EHCI_MAX_RH_PORTS
if ((capability & EHCI_HCS_NUM_PORTS) > EHCI_MAX_RH_PORTS) {
uint32_t ehci_rh_port_status[EHCI_MAX_RH_PORTS];
uint_t rh_port_status[EHCI_MAX_RH_PORTS];
uint_t rh_port_state[EHCI_MAX_RH_PORTS];