From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Fri, 6 Nov 2020 11:30:41 +0000 (+0900)
Subject: mmc: check a return value about regulator's always-on
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-favicon.png?a=commitdiff_plain;h=b3dc016caade00e07d5ae45042c9be42f611d625;p=u-boot.git

mmc: check a return value about regulator's always-on

Regulator can be set to "always-on".
It's not error about enable/disable. It needs to check about
its condition.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 54dcfb7003..a6394bcf30 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -2720,7 +2720,7 @@ static int mmc_power_on(struct mmc *mmc)
 	if (mmc->vmmc_supply) {
 		int ret = regulator_set_enable(mmc->vmmc_supply, true);
 
-		if (ret) {
+		if (ret && ret != -EACCES) {
 			printf("Error enabling VMMC supply : %d\n", ret);
 			return ret;
 		}
@@ -2736,7 +2736,7 @@ static int mmc_power_off(struct mmc *mmc)
 	if (mmc->vmmc_supply) {
 		int ret = regulator_set_enable(mmc->vmmc_supply, false);
 
-		if (ret) {
+		if (ret && ret != -EACCES) {
 			pr_debug("Error disabling VMMC supply : %d\n", ret);
 			return ret;
 		}