..6c9f5d9aa115d04ee86c5297f5e3051bee31c0b9 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -426,6 +426,10 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
       'power.runtime_error' is set or 'power.disable_depth' is greater than
       zero)
 
+  bool pm_runtime_active(struct device *dev);
+    - return true if the device's runtime PM status is 'active' or its
+      'power.disable_depth' field is not equal to zero, or false otherwise
+
   bool pm_runtime_suspended(struct device *dev);
     - return true if the device's runtime PM status is 'suspended' and its
       'power.disable_depth' field is equal to zero, or false otherwise
diff --git a/Documentation/trace/events-power.txt b/Documentation/trace/events-power.txt
index cf794af22855458ed06133d6acbcd372180730ae..e1498ff8cf94df2bf5a4e14fb93c04c94444e803 100644
--- a/Documentation/trace/events-power.txt
+++ b/Documentation/trace/events-power.txt
@@ -17,7 +17,7 @@ Cf. include/trace/events/power.h for the events definitions.
 1. Power state switch events
 ============================
 
-1.1 New trace API
+1.1 Trace API
 -----------------
 
 A 'cpu' event class gathers the CPU-related events: cpuidle and
@@ -41,31 +41,6 @@ The event which has 'state=4294967295' in the trace is very important to the use
 space tools which are using it to detect the end of the current state, and so to
 correctly draw the states diagrams and to calculate accurate statistics etc.
 
-1.2 DEPRECATED trace API
-------------------------
-
-A new Kconfig option CONFIG_EVENT_POWER_TRACING_DEPRECATED with the default value of
-'y' has been created. This allows the legacy trace power API to be used conjointly
-with the new trace API.
-The Kconfig option, the old trace API (in include/trace/events/power.h) and the
-old trace points will disappear in a future release (namely 2.6.41).
-
-power_start		"type=%lu state=%lu cpu_id=%lu"
-power_frequency		"type=%lu state=%lu cpu_id=%lu"
-power_end		"cpu_id=%lu"
-
-The 'type' parameter takes one of those macros:
- . POWER_NONE	= 0,
- . POWER_CSTATE	= 1,	/* C-State */
- . POWER_PSTATE	= 2,	/* Frequency change or DVFS */
-
-The 'state' parameter is set depending on the type:
- . Target C-state for type=POWER_CSTATE,
- . Target frequency for type=POWER_PSTATE,
-
-power_end is used to indicate the exit of a state, corresponding to the latest
-power_start event.
-
 2. Clocks events
 ================
 The clock events are used for clock enable/disable and for
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 7be3622cfc850711bea6f5b1385b7631ea7033dd..2d93d8b238351fa37fbc76405ba6e8382067afa2 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -351,12 +351,10 @@ static void omap3_pm_idle(void)
 	if (omap_irq_pending())
 		goto out;
 
-	trace_power_start(POWER_CSTATE, 1, smp_processor_id());
 	trace_cpu_idle(1, smp_processor_id());
 
 	omap_sram_idle();
 
-	trace_power_end(smp_processor_id());
 	trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
 
 out:
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 2ed787f15bf0cf397d6515c429d50544e04e9e34..dcfc1f410dc4511d9920d53073582fed36e12290 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -375,7 +375,6 @@ void cpu_idle(void)
  */
 void default_idle(void)
 {
-	trace_power_start_rcuidle(POWER_CSTATE, 1, smp_processor_id());
 	trace_cpu_idle_rcuidle(1, smp_processor_id());
 	current_thread_info()->status &= ~TS_POLLING;
 	/*
@@ -389,7 +388,6 @@ void default_idle(void)
 	else
 		local_irq_enable();
 	current_thread_info()->status |= TS_POLLING;
-	trace_power_end_rcuidle(smp_processor_id());
 	trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
 }
 #ifdef CONFIG_APM_MODULE
@@ -423,7 +421,6 @@ void stop_this_cpu(void *dummy)
 static void mwait_idle(void)
 {
 	if (!need_resched()) {
-		trace_power_start_rcuidle(POWER_CSTATE, 1, smp_processor_id());
 		trace_cpu_idle_rcuidle(1, smp_processor_id());
 		if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR))
 			clflush((void *)&current_thread_info()->flags);
@@ -434,7 +431,6 @@ static void mwait_idle(void)
 			__sti_mwait(0, 0);
 		else
 			local_irq_enable();
-		trace_power_end_rcuidle(smp_processor_id());
 		trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
 	} else
 		local_irq_enable();
@@ -447,12 +443,10 @@ static void mwait_idle(void)
  */
 static void poll_idle(void)
 {
-	trace_power_start_rcuidle(POWER_CSTATE, 0, smp_processor_id());
 	trace_cpu_idle_rcuidle(0, smp_processor_id());
 	local_irq_enable();
 	while (!need_resched())
 		cpu_relax();
-	trace_power_end_rcuidle(smp_processor_id());
 	trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
 }
 
