iic_intr_string
printf(" %s", iic_intr_string(sc->sc_tag, ia->ia_intr));
printf(" %s", iic_intr_string(sc->sc_tag, ia->ia_intr));
printf(" %s", iic_intr_string(sc->sc_tag, ia->ia_intr));
printf(" %s", iic_intr_string(sc->sc_tag, ia->ia_intr));