UHUB_IS_HIGH_SPEED
if (dev->ud_depth > 0 && UHUB_IS_HIGH_SPEED(sc)) {
if (UHUB_IS_HIGH_SPEED(sc) && !UHUB_IS_SINGLE_TT(sc)) {
if (UHUB_IS_HIGH_SPEED(sc) && nports > 0) {
if (UHUB_IS_HIGH_SPEED(sc)) {