diff options
Diffstat (limited to 'include/linux/pm_runtime.h')
| -rw-r--r-- | include/linux/pm_runtime.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 8ca52f7c357e..99ed1aa8f933 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -12,12 +12,15 @@ #include <linux/device.h> #include <linux/pm.h> +#include <linux/jiffies.h> + /* Runtime PM flag argument bits */ #define RPM_ASYNC 0x01 /* Request is asynchronous */ #define RPM_NOWAIT 0x02 /* Don't wait for concurrent state change */ #define RPM_GET_PUT 0x04 /* Increment/decrement the usage_count */ +#define RPM_AUTO 0x08 /* Use autosuspend_delay */ #ifdef CONFIG_PM_RUNTIME @@ -37,6 +40,9 @@ extern int pm_generic_runtime_idle(struct device *dev); extern int pm_generic_runtime_suspend(struct device *dev); extern int pm_generic_runtime_resume(struct device *dev); extern void pm_runtime_no_callbacks(struct device *dev); +extern void __pm_runtime_use_autosuspend(struct device *dev, bool use); +extern void pm_runtime_set_autosuspend_delay(struct device *dev, int delay); +extern unsigned long pm_runtime_autosuspend_expiration(struct device *dev); static inline bool pm_children_suspended(struct device *dev) { @@ -74,6 +80,11 @@ static inline bool pm_runtime_suspended(struct device *dev) return dev->power.runtime_status == RPM_SUSPENDED; } +static inline void pm_runtime_mark_last_busy(struct device *dev) +{ + ACCESS_ONCE(dev->power.last_busy) = jiffies; +} + #else /* !CONFIG_PM_RUNTIME */ static inline int __pm_runtime_idle(struct device *dev, int rpmflags) @@ -113,6 +124,14 @@ static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; } static inline int pm_generic_runtime_resume(struct device *dev) { return 0; } static inline void pm_runtime_no_callbacks(struct device *dev) {} +static inline void pm_runtime_mark_last_busy(struct device *dev) {} +static inline void __pm_runtime_use_autosuspend(struct device *dev, + bool use) {} +static inline void pm_runtime_set_autosuspend_delay(struct device *dev, + int delay) {} +static inline unsigned long pm_runtime_autosuspend_expiration( + struct device *dev) { return 0; } + #endif /* !CONFIG_PM_RUNTIME */ static inline int pm_runtime_idle(struct device *dev) @@ -125,6 +144,11 @@ static inline int pm_runtime_suspend(struct device *dev) return __pm_runtime_suspend(dev, 0); } +static inline int pm_runtime_autosuspend(struct device *dev) +{ + return __pm_runtime_suspend(dev, RPM_AUTO); +} + static inline int pm_runtime_resume(struct device *dev) { return __pm_runtime_resume(dev, 0); @@ -155,11 +179,22 @@ static inline int pm_runtime_put(struct device *dev) return __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC); } +static inline int pm_runtime_put_autosuspend(struct device *dev) +{ + return __pm_runtime_suspend(dev, + RPM_GET_PUT | RPM_ASYNC | RPM_AUTO); +} + static inline int pm_runtime_put_sync(struct device *dev) { return __pm_runtime_idle(dev, RPM_GET_PUT); } +static inline int pm_runtime_put_sync_autosuspend(struct device *dev) +{ + return __pm_runtime_suspend(dev, RPM_GET_PUT | RPM_AUTO); +} + static inline int pm_runtime_set_active(struct device *dev) { return __pm_runtime_set_status(dev, RPM_ACTIVE); @@ -175,4 +210,14 @@ static inline void pm_runtime_disable(struct device *dev) __pm_runtime_disable(dev, true); } +static inline void pm_runtime_use_autosuspend(struct device *dev) +{ + __pm_runtime_use_autosuspend(dev, true); +} + +static inline void pm_runtime_dont_use_autosuspend(struct device *dev) +{ + __pm_runtime_use_autosuspend(dev, false); +} + #endif |