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61fc4131 PZ |
1 | #ifndef _LINUX_RESET_H_ |
2 | #define _LINUX_RESET_H_ | |
3 | ||
4 | struct device; | |
5 | struct reset_control; | |
6 | ||
b424080a PZ |
7 | #ifdef CONFIG_RESET_CONTROLLER |
8 | ||
61fc4131 PZ |
9 | int reset_control_reset(struct reset_control *rstc); |
10 | int reset_control_assert(struct reset_control *rstc); | |
11 | int reset_control_deassert(struct reset_control *rstc); | |
12 | ||
13 | struct reset_control *reset_control_get(struct device *dev, const char *id); | |
14 | void reset_control_put(struct reset_control *rstc); | |
15 | struct reset_control *devm_reset_control_get(struct device *dev, const char *id); | |
16 | ||
b424080a PZ |
17 | int __must_check device_reset(struct device *dev); |
18 | ||
19 | static inline int device_reset_optional(struct device *dev) | |
20 | { | |
21 | return device_reset(dev); | |
22 | } | |
23 | ||
24 | static inline struct reset_control *reset_control_get_optional( | |
25 | struct device *dev, const char *id) | |
26 | { | |
27 | return reset_control_get(dev, id); | |
28 | } | |
29 | ||
30 | static inline struct reset_control *devm_reset_control_get_optional( | |
31 | struct device *dev, const char *id) | |
32 | { | |
33 | return devm_reset_control_get(dev, id); | |
34 | } | |
35 | ||
36 | #else | |
37 | ||
38 | static inline int reset_control_reset(struct reset_control *rstc) | |
39 | { | |
40 | WARN_ON(1); | |
41 | return 0; | |
42 | } | |
43 | ||
44 | static inline int reset_control_assert(struct reset_control *rstc) | |
45 | { | |
46 | WARN_ON(1); | |
47 | return 0; | |
48 | } | |
49 | ||
50 | static inline int reset_control_deassert(struct reset_control *rstc) | |
51 | { | |
52 | WARN_ON(1); | |
53 | return 0; | |
54 | } | |
55 | ||
56 | static inline void reset_control_put(struct reset_control *rstc) | |
57 | { | |
58 | WARN_ON(1); | |
59 | } | |
60 | ||
61 | static inline int device_reset_optional(struct device *dev) | |
62 | { | |
63 | return -ENOSYS; | |
64 | } | |
65 | ||
66 | static inline struct reset_control *reset_control_get_optional( | |
67 | struct device *dev, const char *id) | |
68 | { | |
69 | return ERR_PTR(-ENOSYS); | |
70 | } | |
71 | ||
72 | static inline struct reset_control *devm_reset_control_get_optional( | |
73 | struct device *dev, const char *id) | |
74 | { | |
75 | return ERR_PTR(-ENOSYS); | |
76 | } | |
77 | ||
78 | #endif /* CONFIG_RESET_CONTROLLER */ | |
61fc4131 PZ |
79 | |
80 | #endif |