rt2x00: Remove last usage of beacon_int from ieee80211_config

This removes the last usage of beacon_int inside the iee80211_config
structure from rt2x00. The attempt is a bit hackish, and subject to
change in the future when the entire rt2x00_dev structure is
cleaned up and restructured.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2400pci.c

@@ -520,7 +520,7 @@ static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00pci_register_read(rt2x00dev, CSR20, &reg);
 		rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
-				   (libconf->conf->beacon_int - 20) * 16);
+				   (rt2x00dev->beacon_int - 20) * 16);
 		rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 

drivers/net/wireless/rt2x00/rt2500pci.c

@@ -569,7 +569,7 @@ static void rt2500pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00pci_register_read(rt2x00dev, CSR20, &reg);
 		rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
-				   (libconf->conf->beacon_int - 20) * 16);
+				   (rt2x00dev->beacon_int - 20) * 16);
 		rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 

drivers/net/wireless/rt2x00/rt2500usb.c

@@ -647,7 +647,7 @@ static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 		rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
-				   libconf->conf->beacon_int - 20);
+				   rt2x00dev->beacon_int - 20);
 		rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 

drivers/net/wireless/rt2x00/rt2x00.h

@@ -801,6 +801,11 @@ struct rt2x00_dev {
 	 */
 	u8 calibration[2];
 
+	/*
+	 * Beacon interval.
+	 */
+	u16 beacon_int;
+
 	/*
 	 * Low level statistics which will have
 	 * to be kept up to date while device is running.

drivers/net/wireless/rt2x00/rt2x00config.c

@@ -108,6 +108,9 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
 	erp.basic_rates = bss_conf->basic_rates;
 	erp.beacon_int = bss_conf->beacon_int;
 
+	/* Update global beacon interval time, this is needed for PS support */
+	rt2x00dev->beacon_int = bss_conf->beacon_int;
+
 	rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp);
 }
 

drivers/net/wireless/rt2x00/rt61pci.c

@@ -956,7 +956,7 @@ static void rt61pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00pci_register_read(rt2x00dev, MAC_CSR11, &reg);
 		rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
-				   libconf->conf->beacon_int - 10);
+				   rt2x00dev->beacon_int - 10);
 		rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 		rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);

drivers/net/wireless/rt2x00/rt73usb.c

@@ -852,7 +852,7 @@ static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 		rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
-				   libconf->conf->beacon_int - 10);
+				   rt2x00dev->beacon_int - 10);
 		rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 		rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);