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    Subject[PATCH 4.19 52/74] mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay
    Date
    4.19-stable review patch.  If anyone has any objections, please let me know.

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

    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
    @@ -784,7 +784,7 @@ 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->sclk, timing);

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