include/linux/reset.h


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

#ifndef _LINUX_RESET_H_
#define _LINUX_RESET_H_

struct device;
struct reset_control;

#ifdef CONFIG_RESET_CONTROLLER

int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);

struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
struct reset_control *devm_reset_control_get(struct device *dev, const char *id);

int __must_check device_reset(struct device *dev);

static inline int device_reset_optional(struct device *dev)
{
	return device_reset(dev);
}

static inline struct reset_control *reset_control_get_optional(
					struct device *dev, const char *id)
{
	return reset_control_get(dev, id);
}

static inline struct reset_control *devm_reset_control_get_optional(
					struct device *dev, const char *id)
{
	return devm_reset_control_get(dev, id);
}

#else

static inline int reset_control_reset(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_assert(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_deassert(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline void reset_control_put(struct reset_control *rstc)
{
	WARN_ON(1);
}

static inline int device_reset_optional(struct device *dev)
{
	return -ENOSYS;
}

static inline struct reset_control *reset_control_get_optional(
					struct device *dev, const char *id)
{
	return ERR_PTR(-ENOSYS);
}

static inline struct reset_control *devm_reset_control_get_optional(
					struct device *dev, const char *id)
{
	return ERR_PTR(-ENOSYS);
}

#endif /* CONFIG_RESET_CONTROLLER */

#endif