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.

Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
[hp: fallback to legacy_speed]
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index de3f569da1251ad32bb979c1fe052232ae5890fe..31cfda288587119cf65de3e483be69d6437bcedc 100644 (file)
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -2240,6 +2240,7 @@ 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->legacy_speed, MMC_CLK_ENABLE);
                        mmc_set_bus_width(mmc, 1);
                }
        }