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mmc: disable the mmc clock during power off

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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>
This commit is contained in:
Kishon Vijay Abraham I 2017-09-21 16:30:04 +02:00 committed by Jaehoon Chung
parent 35f6782055
commit 2e7410d76a
1 changed files with 1 additions and 0 deletions
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1
drivers/mmc/mmc.c
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@ -1971,6 +1971,7 @@ static int mmc_power_on(struct mmc *mmc)
static int mmc_power_off(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 CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR)
if (mmc->vmmc_supply) { if (mmc->vmmc_supply) {
int ret = regulator_set_enable(mmc->vmmc_supply, false); int ret = regulator_set_enable(mmc->vmmc_supply, false);