enable vmmc_aux regulator only if it is in disabled state and disable
vmmc_aux regulator only if it is in enabled state.
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 58bda42..001f8a0 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -258,7 +258,7 @@ static int omap_hsmmc_enable_supply(struct mmc_host *mmc, int vdd)
}
/* Enable interface voltage rail, if needed */
- if (mmc->supply.vqmmc) {
+ if (mmc->supply.vqmmc && !regulator_is_enabled(mmc->supply.vqmmc)) {
ret = regulator_enable(mmc->supply.vqmmc);
if (ret) {
dev_err(mmc_dev(mmc), "vmmc_aux reg enable failed\n");
@@ -280,7 +280,7 @@ static int omap_hsmmc_disable_supply(struct mmc_host *mmc)
int ret;
int status;
- if (mmc->supply.vqmmc) {
+ if (mmc->supply.vqmmc && regulator_is_enabled(mmc->supply.vqmmc)) {
ret = regulator_disable(mmc->supply.vqmmc);
if (ret) {
dev_err(mmc_dev(mmc), "vmmc_aux reg disable failed\n");
--
1.7.9.5
--
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