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index bd22f8667eed65e3889e61dcc357d85f5f3d1239..908b02d5da1b1a16a3d55ac54afca8355dbaf203 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -787,7 +787,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
 
 	acpi_irq_handler = handler;
 	acpi_irq_context = context;
-	if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) {
+	if (request_irq(irq, acpi_irq, IRQF_SHARED | IRQF_NO_SUSPEND, "acpi", acpi_irq)) {
 		printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq);
 		acpi_irq_handler = NULL;
 		return AE_NOT_ACQUIRED;
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index acc3a8ded29d0e45d704f6f3ecef261e70e6a5c2..9a6b05a35603c69f4b6b5e38eed5d62f51ea76ff 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -433,8 +433,7 @@ static bool genpd_abort_poweroff(struct generic_pm_domain *genpd)
  */
 void genpd_queue_power_off_work(struct generic_pm_domain *genpd)
 {
-	if (!work_pending(&genpd->power_off_work))
-		queue_work(pm_wq, &genpd->power_off_work);
+	queue_work(pm_wq, &genpd->power_off_work);
 }
 
 /**
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index e6ee5e80e546a1c7895194e529e2e70f5e53ce7f..79715e7fa43e34c9cbf9a4521a657d7bb952f9c6 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -382,6 +382,12 @@ static void wakeup_source_activate(struct wakeup_source *ws)
 {
 	unsigned int cec;
 
+	/*
+	 * active wakeup source should bring the system
+	 * out of PM_SUSPEND_FREEZE state
+	 */
+	freeze_wake();
+
 	ws->active = true;
 	ws->active_count++;
 	ws->last_time = ktime_get();
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 1f93dbd723559eb4d92344d0648ea051eef78a84..99faadf454ec2b8780365fa2f0288f79e8b8194b 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -294,7 +294,6 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
 		adjust_jiffies(CPUFREQ_POSTCHANGE, freqs);
 		pr_debug("FREQ: %lu - CPU: %lu", (unsigned long)freqs->new,
 			(unsigned long)freqs->cpu);
-		trace_power_frequency(POWER_PSTATE, freqs->new, freqs->cpu);
 		trace_cpu_frequency(freqs->new, freqs->cpu);
 		srcu_notifier_call_chain(&cpufreq_transition_notifier_list,
 				CPUFREQ_POSTCHANGE, freqs);
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index e1f6860e069c7350d3fbb5bb499a67bfc581f760..eba69290e0748b8fe5ee201bab4392916675c363 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -144,7 +144,6 @@ int cpuidle_idle_call(void)
 		return 0;
 	}
 
-	trace_power_start_rcuidle(POWER_CSTATE, next_state, dev->cpu);
 	trace_cpu_idle_rcuidle(next_state, dev->cpu);
 
 	if (cpuidle_state_is_coupled(dev, drv, next_state))
@@ -153,7 +152,6 @@ int cpuidle_idle_call(void)
 	else
 		entered_state = cpuidle_enter_state(dev, drv, next_state);
 
-	trace_power_end_rcuidle(dev->cpu);
 	trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu);
 
 	/* give the governor an opportunity to reflect on the outcome */
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index e4238ceaa4d6a039d7acf55ae6ad69b6871ac4bd..e70df40d84f6fe83c72f732aa44b454148661b6e 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -12,6 +12,11 @@ extern atomic_t system_freezing_cnt;	/* nr of freezing conds in effect */
 extern bool pm_freezing;		/* PM freezing in effect */
 extern bool pm_nosig_freezing;		/* PM nosig freezing in effect */
 
