diff options
| -rw-r--r-- | drivers/usb/phy/phy-twl6030-usb.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c index 8cd6cf49bdbd..e841474d07b8 100644 --- a/drivers/usb/phy/phy-twl6030-usb.c +++ b/drivers/usb/phy/phy-twl6030-usb.c @@ -211,6 +211,7 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl) struct twl6030_usb *twl = _twl; enum omap_musb_vbus_id_status status = OMAP_MUSB_UNKNOWN; u8 vbus_state, hw_state; + int ret; hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS); @@ -218,7 +219,10 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl) CONTROLLER_STAT1); if (!(hw_state & STS_USB_ID)) { if (vbus_state & VBUS_DET) { - regulator_enable(twl->usb3v3); + ret = regulator_enable(twl->usb3v3); + if (ret) + dev_err(twl->dev, "Failed to enable usb3v3\n"); + twl->asleep = 1; status = OMAP_MUSB_VBUS_VALID; twl->linkstat = status; @@ -245,12 +249,15 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl) struct twl6030_usb *twl = _twl; enum omap_musb_vbus_id_status status = OMAP_MUSB_UNKNOWN; u8 hw_state; + int ret; hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS); if (hw_state & STS_USB_ID) { + ret = regulator_enable(twl->usb3v3); + if (ret) + dev_err(twl->dev, "Failed to enable usb3v3\n"); - regulator_enable(twl->usb3v3); twl->asleep = 1; twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_CLR); twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_SET); |