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Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +02001#include <linux/pm_qos.h>
2
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +02003static inline void device_pm_init_common(struct device *dev)
4{
5 spin_lock_init(&dev->power.lock);
6 dev->power.power_state = PMSG_INVALID;
7}
8
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +02009#ifdef CONFIG_PM_RUNTIME
10
11extern void pm_runtime_init(struct device *dev);
12extern void pm_runtime_remove(struct device *dev);
13
14#else /* !CONFIG_PM_RUNTIME */
15
16static inline void pm_runtime_init(struct device *dev) {}
17static inline void pm_runtime_remove(struct device *dev) {}
18
19#endif /* !CONFIG_PM_RUNTIME */
Alan Stern3b98aea2008-08-07 13:06:12 -040020
Rafael J. Wysocki296699d2007-07-29 23:27:18 +020021#ifdef CONFIG_PM_SLEEP
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +010023/* kernel/power/main.c */
24extern int pm_async_enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +010026/* drivers/base/power/main.c */
Rafael J. Wysocki1eede072008-05-20 23:00:01 +020027extern struct list_head dpm_list; /* The active device list */
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
Daniel Drakedec13c12007-11-21 14:55:18 -080029static inline struct device *to_device(struct list_head *entry)
Linus Torvalds1da177e2005-04-16 15:20:36 -070030{
Alan Sterncd59abf2007-09-21 15:36:56 -040031 return container_of(entry, struct device, power.entry);
Linus Torvalds1da177e2005-04-16 15:20:36 -070032}
33
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020034extern void device_pm_sleep_init(struct device *dev);
Alan Stern3b98aea2008-08-07 13:06:12 -040035extern void device_pm_add(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070036extern void device_pm_remove(struct device *);
Cornelia Huckffa6a702009-03-04 12:44:00 +010037extern void device_pm_move_before(struct device *, struct device *);
38extern void device_pm_move_after(struct device *, struct device *);
39extern void device_pm_move_last(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020041#else /* !CONFIG_PM_SLEEP */
42
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020043static inline void device_pm_sleep_init(struct device *dev) {}
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020044
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +020045static inline void device_pm_add(struct device *dev)
46{
47 dev_pm_qos_constraints_init(dev);
48}
49
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020050static inline void device_pm_remove(struct device *dev)
51{
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +020052 dev_pm_qos_constraints_destroy(dev);
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020053 pm_runtime_remove(dev);
54}
Daniel Drakedec13c12007-11-21 14:55:18 -080055
Cornelia Huckffa6a702009-03-04 12:44:00 +010056static inline void device_pm_move_before(struct device *deva,
57 struct device *devb) {}
58static inline void device_pm_move_after(struct device *deva,
59 struct device *devb) {}
60static inline void device_pm_move_last(struct device *dev) {}
Rafael J. Wysocki775b64d2008-01-12 20:40:46 +010061
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020062#endif /* !CONFIG_PM_SLEEP */
Daniel Drakedec13c12007-11-21 14:55:18 -080063
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020064static inline void device_pm_init(struct device *dev)
65{
66 device_pm_init_common(dev);
67 device_pm_sleep_init(dev);
68 pm_runtime_init(dev);
69}
70
Daniel Drakedec13c12007-11-21 14:55:18 -080071#ifdef CONFIG_PM
72
Linus Torvalds1da177e2005-04-16 15:20:36 -070073/*
74 * sysfs.c
75 */
76
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +010077extern int dpm_sysfs_add(struct device *dev);
78extern void dpm_sysfs_remove(struct device *dev);
79extern void rpm_sysfs_remove(struct device *dev);
80extern int wakeup_sysfs_add(struct device *dev);
81extern void wakeup_sysfs_remove(struct device *dev);
Rafael J. Wysocki85dc0b82012-03-13 01:01:39 +010082extern int pm_qos_sysfs_add(struct device *dev);
83extern void pm_qos_sysfs_remove(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
Daniel Drakedec13c12007-11-21 14:55:18 -080085#else /* CONFIG_PM */
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +010087static inline int dpm_sysfs_add(struct device *dev) { return 0; }
88static inline void dpm_sysfs_remove(struct device *dev) {}
89static inline void rpm_sysfs_remove(struct device *dev) {}
90static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
91static inline void wakeup_sysfs_remove(struct device *dev) {}
Rafael J. Wysocki85dc0b82012-03-13 01:01:39 +010092static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
93static inline void pm_qos_sysfs_remove(struct device *dev) {}
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
Linus Torvalds1da177e2005-04-16 15:20:36 -070095#endif