+/*
+ * Timeout for stopping processes
+ */
+extern unsigned int freeze_timeout_msecs;
+
 /*
  * Check if a process has been frozen
  */
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index f271860c78d54ee4c794dcb6b7f432a9d7523a33..c785c215abfc54cb179d06aa81870178bc3b3255 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -80,6 +80,12 @@ static inline bool pm_runtime_suspended(struct device *dev)
 		&& !dev->power.disable_depth;
 }
 
+static inline bool pm_runtime_active(struct device *dev)
+{
+	return dev->power.runtime_status == RPM_ACTIVE
+		|| dev->power.disable_depth;
+}
+
 static inline bool pm_runtime_status_suspended(struct device *dev)
 {
 	return dev->power.runtime_status == RPM_SUSPENDED;
@@ -132,6 +138,7 @@ static inline void pm_runtime_put_noidle(struct device *dev) {}
 static inline bool device_run_wake(struct device *dev) { return false; }
 static inline void device_set_run_wake(struct device *dev, bool enable) {}
 static inline bool pm_runtime_suspended(struct device *dev) { return false; }
+static inline bool pm_runtime_active(struct device *dev) { return true; }
 static inline bool pm_runtime_status_suspended(struct device *dev) { return false; }
 static inline bool pm_runtime_enabled(struct device *dev) { return false; }
 
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 0c808d7fa579ec81d2da272caa0cc6630c9635a2..d4e3f16d5e8932c56e059d906add432cf88c8dbc 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -34,8 +34,10 @@ static inline void pm_restore_console(void)
 typedef int __bitwise suspend_state_t;
 
 #define PM_SUSPEND_ON		((__force suspend_state_t) 0)
-#define PM_SUSPEND_STANDBY	((__force suspend_state_t) 1)
+#define PM_SUSPEND_FREEZE	((__force suspend_state_t) 1)
+#define PM_SUSPEND_STANDBY	((__force suspend_state_t) 2)
 #define PM_SUSPEND_MEM		((__force suspend_state_t) 3)
+#define PM_SUSPEND_MIN		PM_SUSPEND_FREEZE
 #define PM_SUSPEND_MAX		((__force suspend_state_t) 4)
 
 enum suspend_stat_step {
@@ -192,6 +194,7 @@ struct platform_suspend_ops {
  */
 extern void suspend_set_ops(const struct platform_suspend_ops *ops);
 extern int suspend_valid_only_mem(suspend_state_t state);
+extern void freeze_wake(void);
 
 /**
  * arch_suspend_disable_irqs - disable IRQs for suspend
@@ -217,6 +220,7 @@ extern int pm_suspend(suspend_state_t state);
 
 static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {}
 static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; }
+static inline void freeze_wake(void) {}
 #endif /* !CONFIG_SUSPEND */
 
 /* struct pbe is used for creating lists of pages that should be restored
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 0c9783841a3033565fa90100d6c6efd003861267..427acab5d69af24899c4daf19b194e4abd67a243 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -99,98 +99,6 @@ DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
 	TP_ARGS(name, state)
 );
 
-#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
-
-/*
- * The power events are used for cpuidle & suspend (power_start, power_end)
- *  and for cpufreq (power_frequency)
- */
-DECLARE_EVENT_CLASS(power,
-
-	TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
-
-	TP_ARGS(type, state, cpu_id),
-
-	TP_STRUCT__entry(
-		__field(	u64,		type		)
-		__field(	u64,		state		)
-		__field(	u64,		cpu_id		)
-	),
-
-	TP_fast_assign(
-		__entry->type = type;
-		__entry->state = state;
-		__entry->cpu_id = cpu_id;
-	),
-
-	TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
-		(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
-);
-
-DEFINE_EVENT(power, power_start,
-
-	TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
-
-	TP_ARGS(type, state, cpu_id)
-);
-
-DEFINE_EVENT(power, power_frequency,
-
-	TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
-
-	TP_ARGS(type, state, cpu_id)
-);
-
-TRACE_EVENT(power_end,
-
-	TP_PROTO(unsigned int cpu_id),
-
-	TP_ARGS(cpu_id),
-
-	TP_STRUCT__entry(
-		__field(	u64,		cpu_id		)
-	),
-
-	TP_fast_assign(
-		__entry->cpu_id = cpu_id;
-	),
-
-	TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
-
-);
-
-/* Deprecated dummy functions must be protected against multi-declartion */
-#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
-#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
-
-enum {
-	POWER_NONE = 0,
-	POWER_CSTATE = 1,
-	POWER_PSTATE = 2,
-};
-#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
-
-#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
-
-#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
-#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
-enum {
-       POWER_NONE = 0,
-       POWER_CSTATE = 1,
-       POWER_PSTATE = 2,
-};
-
-/* These dummy declaration have to be ripped out when the deprecated
-   events get removed */
-static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
-static inline void trace_power_end(u64 cpuid) {};
-static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
-static inline void trace_power_end_rcuidle(u64 cpuid) {};
-static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
-#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
-
-#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
-
 /*
  * The clock events are used for clock enable/disable and for
  *  clock rate change
diff --git a/kernel/power/autosleep.c b/kernel/power/autosleep.c
index ca304046d9e2b60c35c75eac43f5c3efcf2d0d01..c6422ffeda9a9c304a750b9321d555278b6a39d3 100644
--- a/kernel/power/autosleep.c
+++ b/kernel/power/autosleep.c
@@ -66,7 +66,7 @@ static DECLARE_WORK(suspend_work, try_to_suspend);
 
