Symbol: EP0_OUT
drivers/usb/gadget/udc/goku_udc.c
1100
case EP0_OUT:
drivers/usb/gadget/udc/goku_udc.c
1445
dev->ep0state = EP0_OUT;
drivers/usb/gadget/udc/goku_udc.c
420
if (unlikely(ep->num == 0 && ep->dev->ep0state != EP0_OUT))