1 files changed, 18 insertions, 13 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index ef4c60661290..2b8f61c210e1 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -919,7 +919,6 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 	/* setup initial channel */
 	init_channel = ath9k_cmn_get_curchannel(hw, ah);
 
-	ath9k_hw_htc_resetinit(ah);
 	ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
 	if (ret) {
 		ath_err(common,
@@ -957,12 +956,8 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 	mod_timer(&priv->tx.cleanup_timer,
 		  jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) {
-		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
-					   AR_STOMP_LOW_WLAN_WGHT);
-		ath9k_hw_btcoex_enable(ah);
-		ath_htc_resume_btcoex_work(priv);
-	}
+	ath9k_htc_start_btcoex(priv);
+
 	mutex_unlock(&priv->mutex);
 
 	return ret;
@@ -1009,12 +1004,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 
 	mutex_lock(&priv->mutex);
 
-	if (ah->btcoex_hw.enabled &&
-	    ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) {
-		ath9k_hw_btcoex_disable(ah);
-		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
-			ath_htc_cancel_btcoex_work(priv);
-	}
+	ath9k_htc_stop_btcoex(priv);
 
 	/* Remove a monitor interface if it's present. */
 	if (priv->ah->is_monitoring)
@@ -1409,6 +1399,21 @@ static int ath9k_htc_set_key(struct ieee80211_hw *hw,
 	if (htc_modparam_nohwcrypt)
 		return -ENOSPC;
 
+	if ((vif->type == NL80211_IFTYPE_ADHOC ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
+	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+		/*
+		 * For now, disable hw crypto for the RSN IBSS group keys. This
+		 * could be optimized in the future to use a modified key cache
+		 * design to support per-STA RX GTK, but until that gets
+		 * implemented, use of software crypto for group addressed
+		 * frames is a acceptable to allow RSN IBSS to be used.
+		 */
+		return -EOPNOTSUPP;
+	}
+
 	mutex_lock(&priv->mutex);
 	ath_dbg(common, CONFIG, "Set HW Key\n");
 	ath9k_htc_ps_wakeup(priv);