usb_get_addr
"hubd_check_ports: addr=0x%x", usb_get_addr(hubd->h_dip));
usb_addr_t address = usb_get_addr(child_dip);
return (usb_get_addr(dip));
"Port%d", usb_get_addr(dip));
int usb_get_addr(dev_info_t *dip);