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--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -73,6 +73,7 @@ struct ath_regulatory {
u16 max_power_level;
u16 current_rd;
int16_t power_limit;
+ int16_t max_antenna_gain;
struct reg_dmn_pair_mapping *regpair;
};
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2851,7 +2851,7 @@ void ath9k_hw_apply_txpower(struct ath_h
channel = chan->chan;
chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
new_pwr = min_t(int, chan_pwr, reg->power_limit);
- max_gain = chan_pwr - new_pwr + channel->max_antenna_gain * 2;
+ max_gain = chan_pwr - new_pwr + reg->max_antenna_gain * 2;
ant_gain = get_antenna_gain(ah, chan);
if (ant_gain > max_gain)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1300,7 +1300,10 @@ int ath9k_config(struct ieee80211_hw *hw
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
+
ath_dbg(common, CONFIG, "Set power: %d\n", conf->power_level);
+ reg->max_antenna_gain = conf->max_antenna_gain;
sc->config.txpowlimit = 2 * conf->power_level;
ath9k_cmn_update_txpow(ah, sc->curtxpow,
sc->config.txpowlimit, &sc->curtxpow);
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