blob: cfc3226ec4928dee99ff95540eed87af1058d5af [file] [log] [blame]
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. Wysocki5e928f72009-08-18 23:38:32 +020012#ifdef CONFIG_PM_RUNTIME
13
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
23#else /* !CONFIG_PM_RUNTIME */
24
Rafael J. Wysockibed2b422012-08-06 01:45:11 +020025static inline void pm_runtime_early_init(struct device *dev)
26{
27 device_pm_init_common(dev);
28}
29
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020030static inline void pm_runtime_init(struct device *dev) {}
31static inline void pm_runtime_remove(struct device *dev) {}
32
33#endif /* !CONFIG_PM_RUNTIME */
Alan Stern3b98aea2008-08-07 13:06:12 -040034
Rafael J. Wysocki296699d2007-07-29 23:27:18 +020035#ifdef CONFIG_PM_SLEEP
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +010037/* kernel/power/main.c */
38extern int pm_async_enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +010040/* drivers/base/power/main.c */
Rafael J. Wysocki1eede072008-05-20 23:00:01 +020041extern struct list_head dpm_list; /* The active device list */
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
Daniel Drakedec13c12007-11-21 14:55:18 -080043static inline struct device *to_device(struct list_head *entry)
Linus Torvalds1da177e2005-04-16 15:20:36 -070044{
Alan Sterncd59abf2007-09-21 15:36:56 -040045 return container_of(entry, struct device, power.entry);
Linus Torvalds1da177e2005-04-16 15:20:36 -070046}
47
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020048extern void device_pm_sleep_init(struct device *dev);
Alan Stern3b98aea2008-08-07 13:06:12 -040049extern void device_pm_add(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070050extern void device_pm_remove(struct device *);
Cornelia Huckffa6a702009-03-04 12:44:00 +010051extern 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 *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020055#else /* !CONFIG_PM_SLEEP */
56
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020057static inline void device_pm_sleep_init(struct device *dev) {}
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020058
Rafael J. Wysocki37530f22013-03-04 14:22:57 +010059static inline void device_pm_add(struct device *dev) {}
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +020060
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020061static inline void device_pm_remove(struct device *dev)
62{
63 pm_runtime_remove(dev);
64}
Daniel Drakedec13c12007-11-21 14:55:18 -080065
Cornelia Huckffa6a702009-03-04 12:44:00 +010066static 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) {}
Rafael J. Wysocki775b64d2008-01-12 20:40:46 +010071
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +020072#endif /* !CONFIG_PM_SLEEP */
Daniel Drakedec13c12007-11-21 14:55:18 -080073
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +020074static 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
Daniel Drakedec13c12007-11-21 14:55:18 -080081#ifdef CONFIG_PM
82
Linus Torvalds1da177e2005-04-16 15:20:36 -070083/*
84 * sysfs.c
85 */
86
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +010087extern 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);
Rafael J. Wysockie39473d2012-10-24 02:08:18 +020092extern int pm_qos_sysfs_add_latency(struct device *dev);
93extern void pm_qos_sysfs_remove_latency(struct device *dev);
94extern int pm_qos_sysfs_add_flags(struct device *dev);
95extern void pm_qos_sysfs_remove_flags(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070096
Daniel Drakedec13c12007-11-21 14:55:18 -080097#else /* CONFIG_PM */
Linus Torvalds1da177e2005-04-16 15:20:36 -070098
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +010099static 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) {}
Rafael J. Wysocki85dc0b82012-03-13 01:01:39 +0100104static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
105static inline void pm_qos_sysfs_remove(struct device *dev) {}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107#endif