EP0_STNAME
EP0_STNAME(ep->dev));
EP0_STNAME(udc), req, udccsr0, udc_ep_readl(ep, UDCBCR),
EP0_STNAME(ep->dev));
char *old_stname = EP0_STNAME(udc);
EP0_STNAME(udc), udc_ep_readl(ep, UDCCSR),