 void queue_up_suspend_work(void)
 {
-	if (!work_pending(&suspend_work) && autosleep_state > PM_SUSPEND_ON)
+	if (autosleep_state > PM_SUSPEND_ON)
 		queue_work(autosleep_wq, &suspend_work);
 }
 
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 1c16f9167de15c4151be06ad54be69a7ed8faeb6..d77663bfedeb071370f584f2bf1e42cd8332e5a4 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -313,7 +313,7 @@ static ssize_t state_show(struct kobject *kobj, struct kobj_attribute *attr,
 static suspend_state_t decode_state(const char *buf, size_t n)
 {
 #ifdef CONFIG_SUSPEND
-	suspend_state_t state = PM_SUSPEND_STANDBY;
+	suspend_state_t state = PM_SUSPEND_MIN;
 	const char * const *s;
 #endif
 	char *p;
@@ -553,6 +553,30 @@ power_attr(pm_trace_dev_match);
 
 #endif /* CONFIG_PM_TRACE */
 
+#ifdef CONFIG_FREEZER
+static ssize_t pm_freeze_timeout_show(struct kobject *kobj,
+				      struct kobj_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%u\n", freeze_timeout_msecs);
+}
+
+static ssize_t pm_freeze_timeout_store(struct kobject *kobj,
+				       struct kobj_attribute *attr,
+				       const char *buf, size_t n)
+{
+	unsigned long val;
+
+	if (kstrtoul(buf, 10, &val))
+		return -EINVAL;
+
+	freeze_timeout_msecs = val;
+	return n;
+}
+
+power_attr(pm_freeze_timeout);
+
+#endif	/* CONFIG_FREEZER*/
+
 static struct attribute * g[] = {
 	&state_attr.attr,
 #ifdef CONFIG_PM_TRACE
@@ -575,6 +599,9 @@ static struct attribute * g[] = {
 #ifdef CONFIG_PM_SLEEP_DEBUG
 	&pm_print_times_attr.attr,
 #endif
+#endif
+#ifdef CONFIG_FREEZER
+	&pm_freeze_timeout_attr.attr,
 #endif
 	NULL,
 };
diff --git a/kernel/power/process.c b/kernel/power/process.c
index d5a258b60c6fd71aed065a0dd2ea5acadddc991f..98088e0e71e83a3b9cd157c5415f9e79083592c0 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -21,7 +21,7 @@
 /* 
  * Timeout for stopping processes
  */
-#define TIMEOUT	(20 * HZ)
+unsigned int __read_mostly freeze_timeout_msecs = 20 * MSEC_PER_SEC;
 
 static int try_to_freeze_tasks(bool user_only)
 {
@@ -36,7 +36,7 @@ static int try_to_freeze_tasks(bool user_only)
 
 	do_gettimeofday(&start);
 
-	end_time = jiffies + TIMEOUT;
+	end_time = jiffies + msecs_to_jiffies(freeze_timeout_msecs);
 
 	if (!user_only)
 		freeze_workqueues_begin();
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 9322ff7eaad68d41512763d3b337d123601f32b7..587dddeebf15610da6f93c35874381ea5156365a 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -359,8 +359,7 @@ void pm_qos_update_request(struct pm_qos_request *req,
 		return;
 	}
 
