diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 41b72fa..c5df981 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -297,9 +297,22 @@
 {
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct ath_softc *sc = hw->priv;
-	struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
+	int ret;
 
-	return ath_reg_notifier_apply(wiphy, request, reg);
+	ret = ath_reg_notifier_apply(wiphy, request, reg);
+
+	/* Set tx power */
+	if (ah->curchan) {
+		sc->config.txpowlimit = 2 * ah->curchan->chan->max_power;
+		ath9k_ps_wakeup(sc);
+		ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit, false);
+		sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
+		ath9k_ps_restore(sc);
+	}
+
+	return ret;
 }
 
 /*