linux-kernel - Re: [PATCH] mmc: mediatek: add ops->get

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Message-ID: <CAPDyKFo+UeW4AMFZDN=ob8U9Oj7mZ24ANyT5LQ=ZQ6YxOtRqKQ@mail.gmail.com>
Date:   Tue, 11 Jul 2017 16:43:54 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Chaotian Jing <chaotian.jing@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        yong mao <yong.mao@...iatek.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Javier Martinez Canillas <javier@....samsung.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-mediatek@...ts.infradead.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>
Subject: Re: [PATCH] mmc: mediatek: add ops->get_cd() support

On 3 July 2017 at 08:24, Chaotian Jing <chaotian.jing@...iatek.com> wrote:
> if user plug out sd card slowly, finally card is plugged out but
> cat /proc/partitions can find that card is still exist in kernel.
> that's because alougth get card detect interrupt but CMD13 still
> can get correct response(all other pins are connected expect card
> detect pin).
> add ops->get_cd() can avoid this issue.
>
> Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>

Thanks, applied for next!

Kind regards
Uffe

> ---
>  drivers/mmc/host/mtk-sd.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index 5c1e178..975c765 100644
> --- a/drivers/mmc/host/mtk-sd.c
> +++ b/drivers/mmc/host/mtk-sd.c
> @@ -1585,6 +1585,7 @@ static void msdc_hw_reset(struct mmc_host *mmc)
>         .request = msdc_ops_request,
>         .set_ios = msdc_ops_set_ios,
>         .get_ro = mmc_gpio_get_ro,
> +       .get_cd = mmc_gpio_get_cd,
>         .start_signal_voltage_switch = msdc_ops_switch_volt,
>         .card_busy = msdc_card_busy,
>         .execute_tuning = msdc_execute_tuning,
> --
> 1.8.1.1.dirty
>