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   1 #ifndef __LINUX_PM_LEGACY_H__
   2 #define __LINUX_PM_LEGACY_H__
   3
   4
   5 #ifdef CONFIG_PM_LEGACY
   6
   7 extern int pm_active;
   8
   9 #define PM_IS_ACTIVE() (pm_active != 0)
  10
  11 /*
  12  * Register a device with power management
  13  */
  14 struct pm_dev __deprecated *
  15 pm_register(pm_dev_t type, unsigned long id, pm_callback callback);
  16
  17 /*
  18  * Unregister all devices with matching callback
  19  */
  20 void __deprecated pm_unregister_all(pm_callback callback);
  21
  22 /*
  23  * Send a request to all devices
  24  */
  25 int __deprecated pm_send_all(pm_request_t rqst, void *data);
  26
  27 #else /* CONFIG_PM_LEGACY */
  28
  29 #define PM_IS_ACTIVE() 0
  30
  31 static inline struct pm_dev *pm_register(pm_dev_t type,
  32                                          unsigned long id,
  33                                          pm_callback callback)
  34 {
  35         return NULL;
  36 }
  37
  38 static inline void pm_unregister_all(pm_callback callback) {}
  39
  40 static inline int pm_send_all(pm_request_t rqst, void *data)
  41 {
  42         return 0;
  43 }
  44
  45 #endif /* CONFIG_PM_LEGACY */
  46
  47 #endif /* __LINUX_PM_LEGACY_H__ */
  48