On 3 January 2017 at 09:49, Yong Mao <yong.mao@xxxxxxxxxxxx> wrote: > From: yong mao <yong.mao@xxxxxxxxxxxx> > > msdc_card_busy only need check if the data0 is low. > In sdio data1 irq mode, data1 may be low because of interruption. > > Signed-off-by: Yong Mao <yong.mao@xxxxxxxxxxxx> > Signed-off-by: Chaotian Jing <chaotian.jing@xxxxxxxxxxxx> Thanks, applied for next! Kind regards Uffe > --- > drivers/mmc/host/mtk-sd.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c > index 10ef2ae..80ba034 100644 > --- a/drivers/mmc/host/mtk-sd.c > +++ b/drivers/mmc/host/mtk-sd.c > @@ -1074,11 +1074,8 @@ static int msdc_card_busy(struct mmc_host *mmc) > struct msdc_host *host = mmc_priv(mmc); > u32 status = readl(host->base + MSDC_PS); > > - /* check if any pin between dat[0:3] is low */ > - if (((status >> 16) & 0xf) != 0xf) > - return 1; > - > - return 0; > + /* only check if data0 is low */ > + return !(status & BIT(16)); > } > > static void msdc_request_timeout(struct work_struct *work) > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
