linux/drivers/base/power/power.h
Rafael J. Wysocki 0e06b4a891 PM: Add a switch for disabling/enabling asynchronous suspend/resume
Add sysfs attribute /sys/power/pm_async allowing the user space to
disable/enable asynchronous suspend/resume of devices.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-02-26 20:39:10 +01:00

74 lines
1.7 KiB
C

#ifdef CONFIG_PM_RUNTIME
extern void pm_runtime_init(struct device *dev);
extern void pm_runtime_remove(struct device *dev);
#else /* !CONFIG_PM_RUNTIME */
static inline void pm_runtime_init(struct device *dev) {}
static inline void pm_runtime_remove(struct device *dev) {}
#endif /* !CONFIG_PM_RUNTIME */
#ifdef CONFIG_PM_SLEEP
/* kernel/power/main.c */
extern int pm_async_enabled;
/* drivers/base/power/main.c */
extern struct list_head dpm_list; /* The active device list */
static inline struct device *to_device(struct list_head *entry)
{
return container_of(entry, struct device, power.entry);
}
extern void device_pm_init(struct device *dev);
extern void device_pm_add(struct device *);
extern void device_pm_remove(struct device *);
extern void device_pm_move_before(struct device *, struct device *);
extern void device_pm_move_after(struct device *, struct device *);
extern void device_pm_move_last(struct device *);
#else /* !CONFIG_PM_SLEEP */
static inline void device_pm_init(struct device *dev)
{
pm_runtime_init(dev);
}
static inline void device_pm_remove(struct device *dev)
{
pm_runtime_remove(dev);
}
static inline void device_pm_add(struct device *dev) {}
static inline void device_pm_move_before(struct device *deva,
struct device *devb) {}
static inline void device_pm_move_after(struct device *deva,
struct device *devb) {}
static inline void device_pm_move_last(struct device *dev) {}
#endif /* !CONFIG_PM_SLEEP */
#ifdef CONFIG_PM
/*
* sysfs.c
*/
extern int dpm_sysfs_add(struct device *);
extern void dpm_sysfs_remove(struct device *);
#else /* CONFIG_PM */
static inline int dpm_sysfs_add(struct device *dev)
{
return 0;
}
static inline void dpm_sysfs_remove(struct device *dev)
{
}
#endif