BWI_ALL_INTRS
CSR_WRITE_4(sc, BWI_MAC_INTR_STATUS, BWI_ALL_INTRS);
bwi_disable_intrs(sc, BWI_ALL_INTRS);
bwi_disable_intrs(sc, BWI_ALL_INTRS);
CSR_CLRBITS_4(sc, BWI_MAC_INTR_MASK, BWI_ALL_INTRS);