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: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
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@ -76,6 +76,14 @@ void mmc_pwrseq_power_off(struct mmc_host *host)
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pwrseq->ops->power_off(host);
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}
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void mmc_pwrseq_reset(struct mmc_host *host)
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{
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struct mmc_pwrseq *pwrseq = host->pwrseq;
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if (pwrseq && pwrseq->ops->reset)
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pwrseq->ops->reset(host);
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}
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void mmc_pwrseq_free(struct mmc_host *host)
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{
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struct mmc_pwrseq *pwrseq = host->pwrseq;
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@ -18,6 +18,7 @@ struct mmc_pwrseq_ops {
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void (*pre_power_on)(struct mmc_host *host);
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void (*post_power_on)(struct mmc_host *host);
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void (*power_off)(struct mmc_host *host);
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void (*reset)(struct mmc_host *host);
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};
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struct mmc_pwrseq {
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@ -36,6 +37,7 @@ int mmc_pwrseq_alloc(struct mmc_host *host);
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void mmc_pwrseq_pre_power_on(struct mmc_host *host);
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void mmc_pwrseq_post_power_on(struct mmc_host *host);
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void mmc_pwrseq_power_off(struct mmc_host *host);
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void mmc_pwrseq_reset(struct mmc_host *host);
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void mmc_pwrseq_free(struct mmc_host *host);
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#else
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@ -49,6 +51,7 @@ 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
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