4.20-stable review patch. If anyone has any objections, please let me know.
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From: Chaotian Jing chaotian.jing@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.jing@mediatek.com Fixes: 1ede5cb88a29 ("mmc: mediatek: Use data tune for CMD line tune") Cc: stable@vger.kernel.org # v4.12+ Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@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,