From: Teppei Kamijou <teppei.kamijou.yb@xxxxxxxxxxx> 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@xxxxxxxxxxx> Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@xxxxxxxxxxx> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx> --- drivers/mmc/host/sh_mmcif.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 9a4c151..543f6ce 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); -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
