+ spin_unlock_irqrestore(udc->lock, flags);
+ retval = usb_ep_enable(&udc->ep0out.ep, &ctrl_endpt_out_desc);
+ if (retval)
+ return retval;
+ retval = usb_ep_enable(&udc->ep0in.ep, &ctrl_endpt_in_desc);
+ if (retval)
+ return retval;
+ spin_lock_irqsave(udc->lock, flags);