Release 4.14 drivers/mmc/core/pwrseq.h

/*
 * Copyright (C) 2014 Linaro Ltd
 *
 * Author: Ulf Hansson <ulf.hansson@linaro.org>
 *
 * License terms: GNU General Public License (GPL) version 2
 */
#ifndef _MMC_CORE_PWRSEQ_H

#define _MMC_CORE_PWRSEQ_H

#include <linux/types.h>

struct mmc_host;
struct device;
struct module;


struct mmc_pwrseq_ops {
	
void (*pre_power_on)(struct mmc_host *host);
	
void (*post_power_on)(struct mmc_host *host);
	
void (*power_off)(struct mmc_host *host);
	
void (*reset)(struct mmc_host *host);
};


struct mmc_pwrseq {
	
const struct mmc_pwrseq_ops *ops;
	
struct device *dev;
	
struct list_head pwrseq_node;
	
struct module *owner;
};

#ifdef CONFIG_OF

int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq);
void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq);

int mmc_pwrseq_alloc(struct mmc_host *host);
void mmc_pwrseq_pre_power_on(struct mmc_host *host);
void mmc_pwrseq_post_power_on(struct mmc_host *host);
void mmc_pwrseq_power_off(struct mmc_host *host);
void mmc_pwrseq_reset(struct mmc_host *host);
void mmc_pwrseq_free(struct mmc_host *host);

#else



static inline int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq)
{
	return -ENOSYS;
}
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static inline void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq) {}
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static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; }
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static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {}
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static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {}
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static inline void mmc_pwrseq_power_off(struct mmc_host *host) {}
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static inline void mmc_pwrseq_reset(struct mmc_host *host) {}
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static inline void mmc_pwrseq_free(struct mmc_host *host) {}

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#endif

#endif
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Directory: drivers/mmc/core

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