| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.1 005/121] mmc: mediatek: fix SDIO IRQ detection issue | Date | Mon, 24 Jun 2019 17:55:37 +0800 |
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From: jjian zhou <jjian.zhou@mediatek.com>
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@mediatek.com> Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> Signed-off-by: Yong Mao <yong.mao@mediatek.com> Fixes: 5215b2e952f3 ("mmc: mediatek: Add MMC_CAP_SDIO_IRQ support") Cc: stable@vger.kernel.org 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, 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); }
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