INT_NO_REG
temp = bus_space_read_1(iot, ioh, INT_NO_REG);
bus_space_write_1(iot, ioh, INT_NO_REG, (temp & 0xf8) | sc->mappedirq);
temp = bus_space_read_1(iot, ioh, INT_NO_REG);
bus_space_write_1(iot, ioh, INT_NO_REG, (temp & 0xf8) | sc->mappedirq);
temp = bus_space_read_1(iot, ioh, INT_NO_REG);