RH_INST (dev)->numports = OHCI_INST (dev->controller)->opreg->HcRhDescriptorA & NumberDownstreamPortsMask;
RH_INST (dev)->port = malloc(sizeof(int) * RH_INST (dev)->numports);
RH_INST (dev)->numports = OHCI_INST (dev->controller)->opreg->HcRhDescriptorA & NumberDownstreamPortsMask;
RH_INST (dev)->port = malloc(sizeof(int) * RH_INST (dev)->numports);