release/src-rt-6.x.4708/linux/linux-2.6.36/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         pm_runtime_init(dev);
  38 }
  39
  40 static inline void device_pm_remove(struct device *dev)
  41 {
  42         pm_runtime_remove(dev);
  43 }
  44
  45 static inline void device_pm_add(struct device *dev) {}
  46 static inline void device_pm_move_before(struct device *deva,
  47                                          struct device *devb) {}
  48 static inline void device_pm_move_after(struct device *deva,
  49                                         struct device *devb) {}
  50 static inline void device_pm_move_last(struct device *dev) {}
  51
  52 #endif /* !CONFIG_PM_SLEEP */
  53
  54 #ifdef CONFIG_PM
  55
  56 /*
  57  * sysfs.c
  58  */
  59
  60 extern int dpm_sysfs_add(struct device *);
  61 extern void dpm_sysfs_remove(struct device *);
  62
  63 #else /* CONFIG_PM */
  64
  65 static inline int dpm_sysfs_add(struct device *dev)
  66 {
  67         return 0;
  68 }
  69
  70 static inline void dpm_sysfs_remove(struct device *dev)
  71 {
  72 }
  73
  74 #endif