-	if (delayed_work_pending(&req->work))
-		cancel_delayed_work_sync(&req->work);
+	cancel_delayed_work_sync(&req->work);
 
 	if (new_value != req->node.prio)
 		pm_qos_update_target(
@@ -386,8 +385,7 @@ void pm_qos_update_request_timeout(struct pm_qos_request *req, s32 new_value,
 		 "%s called for unknown object.", __func__))
 		return;
 
-	if (delayed_work_pending(&req->work))
-		cancel_delayed_work_sync(&req->work);
+	cancel_delayed_work_sync(&req->work);
 
 	if (new_value != req->node.prio)
 		pm_qos_update_target(
@@ -416,8 +414,7 @@ void pm_qos_remove_request(struct pm_qos_request *req)
 		return;
 	}
 
-	if (delayed_work_pending(&req->work))
-		cancel_delayed_work_sync(&req->work);
+	cancel_delayed_work_sync(&req->work);
 
 	pm_qos_update_target(pm_qos_array[req->pm_qos_class]->constraints,
 			     &req->node, PM_QOS_REMOVE_REQ,
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index c8b7446b27dfc21add10f610e1692a2f3acee7ed..d4feda084a3aa9880611666352283deb1b28b3ef 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -30,12 +30,38 @@
 #include "power.h"
 
 const char *const pm_states[PM_SUSPEND_MAX] = {
+	[PM_SUSPEND_FREEZE]	= "freeze",
 	[PM_SUSPEND_STANDBY]	= "standby",
 	[PM_SUSPEND_MEM]	= "mem",
 };
 
 static const struct platform_suspend_ops *suspend_ops;
 
+static bool need_suspend_ops(suspend_state_t state)
+{
+	return !!(state > PM_SUSPEND_FREEZE);
+}
+
+static DECLARE_WAIT_QUEUE_HEAD(suspend_freeze_wait_head);
+static bool suspend_freeze_wake;
+
+static void freeze_begin(void)
+{
+	suspend_freeze_wake = false;
+}
+
+static void freeze_enter(void)
+{
+	wait_event(suspend_freeze_wait_head, suspend_freeze_wake);
+}
+
+void freeze_wake(void)
+{
+	suspend_freeze_wake = true;
+	wake_up(&suspend_freeze_wait_head);
+}
+EXPORT_SYMBOL_GPL(freeze_wake);
+
 /**
  * suspend_set_ops - Set the global suspend method table.
  * @ops: Suspend operations to use.
@@ -50,8 +76,11 @@ EXPORT_SYMBOL_GPL(suspend_set_ops);
 
 bool valid_state(suspend_state_t state)
 {
+	if (state == PM_SUSPEND_FREEZE)
+		return true;
 	/*
-	 * All states need lowlevel support and need to be valid to the lowlevel
+	 * PM_SUSPEND_STANDBY and PM_SUSPEND_MEMORY states need lowlevel
+	 * support and need to be valid to the lowlevel
 	 * implementation, no valid callback implies that none are valid.
 	 */
 	return suspend_ops && suspend_ops->valid && suspend_ops->valid(state);
@@ -89,11 +118,11 @@ static int suspend_test(int level)
  * hibernation).  Run suspend notifiers, allocate the "suspend" console and
  * freeze processes.
  */
-static int suspend_prepare(void)
+static int suspend_prepare(suspend_state_t state)
 {
 	int error;
 
-	if (!suspend_ops || !suspend_ops->enter)
+	if (need_suspend_ops(state) && (!suspend_ops || !suspend_ops->enter))
 		return -EPERM;
 
 	pm_prepare_console();
@@ -137,7 +166,7 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
 {
 	int error;
 
-	if (suspend_ops->prepare) {
+	if (need_suspend_ops(state) && suspend_ops->prepare) {
 		error = suspend_ops->prepare();
 		if (error)
 			goto Platform_finish;
@@ -149,12 +178,23 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
 		goto Platform_finish;
 	}
 
-	if (suspend_ops->prepare_late) {
+	if (need_suspend_ops(state) && suspend_ops->prepare_late) {
 		error = suspend_ops->prepare_late();
 		if (error)
 			goto Platform_wake;
 	}
 
