1#include <linux/pm_qos.h> 2 3static inline void device_pm_init_common(struct device *dev) 4{ 5 if (!dev->power.early_init) { 6 spin_lock_init(&dev->power.lock); 7 dev->power.qos = NULL; 8 dev->power.early_init = true; 9 } 10} 11 12#ifdef CONFIG_PM_RUNTIME 13 14static inline void pm_runtime_early_init(struct device *dev) 15{ 16 dev->power.disable_depth = 1; 17 device_pm_init_common(dev); 18} 19 20extern void pm_runtime_init(struct device *dev); 21extern void pm_runtime_remove(struct device *dev); 22 23#else /* !CONFIG_PM_RUNTIME */ 24 25static inline void pm_runtime_early_init(struct device *dev) 26{ 27 device_pm_init_common(dev); 28} 29 30static inline void pm_runtime_init(struct device *dev) {} 31static inline void pm_runtime_remove(struct device *dev) {} 32 33#endif /* !CONFIG_PM_RUNTIME */ 34 35#ifdef CONFIG_PM_SLEEP 36 37/* kernel/power/main.c */ 38extern int pm_async_enabled; 39 40/* drivers/base/power/main.c */ 41extern struct list_head dpm_list; /* The active device list */ 42 43static inline struct device *to_device(struct list_head *entry) 44{ 45 return container_of(entry, struct device, power.entry); 46} 47 48extern void device_pm_sleep_init(struct device *dev); 49extern void device_pm_add(struct device *); 50extern void device_pm_remove(struct device *); 51extern void device_pm_move_before(struct device *, struct device *); 52extern void device_pm_move_after(struct device *, struct device *); 53extern void device_pm_move_last(struct device *); 54 55#else /* !CONFIG_PM_SLEEP */ 56 57static inline void device_pm_sleep_init(struct device *dev) {} 58 59static inline void device_pm_add(struct device *dev) {} 60 61static inline void device_pm_remove(struct device *dev) 62{ 63 pm_runtime_remove(dev); 64} 65 66static inline void device_pm_move_before(struct device *deva, 67 struct device *devb) {} 68static inline void device_pm_move_after(struct device *deva, 69 struct device *devb) {} 70static inline void device_pm_move_last(struct device *dev) {} 71 72#endif /* !CONFIG_PM_SLEEP */ 73 74static inline void device_pm_init(struct device *dev) 75{ 76 device_pm_init_common(dev); 77 device_pm_sleep_init(dev); 78 pm_runtime_init(dev); 79} 80 81#ifdef CONFIG_PM 82 83/* 84 * sysfs.c 85 */ 86 87extern int dpm_sysfs_add(struct device *dev); 88extern void dpm_sysfs_remove(struct device *dev); 89extern void rpm_sysfs_remove(struct device *dev); 90extern int wakeup_sysfs_add(struct device *dev); 91extern void wakeup_sysfs_remove(struct device *dev); 92extern int pm_qos_sysfs_add_resume_latency(struct device *dev); 93extern void pm_qos_sysfs_remove_resume_latency(struct device *dev); 94extern int pm_qos_sysfs_add_flags(struct device *dev); 95extern void pm_qos_sysfs_remove_flags(struct device *dev); 96 97#else /* CONFIG_PM */ 98 99static inline int dpm_sysfs_add(struct device *dev) { return 0; } 100static inline void dpm_sysfs_remove(struct device *dev) {} 101static inline void rpm_sysfs_remove(struct device *dev) {} 102static inline int wakeup_sysfs_add(struct device *dev) { return 0; } 103static inline void wakeup_sysfs_remove(struct device *dev) {} 104static inline int pm_qos_sysfs_add(struct device *dev) { return 0; } 105static inline void pm_qos_sysfs_remove(struct device *dev) {} 106 107#endif 108