diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 20 |
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; |