mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay

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: e421f04cd3be ("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>

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 8afeaf81ae6636c8ff8cc370d6858452d8e8a097..833ef0590af81d3c2d0897492beaf9e1542c7926 100644 (file)
--- 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_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->mmc->actual_clock,