From: Kishon Vijay Abraham I <kishon@ti.com>
Date: Thu, 21 Sep 2017 14:30:04 +0000 (+0200)
Subject: mmc: disable the mmc clock during power off
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=2e7410d76ad11856d09284c18d262d0bb2a3da0c;p=u-boot.git

mmc: disable the mmc clock during power off

There is no point in having the mmc clock enabled during
power off. Disable the mmc clock. This is similar to how it's
programmed in Linux Kernel.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 664b71affd..be68d8d930 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1971,6 +1971,7 @@ static int mmc_power_on(struct mmc *mmc)
 
 static int mmc_power_off(struct mmc *mmc)
 {
+	mmc_set_clock(mmc, 1, true);
 #if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR)
 	if (mmc->vmmc_supply) {
 		int ret = regulator_set_enable(mmc->vmmc_supply, false);