RTW_INTR_ATIMINT
PRINTINTR(RTW_INTR_ATIMINT);
if ((isr & RTW_INTR_ATIMINT) != 0)
sc->sc_inten = RTW_INTR_RX|RTW_INTR_TX|RTW_INTR_BEACON|RTW_INTR_ATIMINT;