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-rw-r--r--drivers/mmc/host/dw_mmc.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index c6caedc2e84..a63766a0bfc 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1997,8 +1997,14 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
if (IS_ERR(host->vmmc)) {
pr_info("%s: no vmmc regulator found\n", mmc_hostname(mmc));
host->vmmc = NULL;
- } else
- regulator_enable(host->vmmc);
+ } else {
+ ret = regulator_enable(host->vmmc);
+ if (ret) {
+ dev_err(host->dev,
+ "failed to enable regulator: %d\n", ret);
+ goto err_setup_bus;
+ }
+ }
if (dw_mci_get_cd(mmc))
set_bit(DW_MMC_CARD_PRESENT, &slot->flags);
@@ -2464,8 +2470,14 @@ int dw_mci_resume(struct dw_mci *host)
{
int i, ret;
- if (host->vmmc)
- regulator_enable(host->vmmc);
+ if (host->vmmc) {
+ ret = regulator_enable(host->vmmc);
+ if (ret) {
+ dev_err(host->dev,
+ "failed to enable regulator: %d\n", ret);
+ return ret;
+ }
+ }
if (!mci_wait_reset(host->dev, host)) {
ret = -ENODEV;