From 92ff0c5bc4000d6b2b1bfc8cd40bd1397a03c8ec Mon Sep 17 00:00:00 2001 From: Teppei Kamijou Date: Wed, 12 Dec 2012 15:38:05 +0100 Subject: [PATCH] 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: Teppei Kamijou Signed-off-by: Shinya Kuribayashi Signed-off-by: Guennadi Liakhovetski Signed-off-by: Chris Ball --- drivers/mmc/host/sh_mmcif.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 741aeb95c7a4..8b4e98e2b130 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -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); -- 2.34.1