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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{
Rafael J. Wysockibed2b422012-08-06 01:45:11 +02005 if (!dev->power.early_init) {
6 spin_lock_init(&dev->power.lock);
Rafael J. Wysocki37530f22013-03-04 14:22:57 +01007 dev->power.qos = NULL;
Rafael J. Wysockibed2b422012-08-06 01:45:11 +02008 dev->power.early_init = true;
9 }
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020010}
11
Rafael J. Wysockid30d8192014-11-27 22:38:05 +010012#ifdef CONFIG_PM
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020013
Rafael J. Wysockibed2b422012-08-06 01:45:11 +020014static inline void pm_runtime_early_init(struct device *dev)
15{
16 dev->power.disable_depth = 1;
17 device_pm_init_common(dev);
18}
19
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020020extern void pm_runtime_init(struct device *dev);
21extern void pm_runtime_remove(struct device *dev);
22
Rafael J. Wysockid30d8192014-11-27 22:38:05 +010023/*
24 * sysfs.c
25 */
26
27extern int dpm_sysfs_add(struct device *dev);
28extern void dpm_sysfs_remove(struct device *dev);
29extern void rpm_sysfs_remove(struct device *dev);
30extern int wakeup_sysfs_add(struct device *dev);
31extern void wakeup_sysfs_remove(struct device *dev);
32extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
33extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
34extern int pm_qos_sysfs_add_flags(struct device *dev);
35extern void pm_qos_sysfs_remove_flags(struct device *dev);
36
37#else /* CONFIG_PM */
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020038
Rafael J. Wysockibed2b422012-08-06 01:45:11 +020039static inline void pm_runtime_early_init(struct device *dev)
40{
41 device_pm_init_common(dev);
42}
43
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020044static inline void pm_runtime_init(struct device *dev) {}
45static inline void pm_runtime_remove(struct device *dev) {}
46
Rafael J. Wysockid30d8192014-11-27 22:38:05 +010047static inline int dpm_sysfs_add(struct device *dev) { return 0; }
48static inline void dpm_sysfs_remove(struct device *dev) {}
49static inline void rpm_sysfs_remove(struct device *dev) {}
50static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
51static inline void wakeup_sysfs_remove(struct device *dev) {}
52static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
53static inline void pm_qos_sysfs_remove(struct device *dev) {}
54
55#endif
Alan Stern3b98aea2008-08-07 13:06:12 -040056
Rafael J. Wysocki296699d2007-07-29 23:27:18 +020057#ifdef CONFIG_PM_SLEEP
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +010059/* kernel/power/main.c */
60extern int pm_async_enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -070061
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +010062/* drivers/base/power/main.c */
Rafael J. Wysocki1eede072008-05-20 23:00:01 +020063extern struct list_head dpm_list; /* The active device list */
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
Daniel Drakedec13c12007-11-21 14:55:18 -080065static inline struct device *to_device(struct list_head *entry)
Linus Torvalds1da177e2005-04-16 15:20:36 -070066{
Alan Sterncd59abf2007-09-21 15:36:56 -040067 return container_of(entry, struct device, power.entry);
Linus Torvalds1da177e2005-04-16 15:20:36 -070068}
69
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020070extern void device_pm_sleep_init(struct device *dev);
Alan Stern3b98aea2008-08-07 13:06:12 -040071extern void device_pm_add(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070072extern void device_pm_remove(struct device *);
Cornelia Huckffa6a702009-03-04 12:44:00 +010073extern void device_pm_move_before(struct device *, struct device *);
74extern void device_pm_move_after(struct device *, struct device *);
75extern void device_pm_move_last(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070076
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020077#else /* !CONFIG_PM_SLEEP */
78
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020079static inline void device_pm_sleep_init(struct device *dev) {}
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020080
Rafael J. Wysocki37530f22013-03-04 14:22:57 +010081static inline void device_pm_add(struct device *dev) {}
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +020082
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020083static inline void device_pm_remove(struct device *dev)
84{
85 pm_runtime_remove(dev);
86}
Daniel Drakedec13c12007-11-21 14:55:18 -080087
Cornelia Huckffa6a702009-03-04 12:44:00 +010088static inline void device_pm_move_before(struct device *deva,
89 struct device *devb) {}
90static inline void device_pm_move_after(struct device *deva,
91 struct device *devb) {}
92static inline void device_pm_move_last(struct device *dev) {}
Rafael J. Wysocki775b64d2008-01-12 20:40:46 +010093
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020094#endif /* !CONFIG_PM_SLEEP */
Daniel Drakedec13c12007-11-21 14:55:18 -080095
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020096static inline void device_pm_init(struct device *dev)
97{
98 device_pm_init_common(dev);
99 device_pm_sleep_init(dev);
100 pm_runtime_init(dev);
101}