AR_MAC_PCU_WOW4
REG_SET_BIT(ah, AR_MAC_PCU_WOW4, BIT(pattern_count - 8));
rval = REG_READ(ah, AR_MAC_PCU_WOW4);
REG_WRITE(ah, AR_MAC_PCU_WOW4,
AR_WOW_CLEAR_EVENTS2(REG_READ(ah, AR_MAC_PCU_WOW4)));