ath6kl: Use bit field macros to maintain wlan enabled and disabled status

Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -223,7 +223,7 @@ static bool ath6kl_cfg80211_ready(struct ath6kl *ar)
 		return false;
 	}
 
-	if (ar->wlan_state == WLAN_DISABLED) {
+	if (!test_bit(WLAN_ENABLED, &ar->flag)) {
 		ath6kl_err("wlan disabled\n");
 		return false;
 	}

drivers/net/wireless/ath/ath6kl/core.h

@@ -134,11 +134,6 @@ enum sme_state {
 	SME_CONNECTED
 };
 
-enum ath6kl_wlan_state {
-	WLAN_DISABLED,
-	WLAN_ENABLED
-};
-
 struct skb_hold_q {
 	struct sk_buff *skb;
 	bool is_amsdu;
@@ -365,6 +360,7 @@ struct ath6kl_req_key {
 #define DESTROY_IN_PROGRESS  9
 #define NETDEV_REGISTERED    10
 #define SKIP_SCAN	     11
+#define WLAN_ENABLED	     12
 
 struct ath6kl {
 	struct device *dev;
@@ -401,7 +397,6 @@ struct ath6kl {
 	u8 tx_pwr;
 	struct net_device_stats net_stats;
 	struct target_stats target_stats;
-	enum ath6kl_wlan_state wlan_state;
 	struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
 	u8 ibss_ps_enable;
 	u8 node_num;

drivers/net/wireless/ath/ath6kl/init.c

@@ -584,7 +584,7 @@ struct ath6kl *ath6kl_core_alloc(struct device *sdev)
 	init_netdev(dev);
 
 	ar->net_dev = dev;
-	ar->wlan_state = WLAN_ENABLED;
+	set_bit(WLAN_ENABLED, &ar->flag);
 
 	ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
 
@@ -1239,7 +1239,7 @@ void ath6kl_stop_txrx(struct ath6kl *ar)
 	if (ar->wlan_pwr_state != WLAN_POWER_STATE_CUT_PWR)
 		ath6kl_stop_endpoint(ndev, false, true);
 
-	ar->wlan_state = WLAN_DISABLED;
+	clear_bit(WLAN_ENABLED, &ar->flag);
 }
 
 /*

drivers/net/wireless/ath/ath6kl/main.c

@@ -1275,7 +1275,7 @@ static int ath6kl_open(struct net_device *dev)
 
 	spin_lock_irqsave(&ar->lock, flags);
 
-	ar->wlan_state = WLAN_ENABLED;
+	set_bit(WLAN_ENABLED, &ar->flag);
 
 	if (test_bit(CONNECTED, &ar->flag)) {
 		netif_carrier_on(dev);
@@ -1301,7 +1301,7 @@ static int ath6kl_close(struct net_device *dev)
 					      0, 0, 0))
 			return -EIO;
 
-		ar->wlan_state = WLAN_DISABLED;
+		clear_bit(WLAN_ENABLED, &ar->flag);
 	}
 
 	ath6kl_cfg80211_scan_complete_event(ar, -ECANCELED);