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authorKishon Vijay Abraham I <kishon@ti.com>2017-09-21 16:30:04 +0200
committerJaehoon Chung <jh80.chung@samsung.com>2018-01-12 18:11:04 +0900
commit2e7410d76ad11856d09284c18d262d0bb2a3da0c (patch)
treeb9b778cf50594bb1c4449ba341037815e24256f1
parent35f6782055c99410fbeae33ab28ea68de154360c (diff)
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>
-rw-r--r--drivers/mmc/mmc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 664b71affd8..be68d8d9309 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);