1#include <linux/pm_qos.h>
2
3static inline void device_pm_init_common(struct device *dev)
4{
5	if (!dev->power.early_init) {
6		spin_lock_init(&dev->power.lock);
7		dev->power.qos = NULL;
8		dev->power.early_init = true;
9	}
10}
11
12#ifdef CONFIG_PM_RUNTIME
13
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
20extern void pm_runtime_init(struct device *dev);
21extern void pm_runtime_remove(struct device *dev);
22
23#else /* !CONFIG_PM_RUNTIME */
24
25static inline void pm_runtime_early_init(struct device *dev)
26{
27	device_pm_init_common(dev);
28}
29
30static inline void pm_runtime_init(struct device *dev) {}
31static inline void pm_runtime_remove(struct device *dev) {}
32
33#endif /* !CONFIG_PM_RUNTIME */
34
35#ifdef CONFIG_PM_SLEEP
36
37/* kernel/power/main.c */
38extern int pm_async_enabled;
39
40/* drivers/base/power/main.c */
41extern struct list_head dpm_list;	/* The active device list */
42
43static inline struct device *to_device(struct list_head *entry)
44{
45	return container_of(entry, struct device, power.entry);
46}
47
48extern void device_pm_sleep_init(struct device *dev);
49extern void device_pm_add(struct device *);
50extern void device_pm_remove(struct device *);
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 *);
54
55#else /* !CONFIG_PM_SLEEP */
56
57static inline void device_pm_sleep_init(struct device *dev) {}
58
59static inline void device_pm_add(struct device *dev) {}
60
61static inline void device_pm_remove(struct device *dev)
62{
63	pm_runtime_remove(dev);
64}
65
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) {}
71
72#endif /* !CONFIG_PM_SLEEP */
73
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
81#ifdef CONFIG_PM
82
83/*
84 * sysfs.c
85 */
86
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);
92extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
93extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
94extern int pm_qos_sysfs_add_flags(struct device *dev);
95extern void pm_qos_sysfs_remove_flags(struct device *dev);
96
97#else /* CONFIG_PM */
98
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) {}
104static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
105static inline void pm_qos_sysfs_remove(struct device *dev) {}
106
107#endif
108