1 #include <linux/pm_qos.h> 2 3 #ifdef CONFIG_PM_RUNTIME 4 5 extern void pm_runtime_init(struct device *dev); 6 extern void pm_runtime_remove(struct device *dev); 7 8 #else /* !CONFIG_PM_RUNTIME */ 9 10 static inline void pm_runtime_init(struct device *dev) {} 11 static inline void pm_runtime_remove(struct device *dev) {} 12 13 #endif /* !CONFIG_PM_RUNTIME */ 14 15 #ifdef CONFIG_PM_SLEEP 16 17 /* kernel/power/main.c */ 18 extern int pm_async_enabled; 19 20 /* drivers/base/power/main.c */ 21 extern struct list_head dpm_list; /* The active device list */ 22 23 static inline struct device *to_device(struct list_head *entry) 24 { 25 return container_of(entry, struct device, power.entry); 26 } 27 28 extern void device_pm_init(struct device *dev); 29 extern void device_pm_add(struct device *); 30 extern void device_pm_remove(struct device *); 31 extern void device_pm_move_before(struct device *, struct device *); 32 extern void device_pm_move_after(struct device *, struct device *); 33 extern void device_pm_move_last(struct device *); 34 35 #else /* !CONFIG_PM_SLEEP */ 36 37 static inline void device_pm_init(struct device *dev) 38 { 39 spin_lock_init(&dev->power.lock); 40 dev->power.power_state = PMSG_INVALID; 41 pm_runtime_init(dev); 42 } 43 44 static inline void device_pm_add(struct device *dev) 45 { 46 dev_pm_qos_constraints_init(dev); 47 } 48 49 static inline void device_pm_remove(struct device *dev) 50 { 51 dev_pm_qos_constraints_destroy(dev); 52 pm_runtime_remove(dev); 53 } 54 55 static inline void device_pm_move_before(struct device *deva, 56 struct device *devb) {} 57 static inline void device_pm_move_after(struct device *deva, 58 struct device *devb) {} 59 static inline void device_pm_move_last(struct device *dev) {} 60 61 #endif /* !CONFIG_PM_SLEEP */ 62 63 #ifdef CONFIG_PM 64 65 /* 66 * sysfs.c 67 */ 68 69 extern int dpm_sysfs_add(struct device *dev); 70 extern void dpm_sysfs_remove(struct device *dev); 71 extern void rpm_sysfs_remove(struct device *dev); 72 extern int wakeup_sysfs_add(struct device *dev); 73 extern void wakeup_sysfs_remove(struct device *dev); 74 extern int pm_qos_sysfs_add(struct device *dev); 75 extern void pm_qos_sysfs_remove(struct device *dev); 76 77 #else /* CONFIG_PM */ 78 79 static inline int dpm_sysfs_add(struct device *dev) { return 0; } 80 static inline void dpm_sysfs_remove(struct device *dev) {} 81 static inline void rpm_sysfs_remove(struct device *dev) {} 82 static inline int wakeup_sysfs_add(struct device *dev) { return 0; } 83 static inline void wakeup_sysfs_remove(struct device *dev) {} 84 static inline int pm_qos_sysfs_add(struct device *dev) { return 0; } 85 static inline void pm_qos_sysfs_remove(struct device *dev) {} 86 87 #endif 88