R88E_HIMRE
rtwn_write_4(sc, R88E_HIMRE, 0x00000000);
rtwn_write_4(sc, R88E_HIMRE, R88E_INT_ENABLE_EX);
rtwn_write_4(sc, R88E_HIMRE, R88E_INT_ENABLE_EX);
rtwn_write_4(sc, R88E_HIMRE, 0);
rtwn_write_4(sc, R88E_HIMRE, R88E_HIMRE_RXFOVW |
rtwn_write_4(sc, R88E_HIMRE, 0);