From: Kirill Kapranov <kirill.kapranov@compulab.co.il>
Date: Sat, 9 Oct 2021 20:49:59 +0000 (+0300)
Subject: mmc: Fix mmc_switch excessive timeout
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=44645f87de513468a8c8082d057704df0495d7a4;p=u-boot.git

mmc: Fix mmc_switch excessive timeout

Fix branching to avoid premature falling back on a long timeout instead
of continuation of the initialization attempt.

Clear of the comment to avoid the ambiguity.

Signed-off-by: Kirill Kapranov <kirill.kapranov@compulab.co.il>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Cc: Ye Li <ye.li@nxp.com>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Tested-by: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index ba54b19c14..4d9871d69f 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -819,11 +819,11 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
 		return ret;
 
 	/*
-	 * In cases when not allowed to poll by using CMD13 or because we aren't
+	 * In cases when neiter allowed to poll by using CMD13 nor we are
 	 * 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;
 	}