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