openwrtv4/package/kernel/mac80211/patches/622-rt2x00-fix-beacon-bit-balance.patch

--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
@@ -627,12 +627,8 @@ void rt2x00mac_bss_info_changed(struct i
 		} else if (bss_conf->enable_beacon && !intf->enable_beacon) {
 			rt2x00dev->intf_beaconing++;
 			intf->enable_beacon = true;
-			/*
-			 * Upload beacon to the H/W. This is only required on
-			 * USB devices. PCI devices fetch beacons periodically.
-			 */
-			if (rt2x00_is_usb(rt2x00dev))
-				rt2x00queue_update_beacon(rt2x00dev, vif);
+
+			rt2x00queue_update_beacon(rt2x00dev, vif);
 
 			if (rt2x00dev->intf_beaconing == 1) {
 				/*
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -145,7 +145,8 @@ static void rt2x00lib_intf_scheduled_ite
 
 	if (test_and_clear_bit(DELAYED_UPDATE_BEACON, &intf->delayed_flags)) {
 		mutex_lock(&intf->beacon_skb_mutex);
-		rt2x00queue_update_beacon(rt2x00dev, vif);
+		if (intf->enable_beacon)
+			rt2x00queue_update_beacon(rt2x00dev, vif);
 		mutex_unlock(&intf->beacon_skb_mutex);
 	}
 }
@@ -208,6 +209,7 @@ static void rt2x00lib_beaconupdate_iter(
 					struct ieee80211_vif *vif)
 {
 	struct rt2x00_dev *rt2x00dev = data;
+	struct rt2x00_intf *intf = vif_to_intf(vif);
 
 	if (vif->type != NL80211_IFTYPE_AP &&
 	    vif->type != NL80211_IFTYPE_ADHOC &&
@@ -221,7 +223,8 @@ static void rt2x00lib_beaconupdate_iter(
 	 * never be called for USB devices.
 	 */
 	WARN_ON(rt2x00_is_usb(rt2x00dev));
-	rt2x00queue_update_beacon(rt2x00dev, vif);
+	if (intf->enable_beacon)
+		rt2x00queue_update_beacon(rt2x00dev, vif);
 }
 
 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)