diff options
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 7 | ||||
| -rw-r--r-- | include/linux/usb/dwc3-omap.h | 6 |
2 files changed, 8 insertions, 5 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); diff --git a/include/linux/usb/dwc3-omap.h b/include/linux/usb/dwc3-omap.h index 51eae14477f7..5615f4d82724 100644 --- a/include/linux/usb/dwc3-omap.h +++ b/include/linux/usb/dwc3-omap.h @@ -19,11 +19,11 @@ enum omap_dwc3_vbus_id_status { }; #if (defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_DWC3_MODULE)) -extern void dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status); +extern int dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status); #else -static inline void dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) +static inline int dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) { - return; + return -ENODEV; } #endif |