From: Ye Li <ye.li@nxp.com>
Date: Tue, 17 Aug 2021 09:20:33 +0000 (+0800)
Subject: mmc: fix switch issue with send_status disabled
X-Git-Tag: v2021.10~25^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3f4e52fc9d81e95ee90f6be7b05ca62fc8c7c1e3;p=platform%2Fkernel%2Fu-boot.git

mmc: fix switch issue with send_status disabled

When send_status is false or wait_dat0 is not supported, the switch
function should not send CMD13 but directly return.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index bd34897..6f767cb 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -823,7 +823,7 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
 	 * capable of polling by using mmc_wait_dat0, then rely on waiting the
 	 * stated timeout to be sufficient.
 	 */
-	if (ret == -ENOSYS && !send_status) {
+	if (ret == -ENOSYS || !send_status) {
 		mdelay(timeout_ms);
 		return 0;
 	}