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@xxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
drivers/mmc/core/pwrseq.c | 8 ++++++++
drivers/mmc/core/pwrseq.h | 3 +++
2 files changed, 11 insertions(+)
diff --git a/drivers/mmc/core/pwrseq.c b/drivers/mmc/core/pwrseq.c
index 9386c47..e3ad30f 100644
--- a/drivers/mmc/core/pwrseq.c
+++ b/drivers/mmc/core/pwrseq.c
@@ -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;
diff --git a/drivers/mmc/core/pwrseq.h b/drivers/mmc/core/pwrseq.h
index 39c911a..819386f 100644
--- a/drivers/mmc/core/pwrseq.h
+++ b/drivers/mmc/core/pwrseq.h
@@ -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
--
2.7.4
--
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