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authorTeppei Kamijou <teppei.kamijou.yb@renesas.com>2012-12-12 15:38:05 +0100
committerChris Ball <cjb@laptop.org>2013-02-11 12:51:24 -0500
commit92ff0c5bc4000d6b2b1bfc8cd40bd1397a03c8ec (patch)
tree46608fdf106b3e68905209bc00d88316e3cf1957 /drivers/mmc
parentfbe5fdd12c4cdae61a8c3d371e564371177da86e (diff)
downloadblackbird-op-linux-92ff0c5bc4000d6b2b1bfc8cd40bd1397a03c8ec.tar.gz
blackbird-op-linux-92ff0c5bc4000d6b2b1bfc8cd40bd1397a03c8ec.zip
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 <teppei.kamijou.yb@renesas.com> Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sh_mmcif.c1
1 files changed, 1 insertions, 0 deletions
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);
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