Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_htc_msm8960 / 2b88f2de30510c0f4e623d3cd5fcd85cdb70b51f / . / drivers / base / power / power.h
blob: 9bf62323aaf35778a0d664f5e4c05713bce80d80 [file] [log] [blame]
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]1#include <linux/pm_qos.h>
2
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]3#ifdef CONFIG_PM_RUNTIME
4
5extern void pm_runtime_init(struct device *dev);
6extern void pm_runtime_remove(struct device *dev);
7
8#else /* !CONFIG_PM_RUNTIME */
9
10static inline void pm_runtime_init(struct device *dev) {}
11static inline void pm_runtime_remove(struct device *dev) {}
12
13#endif /* !CONFIG_PM_RUNTIME */
Alan Stern3b98aea2008-08-07 13:06:12 -0400[diff] [blame]14
Rafael J. Wysocki296699d2007-07-29 23:27:18 +0200[diff] [blame]15#ifdef CONFIG_PM_SLEEP
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]16
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +0100[diff] [blame]17/* kernel/power/main.c */
18extern int pm_async_enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]19
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +0100[diff] [blame]20/* drivers/base/power/main.c */
Rafael J. Wysocki1eede072008-05-20 23:00:01 +0200[diff] [blame]21extern struct list_head dpm_list; /* The active device list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]22
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]23static inline struct device *to_device(struct list_head *entry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]24{
Alan Sterncd59abf2007-09-21 15:36:56 -0400[diff] [blame]25 return container_of(entry, struct device, power.entry);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26}
27
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]28extern void device_pm_init(struct device *dev);
Alan Stern3b98aea2008-08-07 13:06:12 -0400[diff] [blame]29extern void device_pm_add(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]30extern void device_pm_remove(struct device *);
Cornelia Huckffa6a702009-03-04 12:44:00 +0100[diff] [blame]31extern void device_pm_move_before(struct device *, struct device *);
32extern void device_pm_move_after(struct device *, struct device *);
33extern void device_pm_move_last(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]34
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]35#else /* !CONFIG_PM_SLEEP */
36
37static inline void device_pm_init(struct device *dev)
38{
Rafael J. Wysocki074037e2010-09-22 22:09:10 +0200[diff] [blame]39 spin_lock_init(&dev->power.lock);
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]40 dev->power.power_state = PMSG_INVALID;
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]41 pm_runtime_init(dev);
42}
43
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]44static inline void device_pm_add(struct device *dev)
45{
46 dev_pm_qos_constraints_init(dev);
47}
48
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]49static inline void device_pm_remove(struct device *dev)
50{
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]51 dev_pm_qos_constraints_destroy(dev);
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]52 pm_runtime_remove(dev);
53}
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]54
Cornelia Huckffa6a702009-03-04 12:44:00 +0100[diff] [blame]55static inline void device_pm_move_before(struct device *deva,
56 struct device *devb) {}
57static inline void device_pm_move_after(struct device *deva,
58 struct device *devb) {}
59static inline void device_pm_move_last(struct device *dev) {}
Rafael J. Wysocki775b64d2008-01-12 20:40:46 +0100[diff] [blame]60
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]61#endif /* !CONFIG_PM_SLEEP */
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]62
63#ifdef CONFIG_PM
64
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]65/*
66 * sysfs.c
67 */
68
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +0100[diff] [blame]69extern int dpm_sysfs_add(struct device *dev);
70extern void dpm_sysfs_remove(struct device *dev);
71extern void rpm_sysfs_remove(struct device *dev);
72extern int wakeup_sysfs_add(struct device *dev);
73extern void wakeup_sysfs_remove(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]74
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]75#else /* CONFIG_PM */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]76
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +0100[diff] [blame]77static inline int dpm_sysfs_add(struct device *dev) { return 0; }
78static inline void dpm_sysfs_remove(struct device *dev) {}
79static inline void rpm_sysfs_remove(struct device *dev) {}
80static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
81static inline void wakeup_sysfs_remove(struct device *dev) {}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]82
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]83#endif