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linux-kernel/linux-7.2.3/include/linux/pwrseq/consumer.h
T
2026-09-06 12:53:21 -06:00

64 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2024 Linaro Ltd.
*/
#ifndef __POWER_SEQUENCING_CONSUMER_H__
#define __POWER_SEQUENCING_CONSUMER_H__
#include <linux/err.h>
struct device;
struct pwrseq_desc;
#if IS_ENABLED(CONFIG_POWER_SEQUENCING)
struct pwrseq_desc * __must_check
pwrseq_get(struct device *dev, const char *target);
void pwrseq_put(struct pwrseq_desc *desc);
struct pwrseq_desc * __must_check
devm_pwrseq_get(struct device *dev, const char *target);
int pwrseq_power_on(struct pwrseq_desc *desc);
int pwrseq_power_off(struct pwrseq_desc *desc);
struct device *pwrseq_to_device(struct pwrseq_desc *desc);
#else /* CONFIG_POWER_SEQUENCING */
static inline struct pwrseq_desc * __must_check
pwrseq_get(struct device *dev, const char *target)
{
return ERR_PTR(-ENOSYS);
}
static inline void pwrseq_put(struct pwrseq_desc *desc)
{
}
static inline struct pwrseq_desc * __must_check
devm_pwrseq_get(struct device *dev, const char *target)
{
return ERR_PTR(-ENOSYS);
}
static inline int pwrseq_power_on(struct pwrseq_desc *desc)
{
return -ENOSYS;
}
static inline int pwrseq_power_off(struct pwrseq_desc *desc)
{
return -ENOSYS;
}
static inline struct device *pwrseq_to_device(struct pwrseq_desc *desc)
{
return NULL;
}
#endif /* CONFIG_POWER_SEQUENCING */
#endif /* __POWER_SEQUENCING_CONSUMER_H__ */