drivers/base/power/power.h

   1 /*
   2  * shutdown.c
   3  */
   4
   5 extern void device_shutdown(void);
   6
   7
   8 #ifdef CONFIG_PM_SLEEP
   9
  10 /*
  11  * main.c
  12  */
  13
  14 /*
  15  * Used to synchronize global power management operations.
  16  */
  17 extern struct mutex dpm_mtx;
  18
  19 /*
  20  * Used to serialize changes to the dpm_* lists.
  21  */
  22 extern struct mutex dpm_list_mtx;
  23
  24 /*
  25  * The PM lists.
  26  */
  27 extern struct list_head dpm_active;
  28 extern struct list_head dpm_off;
  29 extern struct list_head dpm_off_irq;
  30
  31
  32 static inline struct dev_pm_info * to_pm_info(struct list_head * entry)
  33 {
  34         return container_of(entry, struct dev_pm_info, entry);
  35 }
  36
  37 static inline struct device *to_device(struct list_head *entry)
  38 {
  39         return container_of(to_pm_info(entry), struct device, power);
  40 }
  41
  42 extern void device_pm_add(struct device *);
  43 extern void device_pm_remove(struct device *);
  44
  45 #else /* CONFIG_PM_SLEEP */
  46
  47 static inline void device_pm_add(struct device *dev)
  48 {
  49 }
  50
  51 static inline void device_pm_remove(struct device *dev)
  52 {
  53 }
  54 #endif
  55
  56 #ifdef CONFIG_PM
  57 /*
  58  * sysfs.c
  59  */
  60
  61 extern int dpm_sysfs_add(struct device *);
  62 extern void dpm_sysfs_remove(struct device *);
  63
  64 /*
  65  * resume.c
  66  */
  67
  68 extern void dpm_resume(void);
  69 extern void dpm_power_up(void);
  70 extern int resume_device(struct device *);
  71
  72 /*
  73  * suspend.c
  74  */
  75 extern int suspend_device(struct device *, pm_message_t);
  76
  77 #else /* CONFIG_PM */
  78
  79 static inline int dpm_sysfs_add(struct device *dev)
  80 {
  81         return 0;
  82 }
  83
  84 static inline void dpm_sysfs_remove(struct device *dev)
  85 {
  86 }
  87
  88 #endif