Symbol: IXP_PIO_CTL
sys/dev/pci/pciide.c
8486
pio = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_PIO_CTL);
sys/dev/pci/pciide.c
8548
pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_PIO_CTL, pio);