PCIY_HT
error = pci_find_cap(child, PCIY_HT, &ptr);
if (pci_find_next_cap(child, PCIY_HT, ptr, &ptr) != 0)
KASSERT(pci_read_config(child, start + PCICAP_ID, 1) == PCIY_HT,
if (pci_find_next_cap(child, PCIY_HT, ptr, &ptr) != 0)
case PCIY_HT: /* HyperTransport */
ptr + PCICAP_ID, 1) != PCIY_HT)
case PCIY_HT: