ath9k: set beacon related ps flags on bss_info change

Requesting beacon sync up to configure beacon timers properly
in hw, has be done after doing beacon config with default values.
Setting the flags in beacon config is causing the device to not
enter into network sleep on idle state.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/beacon.c

@@ -781,12 +781,6 @@ void ath_set_beacon(struct ath_softc *sc)
 		break;
 	case NL80211_IFTYPE_STATION:
 		ath_beacon_config_sta(sc, cur_conf);
-		/*
-		 * Request a re-configuration of Beacon related timers
-		 * on the receipt of the first Beacon frame (i.e.,
-		 * after time sync with the AP).
-		 */
-		sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
 		break;
 	default:
 		ath_dbg(common, ATH_DBG_CONFIG,

drivers/net/wireless/ath/ath9k/main.c

@@ -1969,6 +1969,12 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 				"Bss Info ASSOC %d, bssid: %pM\n",
 				bss_conf->aid, common->curbssid);
 			ath_beacon_config(sc, vif);
+			/*
+			 * Request a re-configuration of Beacon related timers
+			 * on the receipt of the first Beacon frame (i.e.,
+			 * after time sync with the AP).
+			 */
+			sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
 			/* Reset rssi stats */
 			sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
 			sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;