summaryrefslogtreecommitdiffstats
path: root/drivers/base/power/power.h
blob: b6b8a273c5da46d0ec3bb3c8dc3902e655a6a78c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
#include <linux/pm_qos.h>

static inline void device_pm_init_common(struct device *dev)
{
	if (!dev->power.early_init) {
		spin_lock_init(&dev->power.lock);
		dev->power.qos = NULL;
		dev->power.early_init = true;
	}
}

#ifdef CONFIG_PM

static inline void pm_runtime_early_init(struct device *dev)
{
	dev->power.disable_depth = 1;
	device_pm_init_common(dev);
}

extern void pm_runtime_init(struct device *dev);
extern void pm_runtime_remove(struct device *dev);

/*
 * sysfs.c
 */

extern int dpm_sysfs_add(struct device *dev);
extern void dpm_sysfs_remove(struct device *dev);
extern void rpm_sysfs_remove(struct device *dev);
extern int wakeup_sysfs_add(struct device *dev);
extern void wakeup_sysfs_remove(struct device *dev);
extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
extern int pm_qos_sysfs_add_flags(struct device *dev);
extern void pm_qos_sysfs_remove_flags(struct device *dev);

#else /* CONFIG_PM */

static inline void pm_runtime_early_init(struct device *dev)
{
	device_pm_init_common(dev);
}

static inline void pm_runtime_init(struct device *dev) {}
static inline void pm_runtime_remove(struct device *dev) {}

static inline int dpm_sysfs_add(struct device *dev) { return 0; }
static inline void dpm_sysfs_remove(struct device *dev) {}
static inline void rpm_sysfs_remove(struct device *dev) {}
static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
static inline void wakeup_sysfs_remove(struct device *dev) {}
static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
static inline void pm_qos_sysfs_remove(struct device *dev) {}

#endif

#ifdef CONFIG_PM_SLEEP

/* kernel/power/main.c */
extern int pm_async_enabled;

/* drivers/base/power/main.c */
extern struct list_head dpm_list;	/* The active device list */

static inline struct device *to_device(struct list_head *entry)
{
	return container_of(entry, struct device, power.entry);
}

extern void device_pm_sleep_init(struct device *dev);
extern void device_pm_add(struct device *);
extern void device_pm_remove(struct device *);
extern void device_pm_move_before(struct device *, struct device *);
extern void device_pm_move_after(struct device *, struct device *);
extern void device_pm_move_last(struct device *);

#else /* !CONFIG_PM_SLEEP */

static inline void device_pm_sleep_init(struct device *dev) {}

static inline void device_pm_add(struct device *dev) {}

static inline void device_pm_remove(struct device *dev)
{
	pm_runtime_remove(dev);
}

static inline void device_pm_move_before(struct device *deva,
					 struct device *devb) {}
static inline void device_pm_move_after(struct device *deva,
					struct device *devb) {}
static inline void device_pm_move_last(struct device *dev) {}

#endif /* !CONFIG_PM_SLEEP */

static inline void device_pm_init(struct device *dev)
{
	device_pm_init_common(dev);
	device_pm_sleep_init(dev);
	pm_runtime_init(dev);
}
OpenPOWER on IntegriCloud