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mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay

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commit 3751e008da 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: 1ede5cb88a ("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>
This commit is contained in:
Chaotian Jing
2019-01-23 20:05:25 +08:00
committed by Greg Kroah-Hartman
parent 65be3226f0
commit 9f753f62f6
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/mtk-sd.c
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@@ -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);