提交 92ff0c5b 编写于 作者: T Teppei Kamijou 提交者: Chris Ball

mmc: sh_mmcif: force to fail CMD52 immediately

mmc_rescan() sends CMD52 (SD_IO_RW_DIRECT) to reset SDIO card during
card detection. CMD52 should be ignored by SD/eMMC cards, but we can
also abort it in the driver immediately, since MMCIF doesn't support
SDIO cards anyway.
Signed-off-by: NTeppei Kamijou <teppei.kamijou.yb@renesas.com>
Signed-off-by: NShinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NChris Ball <cjb@laptop.org>
上级 fbe5fdd1
......@@ -911,6 +911,7 @@ static void sh_mmcif_request(struct mmc_host *mmc, struct mmc_request *mrq)
if ((mrq->cmd->flags & MMC_CMD_MASK) != MMC_CMD_BCR)
break;
case MMC_APP_CMD:
case SD_IO_RW_DIRECT:
host->state = STATE_IDLE;
mrq->cmd->error = -ETIMEDOUT;
mmc_request_done(mmc, mrq);
......
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