drivers/base/power/power.h

   1 #ifdef CONFIG_PM_SLEEP
   2
   3 /*
   4  * main.c
   5  */
   6
   7 extern struct list_head dpm_active;     /* The active device list */
   8
   9 static inline struct device *to_device(struct list_head *entry)
  10 {
  11         return container_of(entry, struct device, power.entry);
  12 }
  13
  14 extern void device_pm_add(struct device *);
  15 extern void device_pm_remove(struct device *);
  16 extern int pm_sleep_lock(void);
  17 extern void pm_sleep_unlock(void);
  18
  19 #else /* CONFIG_PM_SLEEP */
  20
  21
  22 static inline void device_pm_add(struct device *dev)
  23 {
  24 }
  25
  26 static inline void device_pm_remove(struct device *dev)
  27 {
  28 }
  29
  30 static inline int pm_sleep_lock(void)
  31 {
  32         return 0;
  33 }
  34
  35 static inline void pm_sleep_unlock(void)
  36 {
  37 }
  38
  39 #endif
  40
  41 #ifdef CONFIG_PM
  42
  43 /*
  44  * sysfs.c
  45  */
  46
  47 extern int dpm_sysfs_add(struct device *);
  48 extern void dpm_sysfs_remove(struct device *);
  49
  50 #else /* CONFIG_PM */
  51
  52 static inline int dpm_sysfs_add(struct device *dev)
  53 {
  54         return 0;
  55 }
  56
  57 static inline void dpm_sysfs_remove(struct device *dev)
  58 {
  59 }
  60
  61 #endif