rt2x00: Remove usage of IEEE80211_CONF_CHANGE_BEACON_INTERVAL

IEEE80211_CONF_CHANGE_BEACON_INTERVAL was deprecated a month ago,
it is about time to remove all usage from the rt2x00 drivers and
use the correct beacon interval configuration through the bss_info
structure.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index aae7aa7..142ad34 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -616,6 +616,11 @@
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
 	rt2x00usb_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
+			   erp->beacon_int * 16);
+	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 }
 
 static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
@@ -955,17 +960,6 @@
 	rt2x00usb_register_write(rt2x00dev, TX_RTY_CFG, reg);
 }
 
-static void rt2800usb_config_duration(struct rt2x00_dev *rt2x00dev,
-				      struct rt2x00lib_conf *libconf)
-{
-	u32 reg;
-
-	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
-			   libconf->conf->beacon_int * 16);
-	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-}
-
 static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
 				struct rt2x00lib_conf *libconf)
 {
@@ -1010,8 +1004,6 @@
 		rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 		rt2800usb_config_retry_limit(rt2x00dev, libconf);
-	if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
-		rt2800usb_config_duration(rt2x00dev, libconf);
 	if (flags & IEEE80211_CONF_CHANGE_PS)
 		rt2800usb_config_ps(rt2x00dev, libconf);
 }