linux-kernel - Re: [PATCH] mmc: mediatek: fix incorrect register setting of hs400_cmd_int

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Message-ID: <CAPDyKFoWDDrNx0+k+4AuXAThxLizmvXUUMHqmA0Cy2OgVm6iKA@mail.gmail.com>
Date:   Mon, 28 Jan 2019 13:03:15 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Chaotian Jing <chaotian.jing@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Yong Mao <yong.mao@...iatek.com>,
        jjian zhou <jjian.zhou@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-mediatek@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>
Subject: Re: [PATCH] mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay

On Wed, 23 Jan 2019 at 13:05, Chaotian Jing <chaotian.jing@...iatek.com> wrote:
>
> to set cmd internal delay, need set PAD_TUNE register but not PAD_CMD_TUNE
> register.
>
> Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>

Applied for fixes, adding a fixes+stable tag, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/mtk-sd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index 8afeaf8..833ef05 100644
> --- 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,
> --
> 1.8.1.1.dirty
>