FLIPPER_REGSIZE
bus_space_map(caa->cp_iot, 0, FLIPPER_REGSIZE, 0, &ioh);
bus_space_unmap(caa->cp_iot, ioh, FLIPPER_REGSIZE);
if (bus_space_map(sc->sc_iot, 0, FLIPPER_REGSIZE, 0, &sc->sc_ioh)) {