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From d299ca847ab26f76fcd49eb14aecff9ea37b1bc8 Mon Sep 17 00:00:00 2001
From: Valentine Barshak <valentine.barshak@cogentembedded.com>
Date: Fri, 25 Oct 2019 01:06:46 +0300
Subject: [PATCH] mmc: mmc: Set clock when reverting to safe bus mode
Set MMC clock when reverting to safe bus mode and speed
in case current MMC mode fails. Otherwise, trying out
the other modes may fail as well.
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
drivers/mmc/mmc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 0cecb10..b3f29ee 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -2033,6 +2033,7 @@ error:
mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_1);
mmc_select_mode(mmc, MMC_LEGACY);
+ mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
mmc_set_bus_width(mmc, 1);
}
}
--
2.7.4
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