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Commit 9f753f62 authored by Chaotian Jing's avatar Chaotian Jing Committed by Greg Kroah-Hartman
Browse files

mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay 



commit 3751e008da0df4384031bd66a516c0292f915605 upstream.

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

Signed-off-by: default avatarChaotian Jing <chaotian.jing@mediatek.com>
Fixes: 1ede5cb8 ("mmc: mediatek: Use data tune for CMD line tune")
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 65be3226

drivers/mmc/host/mtk-sd.c

+1 −1
Original line number Diff line number Diff line
@@ -784,7 +784,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) 


	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->sclk, timing);