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review.shift-gmbh.com / SHIFTPHONES / kernel / common / bed2b42d9f0b411f384c5619870ab0fea5dd116b / . / drivers / base / power / power.h
blob: 0dbfdf4419af8914136060f0b9c88838e4f2db4a [file] [log] [blame]
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]1#include <linux/pm_qos.h>
2
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +0200[diff] [blame]3static inline void device_pm_init_common(struct device *dev)
4{
Rafael J. Wysockibed2b422012-08-06 01:45:11 +0200[diff] [blame^]5 if (!dev->power.early_init) {
6 spin_lock_init(&dev->power.lock);
7 dev->power.power_state = PMSG_INVALID;
8 dev->power.early_init = true;
9 }
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +0200[diff] [blame]10}
11
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]12#ifdef CONFIG_PM_RUNTIME
13
Rafael J. Wysockibed2b422012-08-06 01:45:11 +0200[diff] [blame^]14static 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 +0200[diff] [blame]20extern 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 +0200[diff] [blame^]25static 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 +0200[diff] [blame]30static 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 -0400[diff] [blame]34
Rafael J. Wysocki296699d2007-07-29 23:27:18 +0200[diff] [blame]35#ifdef CONFIG_PM_SLEEP
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +0100[diff] [blame]37/* kernel/power/main.c */
38extern int pm_async_enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39
Rafael J. Wysocki0e06b4a2010-01-23 22:25:15 +0100[diff] [blame]40/* drivers/base/power/main.c */
Rafael J. Wysocki1eede072008-05-20 23:00:01 +0200[diff] [blame]41extern struct list_head dpm_list; /* The active device list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]42
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]43static inline struct device *to_device(struct list_head *entry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]44{
Alan Sterncd59abf2007-09-21 15:36:56 -0400[diff] [blame]45 return container_of(entry, struct device, power.entry);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]46}
47
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +0200[diff] [blame]48extern void device_pm_sleep_init(struct device *dev);
Alan Stern3b98aea2008-08-07 13:06:12 -0400[diff] [blame]49extern void device_pm_add(struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]50extern void device_pm_remove(struct device *);
Cornelia Huckffa6a702009-03-04 12:44:00 +0100[diff] [blame]51extern 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 -0700[diff] [blame]54
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]55#else /* !CONFIG_PM_SLEEP */
56
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +0200[diff] [blame]57static inline void device_pm_sleep_init(struct device *dev) {}
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]58
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]59static inline void device_pm_add(struct device *dev)
60{
61 dev_pm_qos_constraints_init(dev);
62}
63
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]64static inline void device_pm_remove(struct device *dev)
65{
Rafael J. Wysocki1a9a9152011-09-29 22:29:44 +0200[diff] [blame]66 dev_pm_qos_constraints_destroy(dev);
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]67 pm_runtime_remove(dev);
68}
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]69
Cornelia Huckffa6a702009-03-04 12:44:00 +0100[diff] [blame]70static inline void device_pm_move_before(struct device *deva,
71 struct device *devb) {}
72static inline void device_pm_move_after(struct device *deva,
73 struct device *devb) {}
74static inline void device_pm_move_last(struct device *dev) {}
Rafael J. Wysocki775b64d2008-01-12 20:40:46 +0100[diff] [blame]75
Rafael J. Wysocki5e928f72009-08-18 23:38:32 +0200[diff] [blame]76#endif /* !CONFIG_PM_SLEEP */
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]77
Rafael J. Wysockie91c11b2012-08-06 01:44:28 +0200[diff] [blame]78static inline void device_pm_init(struct device *dev)
79{
80 device_pm_init_common(dev);
81 device_pm_sleep_init(dev);
82 pm_runtime_init(dev);
83}
84
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]85#ifdef CONFIG_PM
86
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]87/*
88 * sysfs.c
89 */
90
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +0100[diff] [blame]91extern int dpm_sysfs_add(struct device *dev);
92extern void dpm_sysfs_remove(struct device *dev);
93extern void rpm_sysfs_remove(struct device *dev);
94extern int wakeup_sysfs_add(struct device *dev);
95extern void wakeup_sysfs_remove(struct device *dev);
Rafael J. Wysocki85dc0b82012-03-13 01:01:39 +0100[diff] [blame]96extern int pm_qos_sysfs_add(struct device *dev);
97extern void pm_qos_sysfs_remove(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]98
Daniel Drakedec13c12007-11-21 14:55:18 -0800[diff] [blame]99#else /* CONFIG_PM */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]100
Rafael J. Wysockicb8f51b2011-02-08 23:26:02 +0100[diff] [blame]101static inline int dpm_sysfs_add(struct device *dev) { return 0; }
102static inline void dpm_sysfs_remove(struct device *dev) {}
103static inline void rpm_sysfs_remove(struct device *dev) {}
104static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
105static inline void wakeup_sysfs_remove(struct device *dev) {}
Rafael J. Wysocki85dc0b82012-03-13 01:01:39 +0100[diff] [blame]106static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
107static inline void pm_qos_sysfs_remove(struct device *dev) {}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]108
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]109#endif