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-rw-r--r--include/linux/freezer.h5
-rw-r--r--include/linux/pm_runtime.h7
-rw-r--r--include/linux/suspend.h6
-rw-r--r--include/trace/events/power.h92
4 files changed, 17 insertions, 93 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index e4238ceaa4d..e70df40d84f 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -13,6 +13,11 @@ 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
*/
static inline bool frozen(struct task_struct *p)
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index f271860c78d..c785c215abf 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 0c808d7fa57..d4e3f16d5e8 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 0c9783841a3..427acab5d69 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