4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chaotian Jing <chaotian.j...@mediatek.com>

commit 3751e008da0df4384031bd66a516c0292f915605 upstream.

to set cmd internal delay, need set PAD_TUNE register but not PAD_CMD_TUNE
register.

Signed-off-by: Chaotian Jing <chaotian.j...@mediatek.com>
Fixes: 1ede5cb88a29 ("mmc: mediatek: Use data tune for CMD line tune")
Cc: sta...@vger.kernel.org # v4.12+
Signed-off-by: Ulf Hansson <ulf.hans...@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/mmc/host/mtk-sd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -846,7 +846,7 @@ static void msdc_set_mclk(struct msdc_ho
 
        if (timing == MMC_TIMING_MMC_HS400 &&
            host->dev_comp->hs400_tune)
-               sdr_set_field(host->base + PAD_CMD_TUNE,
+               sdr_set_field(host->base + tune_reg,
                              MSDC_PAD_TUNE_CMDRRDLY,
                              host->hs400_cmd_int_delay);
        dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->mmc->actual_clock,


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