drivers/base/power/power.h

   1 #ifdef CONFIG_PM_RUNTIME
   2
   3 extern void pm_runtime_init(struct device *dev);
   4 extern void pm_runtime_remove(struct device *dev);
   5
   6 #else /* !CONFIG_PM_RUNTIME */
   7
   8 static inline void pm_runtime_init(struct device *dev) {}
   9 static inline void pm_runtime_remove(struct device *dev) {}
  10
  11 #endif /* !CONFIG_PM_RUNTIME */
  12
  13 #ifdef CONFIG_PM_SLEEP
  14
  15 /* kernel/power/main.c */
  16 extern int pm_async_enabled;
  17
  18 /* drivers/base/power/main.c */
  19 extern struct list_head dpm_list;       /* The active device list */
  20
  21 static inline struct device *to_device(struct list_head *entry)
  22 {
  23         return container_of(entry, struct device, power.entry);
  24 }
  25
  26 extern void device_pm_init(struct device *dev);
  27 extern void device_pm_add(struct device *);
  28 extern void device_pm_remove(struct device *);
  29 extern void device_pm_move_before(struct device *, struct device *);
  30 extern void device_pm_move_after(struct device *, struct device *);
  31 extern void device_pm_move_last(struct device *);
  32
  33 #else /* !CONFIG_PM_SLEEP */
  34
  35 static inline void device_pm_init(struct device *dev)
  36 {
  37         spin_lock_init(&dev->power.lock);
  38         pm_runtime_init(dev);
  39 }
  40
  41 static inline void device_pm_remove(struct device *dev)
  42 {
  43         pm_runtime_remove(dev);
  44 }
  45
  46 static inline void device_pm_add(struct device *dev) {}
  47 static inline void device_pm_move_before(struct device *deva,
  48                                          struct device *devb) {}
  49 static inline void device_pm_move_after(struct device *deva,
  50                                         struct device *devb) {}
  51 static inline void device_pm_move_last(struct device *dev) {}
  52
  53 #endif /* !CONFIG_PM_SLEEP */
  54
  55 #ifdef CONFIG_PM
  56
  57 /*
  58  * sysfs.c
  59  */
  60
  61 extern int dpm_sysfs_add(struct device *);
  62 extern void dpm_sysfs_remove(struct device *);
  63 extern void rpm_sysfs_remove(struct device *);
  64
  65 #else /* CONFIG_PM */
  66
  67 static inline int dpm_sysfs_add(struct device *dev)
  68 {
  69         return 0;
  70 }
  71
  72 static inline void dpm_sysfs_remove(struct device *dev)
  73 {
  74 }
  75
  76 #endif