diff options
| -rw-r--r-- | drivers/usb/gadget/fsl_udc_core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index dcd0b07..a2f26cd 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1219,6 +1219,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int is_on) struct fsl_udc *udc; udc = container_of(gadget, struct fsl_udc, gadget); + + if (!udc->vbus_active) + return -EOPNOTSUPP; + udc->softconnect = (is_on != 0); if (can_pullup(udc)) fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP), |