1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2024 Linaro Ltd.
4 */
5
6 #ifndef __POWER_SEQUENCING_CONSUMER_H__
7 #define __POWER_SEQUENCING_CONSUMER_H__
8
9 #include <linux/err.h>
10
11 struct device;
12 struct pwrseq_desc;
13
14 #if IS_ENABLED(CONFIG_POWER_SEQUENCING)
15
16 struct pwrseq_desc * __must_check
17 pwrseq_get(struct device *dev, const char *target);
18 void pwrseq_put(struct pwrseq_desc *desc);
19
20 struct pwrseq_desc * __must_check
21 devm_pwrseq_get(struct device *dev, const char *target);
22
23 int pwrseq_power_on(struct pwrseq_desc *desc);
24 int pwrseq_power_off(struct pwrseq_desc *desc);
25
26 #else /* CONFIG_POWER_SEQUENCING */
27
28 static inline struct pwrseq_desc * __must_check
29 pwrseq_get(struct device *dev, const char *target)
30 {
31 return ERR_PTR(-ENOSYS);
32 }
33
34 static inline void pwrseq_put(struct pwrseq_desc *desc)
35 {
36 }
37
38 static inline struct pwrseq_desc * __must_check
39 devm_pwrseq_get(struct device *dev, const char *target)
40 {
41 return ERR_PTR(-ENOSYS);
42 }
43
44 static inline int pwrseq_power_on(struct pwrseq_desc *desc)
45 {
46 return -ENOSYS;
47 }
48
49 static inline int pwrseq_power_off(struct pwrseq_desc *desc)
50 {
51 return -ENOSYS;
52 }
53
54 #endif /* CONFIG_POWER_SEQUENCING */
55
56 #endif /* __POWER_SEQUENCING_CONSUMER_H__ */
57
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.