musb_advance_schedule
musb_advance_schedule(musb, urb, hw_ep, 1);
musb_advance_schedule(musb, urb, hw_ep, USB_DIR_OUT);
musb_advance_schedule(musb, urb, hw_ep, USB_DIR_IN);
musb_advance_schedule(ep->musb, urb, ep, is_in);
musb_advance_schedule(musb, urb, qh->hw_ep, is_in);