roothub_a
temp = roothub_a (controller);
ohci->num_ports = roothub_a(ohci) & RH_A_NDP;
val = roothub_a (ohci);
&& (roothub_a (ohci) & RH_A_NDP) > MAX_ROOT_PORTS) {
u32 rh = roothub_a (ohci);
u32 rh = roothub_a (ohci);