diff options
Diffstat (limited to 'include/linux/pm.h')
-rw-r--r-- | include/linux/pm.h | 90 |
1 files changed, 39 insertions, 51 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h index 5cfb07648eca..5be87ba3b7ac 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -94,55 +94,6 @@ struct pm_dev struct list_head entry; }; -#ifdef CONFIG_PM - -extern int pm_active; - -#define PM_IS_ACTIVE() (pm_active != 0) - -/* - * Register a device with power management - */ -struct pm_dev __deprecated * -pm_register(pm_dev_t type, unsigned long id, pm_callback callback); - -/* - * Unregister a device with power management - */ -void __deprecated pm_unregister(struct pm_dev *dev); - -/* - * Unregister all devices with matching callback - */ -void __deprecated pm_unregister_all(pm_callback callback); - -/* - * Send a request to all devices - */ -int __deprecated pm_send_all(pm_request_t rqst, void *data); - -#else /* CONFIG_PM */ - -#define PM_IS_ACTIVE() 0 - -static inline struct pm_dev *pm_register(pm_dev_t type, - unsigned long id, - pm_callback callback) -{ - return NULL; -} - -static inline void pm_unregister(struct pm_dev *dev) {} - -static inline void pm_unregister_all(pm_callback callback) {} - -static inline int pm_send_all(pm_request_t rqst, void *data) -{ - return 0; -} - -#endif /* CONFIG_PM */ - /* Functions above this comment are list-based old-style power * managment. Please avoid using them. */ @@ -170,6 +121,7 @@ typedef int __bitwise suspend_disk_method_t; struct pm_ops { suspend_disk_method_t pm_disk_mode; + int (*valid)(suspend_state_t state); int (*prepare)(suspend_state_t state); int (*enter)(suspend_state_t state); int (*finish)(suspend_state_t state); @@ -219,10 +171,11 @@ typedef struct pm_message { struct dev_pm_info { pm_message_t power_state; + unsigned can_wakeup:1; #ifdef CONFIG_PM + unsigned should_wakeup:1; pm_message_t prev_state; void * saved_state; - atomic_t pm_users; struct device * pm_parent; struct list_head entry; #endif @@ -236,13 +189,48 @@ extern void device_resume(void); #ifdef CONFIG_PM extern int device_suspend(pm_message_t state); -#else + +#define device_set_wakeup_enable(dev,val) \ + ((dev)->power.should_wakeup = !!(val)) +#define device_may_wakeup(dev) \ + (device_can_wakeup(dev) && (dev)->power.should_wakeup) + +extern int dpm_runtime_suspend(struct device *, pm_message_t); +extern void dpm_runtime_resume(struct device *); + +#else /* !CONFIG_PM */ + static inline int device_suspend(pm_message_t state) { return 0; } + +#define device_set_wakeup_enable(dev,val) do{}while(0) +#define device_may_wakeup(dev) (0) + +static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state) +{ + return 0; +} + +static inline void dpm_runtime_resume(struct device * dev) +{ + +} + #endif +/* changes to device_may_wakeup take effect on the next pm state change. + * by default, devices should wakeup if they can. + */ +#define device_can_wakeup(dev) \ + ((dev)->power.can_wakeup) +#define device_init_wakeup(dev,val) \ + do { \ + device_can_wakeup(dev) = !!(val); \ + device_set_wakeup_enable(dev,val); \ + } while(0) + #endif /* __KERNEL__ */ #endif /* _LINUX_PM_H */ |