MHU_CHAN_RX_LP
offset = MHU_CHAN_RX_LP;
reg = bus_read_4(sc->res[0], MHU_CHAN_RX_LP + MHU_INTR_STAT);
bus_write_4(sc->res[0], MHU_CHAN_RX_LP + MHU_INTR_CLEAR,