R92C_APSD_CTRL
reg = rtwn_read_1(sc, R92C_APSD_CTRL);
rtwn_write_1(sc, R92C_APSD_CTRL,
rtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF);
if (!(rtwn_read_1(sc, R92C_APSD_CTRL) &
urtwn_write_1(sc, R92C_APSD_CTRL,
urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF);
if (!(urtwn_read_1(sc, R92C_APSD_CTRL) &
urtwn_write_1(sc, R92C_APSD_CTRL, R92C_APSD_CTRL_OFF);