CMD_CONF
if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) &
priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF);
if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) &
priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF);
pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq);