Merge tag 'stable/for-linus-3.14-rc0-tag' of git://git.kernel.org/pub/scm/linux/kerne...
[deliverable/linux.git] / drivers / base / power / power.h
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1#include <linux/pm_qos.h>
2
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3static inline void device_pm_init_common(struct device *dev)
4{
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5 if (!dev->power.early_init) {
6 spin_lock_init(&dev->power.lock);
37530f2b 7 dev->power.qos = NULL;
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8 dev->power.early_init = true;
9 }
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10}
11
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12#ifdef CONFIG_PM_RUNTIME
13
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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
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20extern void pm_runtime_init(struct device *dev);
21extern void pm_runtime_remove(struct device *dev);
22
23#else /* !CONFIG_PM_RUNTIME */
24
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25static inline void pm_runtime_early_init(struct device *dev)
26{
27 device_pm_init_common(dev);
28}
29
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30static inline void pm_runtime_init(struct device *dev) {}
31static inline void pm_runtime_remove(struct device *dev) {}
32
33#endif /* !CONFIG_PM_RUNTIME */
3b98aeaf 34
296699de 35#ifdef CONFIG_PM_SLEEP
1da177e4 36
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37/* kernel/power/main.c */
38extern int pm_async_enabled;
1da177e4 39
0e06b4a8 40/* drivers/base/power/main.c */
1eede070 41extern struct list_head dpm_list; /* The active device list */
1da177e4 42
dec13c15 43static inline struct device *to_device(struct list_head *entry)
1da177e4 44{
cd59abfc 45 return container_of(entry, struct device, power.entry);
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46}
47
e91c11b1 48extern void device_pm_sleep_init(struct device *dev);
3b98aeaf 49extern void device_pm_add(struct device *);
1da177e4 50extern void device_pm_remove(struct device *);
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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 *);
1da177e4 54
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55#else /* !CONFIG_PM_SLEEP */
56
e91c11b1 57static inline void device_pm_sleep_init(struct device *dev) {}
5e928f77 58
37530f2b 59static inline void device_pm_add(struct device *dev) {}
1a9a9152 60
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61static inline void device_pm_remove(struct device *dev)
62{
63 pm_runtime_remove(dev);
64}
dec13c15 65
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66static 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) {}
775b64d2 71
5e928f77 72#endif /* !CONFIG_PM_SLEEP */
dec13c15 73
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74static 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
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81#ifdef CONFIG_PM
82
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83/*
84 * sysfs.c
85 */
86
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87extern 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);
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92extern 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);
1da177e4 96
dec13c15 97#else /* CONFIG_PM */
1da177e4 98
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99static 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) {}
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104static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
105static inline void pm_qos_sysfs_remove(struct device *dev) {}
1da177e4 106
1da177e4 107#endif
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