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Commit 773a9ef8 authored by Ulf Hansson's avatar Ulf Hansson
Browse files

mmc: pwrseq: Add reset callback to the struct mmc_pwrseq_ops 



The ->reset() callback is needed to implement a better support for eMMC HW
reset. The following changes will take advantage of the new callback.

Suggested-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Tested-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
parent dada0194

drivers/mmc/core/pwrseq.c

+8 −0
Original line number Diff line number Diff line
@@ -76,6 +76,14 @@ void mmc_pwrseq_power_off(struct mmc_host *host) 
		pwrseq->ops->power_off(host);

}



void mmc_pwrseq_reset(struct mmc_host *host)

{

	struct mmc_pwrseq *pwrseq = host->pwrseq;



	if (pwrseq && pwrseq->ops->reset)

		pwrseq->ops->reset(host);

}



void mmc_pwrseq_free(struct mmc_host *host)

{

	struct mmc_pwrseq *pwrseq = host->pwrseq;

drivers/mmc/core/pwrseq.h

+3 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 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 {
@@ -36,6 +37,7 @@ 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
@@ -49,6 +51,7 @@ static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; } 
static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {}

static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {}

static inline void mmc_pwrseq_power_off(struct mmc_host *host) {}

static inline void mmc_pwrseq_reset(struct mmc_host *host) {}

static inline void mmc_pwrseq_free(struct mmc_host *host) {}



#endif