GR_EP0_SUSPEND
if ((dev->ep0state != GR_EP0_SUSPEND) && !(status & GR_STATUS_SU)) {
gr_set_ep0state(dev, GR_EP0_SUSPEND);
if ((dev->ep0state == GR_EP0_SUSPEND) && (status & GR_STATUS_SU)) {
if (dev->ep0state == GR_EP0_SUSPEND)
if (dev->ep0state == GR_EP0_SUSPEND)
if (dev->ep0state == GR_EP0_SUSPEND) {
[GR_EP0_SUSPEND] = "suspend",