diff options
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 546f1fd84920..2fe9723ff1df 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -138,11 +138,14 @@ static inline void dwc3_omap_writel(void __iomem *base, u32 offset, u32 value) writel(value, base + offset); } -void dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) +int dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) { u32 val; struct dwc3_omap *omap = _omap; + if (!omap) + return -EPROBE_DEFER; + switch (status) { case OMAP_DWC3_ID_GROUND: dev_dbg(omap->dev, "ID GND\n"); @@ -185,7 +188,7 @@ void dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) dev_dbg(omap->dev, "ID float\n"); } - return; + return 0; } EXPORT_SYMBOL_GPL(dwc3_omap_mailbox); |