Commit 20314ce3 authored Jun 17, 2019 by jjian zhou Committed by Ulf Hansson Jun 17, 2019

mmc: mediatek: fix SDIO IRQ detection issue



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: 5215b2e9 ("mmc: mediatek: Add MMC_CAP_SDIO_IRQ support")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent 8a5df8ac

drivers/mmc/host/mtk-sd.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1023,6 +1023,8 @@ static void msdc_request_done(struct msdc_host host, struct mmc_request mrq)
		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);
		}