BWN_TXPWR_IGNORE_TIME
bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME |
if (!(flags & BWN_TXPWR_IGNORE_TIME) && ieee80211_time_before(now, phy->nexttime))
bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME);