From: Haibo Chen <haibo.chen@nxp.com>
Date: Tue, 22 Sep 2020 10:11:42 +0000 (+0800)
Subject: mmc: do not send cmd13 if the parameter 'send_status' is 0 for __mmc_switch
X-Git-Tag: v2025.01-rc5-pxa1908~2177^2~9
X-Git-Url: http://git.dujemihanovic.xyz/%22bddb.css/static/git-logo.png?a=commitdiff_plain;h=ef5ab0d13a7a44469f6c765c8acc8d54c23213de;p=u-boot.git

mmc: do not send cmd13 if the parameter 'send_status' is 0 for __mmc_switch

According to the code logic in __mmc_switch, if the parameter 'send_status'
is zero, no need to send cmd13, just wait the stated timeout time, then
can return directly.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8502503d36..7783535d09 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -805,8 +805,10 @@ 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;
+	}
 
 	/* Finally wait until the card is ready or indicates a failure
 	 * to switch. It doesn't hurt to use CMD13 here even if send_status