+	/*
+	 * PM_SUSPEND_FREEZE equals
+	 * frozen processes + suspended devices + idle processors.
+	 * Thus we should invoke freeze_enter() soon after
+	 * all the devices are suspended.
+	 */
+	if (state == PM_SUSPEND_FREEZE) {
+		freeze_enter();
+		goto Platform_wake;
+	}
+
 	if (suspend_test(TEST_PLATFORM))
 		goto Platform_wake;
 
@@ -182,13 +222,13 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
 	enable_nonboot_cpus();
 
  Platform_wake:
-	if (suspend_ops->wake)
+	if (need_suspend_ops(state) && suspend_ops->wake)
 		suspend_ops->wake();
 
 	dpm_resume_start(PMSG_RESUME);
 
  Platform_finish:
-	if (suspend_ops->finish)
+	if (need_suspend_ops(state) && suspend_ops->finish)
 		suspend_ops->finish();
 
 	return error;
@@ -203,11 +243,11 @@ int suspend_devices_and_enter(suspend_state_t state)
 	int error;
 	bool wakeup = false;
 
-	if (!suspend_ops)
+	if (need_suspend_ops(state) && !suspend_ops)
 		return -ENOSYS;
 
 	trace_machine_suspend(state);
-	if (suspend_ops->begin) {
+	if (need_suspend_ops(state) && suspend_ops->begin) {
 		error = suspend_ops->begin(state);
 		if (error)
 			goto Close;
@@ -226,7 +266,7 @@ int suspend_devices_and_enter(suspend_state_t state)
 
 	do {
 		error = suspend_enter(state, &wakeup);
-	} while (!error && !wakeup
+	} while (!error && !wakeup && need_suspend_ops(state)
 		&& suspend_ops->suspend_again && suspend_ops->suspend_again());
 
  Resume_devices:
@@ -236,13 +276,13 @@ int suspend_devices_and_enter(suspend_state_t state)
 	ftrace_start();
 	resume_console();
  Close:
-	if (suspend_ops->end)
+	if (need_suspend_ops(state) && suspend_ops->end)
 		suspend_ops->end();
 	trace_machine_suspend(PWR_EVENT_EXIT);
 	return error;
 
  Recover_platform:
-	if (suspend_ops->recover)
+	if (need_suspend_ops(state) && suspend_ops->recover)
 		suspend_ops->recover();
 	goto Resume_devices;
 }
@@ -278,12 +318,15 @@ static int enter_state(suspend_state_t state)
 	if (!mutex_trylock(&pm_mutex))
 		return -EBUSY;
 
+	if (state == PM_SUSPEND_FREEZE)
+		freeze_begin();
+
 	printk(KERN_INFO "PM: Syncing filesystems ... ");
 	sys_sync();
 	printk("done.\n");
 
 	pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]);
-	error = suspend_prepare();
+	error = suspend_prepare(state);
 	if (error)
 		goto Unlock;
 
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 5d89335a485f7480ea4fa3924261e5d659e79ad0..ad0a067ad4b33e8a76da23a2c0dea7926bf5f265 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -78,21 +78,6 @@ config EVENT_TRACING
 	select CONTEXT_SWITCH_TRACER
 	bool
 
-config EVENT_POWER_TRACING_DEPRECATED
-	depends on EVENT_TRACING
-	bool "Deprecated power event trace API, to be removed"
-	default y
-	help
-	  Provides old power event types:
-	  C-state/idle accounting events:
-	  power:power_start
-	  power:power_end
-	  and old cpufreq accounting event:
-	  power:power_frequency
-	  This is for userspace compatibility
-	  and will vanish after 5 kernel iterations,
-	  namely 3.1.
-
 config CONTEXT_SWITCH_TRACER
 	bool
 
diff --git a/kernel/trace/power-traces.c b/kernel/trace/power-traces.c
index f55fcf61b223d87e547568512ef2ae89e17107c5..1c71382b283d5abe23fedb1923952aa02ee6c73a 100644
--- a/kernel/trace/power-traces.c
+++ b/kernel/trace/power-traces.c
@@ -13,8 +13,5 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/power.h>
 
-#ifdef EVENT_POWER_TRACING_DEPRECATED
-EXPORT_TRACEPOINT_SYMBOL_GPL(power_start);
-#endif
 EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_idle);