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/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 270dd4e..211a3d6 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -566,15 +566,22 @@
 
 	rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 	rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
+	rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
 	rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 
 	rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
+	rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
 	rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 			   !!erp->short_preamble);
 	rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 
 	rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
 
+	rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
+			   erp->beacon_int * 16);
+	rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
 	rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
 	rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
 	rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
@@ -834,25 +841,6 @@
 	rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 }
 
-static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
-				    struct rt2x00lib_conf *libconf)
-{
-	u32 reg;
-
-	rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
-	rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
-	rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
-
-	rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
-	rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
-	rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
-
-	rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
-	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
-			   libconf->conf->beacon_int * 16);
-	rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
-}
-
 static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
 				struct rt2x00lib_conf *libconf)
 {
@@ -906,8 +894,6 @@
 		rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 		rt73usb_config_retry_limit(rt2x00dev, libconf);
-	if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
-		rt73usb_config_duration(rt2x00dev, libconf);
 	if (flags & IEEE80211_CONF_CHANGE_PS)
 		rt73usb_config_ps(rt2x00dev, libconf);
 }