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path: root/drivers/usb/dwc2/hcd.c
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Diffstat (limited to 'drivers/usb/dwc2/hcd.c')
-rw-r--r--drivers/usb/dwc2/hcd.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 190f95964000..c51b73b3e048 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -358,9 +358,14 @@ static void dwc2_gusbcfg_init(struct dwc2_hsotg *hsotg)
static int dwc2_vbus_supply_init(struct dwc2_hsotg *hsotg)
{
+ int ret;
+
hsotg->vbus_supply = devm_regulator_get_optional(hsotg->dev, "vbus");
- if (IS_ERR(hsotg->vbus_supply))
- return 0;
+ if (IS_ERR(hsotg->vbus_supply)) {
+ ret = PTR_ERR(hsotg->vbus_supply);
+ hsotg->vbus_supply = NULL;
+ return ret == -ENODEV ? 0 : ret;
+ }
return regulator_enable(hsotg->vbus_supply);
}
@@ -4342,9 +4347,7 @@ static int _dwc2_hcd_start(struct usb_hcd *hcd)
spin_unlock_irqrestore(&hsotg->lock, flags);
- dwc2_vbus_supply_init(hsotg);
-
- return 0;
+ return dwc2_vbus_supply_init(hsotg);
}
/*