From: jjian zhou <jjian.zhou@xxxxxxxxxxxx> commit 20314ce30af197963b0c239f0952db6aaef73f99 upstream. If cmd19 timeout or response crcerr occurs during execute_tuning(), it need invoke msdc_reset_hw(). Otherwise SDIO IRQ can't be detected. Signed-off-by: jjian zhou <jjian.zhou@xxxxxxxxxxxx> Signed-off-by: Chaotian Jing <chaotian.jing@xxxxxxxxxxxx> Signed-off-by: Yong Mao <yong.mao@xxxxxxxxxxxx> Fixes: 5215b2e952f3 ("mmc: mediatek: Add MMC_CAP_SDIO_IRQ support") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/mmc/host/mtk-sd.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -1003,6 +1003,8 @@ static void msdc_request_done(struct msd msdc_track_cmd_data(host, mrq->cmd, mrq->data); if (mrq->data) msdc_unprepare_data(host, mrq); + if (host->error) + msdc_reset_hw(host); mmc_request_done(host->mmc, mrq); }