| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 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 |