wifi: mt76: mt7615: rely on shared poll_list field

Rely on poll_list field in mt76_wcid structure and get rid of
private copy.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -388,8 +388,8 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
 
 		msta = container_of(status->wcid, struct mt7615_sta, wcid);
 		spin_lock_bh(&dev->mt76.sta_poll_lock);
-		if (list_empty(&msta->poll_list))
-			list_add_tail(&msta->poll_list,
+		if (list_empty(&msta->wcid.poll_list))
+			list_add_tail(&msta->wcid.poll_list,
 				      &dev->mt76.sta_poll_list);
 		spin_unlock_bh(&dev->mt76.sta_poll_lock);
 	}
@@ -914,10 +914,10 @@ void mt7615_mac_sta_poll(struct mt7615_dev *dev)
 		bool clear = false;
 
 		msta = list_first_entry(&sta_poll_list, struct mt7615_sta,
-					poll_list);
+					wcid.poll_list);
 
 		spin_lock_bh(&dev->mt76.sta_poll_lock);
-		list_del_init(&msta->poll_list);
+		list_del_init(&msta->wcid.poll_list);
 		spin_unlock_bh(&dev->mt76.sta_poll_lock);
 
 		addr = mt7615_mac_wtbl_addr(dev, msta->wcid.idx) + 19 * 4;
@@ -1516,8 +1516,8 @@ static void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data)
 	sta = wcid_to_sta(wcid);
 
 	spin_lock_bh(&dev->mt76.sta_poll_lock);
-	if (list_empty(&msta->poll_list))
-		list_add_tail(&msta->poll_list, &dev->mt76.sta_poll_list);
+	if (list_empty(&msta->wcid.poll_list))
+		list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list);
 	spin_unlock_bh(&dev->mt76.sta_poll_lock);
 
 	if (mt7615_mac_add_txs_skb(dev, msta, pid, txs_data))

drivers/net/wireless/mediatek/mt76/mt7615/main.c

@@ -222,7 +222,7 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
 
 	idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
 
-	INIT_LIST_HEAD(&mvif->sta.poll_list);
+	INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
 	mvif->sta.wcid.idx = idx;
 	mvif->sta.wcid.phy_idx = mvif->mt76.band_idx;
 	mvif->sta.wcid.hw_key_idx = -1;
@@ -275,8 +275,8 @@ static void mt7615_remove_interface(struct ieee80211_hw *hw,
 	mt7615_mutex_release(dev);
 
 	spin_lock_bh(&dev->mt76.sta_poll_lock);
-	if (!list_empty(&msta->poll_list))
-		list_del_init(&msta->poll_list);
+	if (!list_empty(&msta->wcid.poll_list))
+		list_del_init(&msta->wcid.poll_list);
 	spin_unlock_bh(&dev->mt76.sta_poll_lock);
 
 	mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid);
@@ -657,7 +657,7 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	if (idx < 0)
 		return -ENOSPC;
 
-	INIT_LIST_HEAD(&msta->poll_list);
+	INIT_LIST_HEAD(&msta->wcid.poll_list);
 	msta->vif = mvif;
 	msta->wcid.sta = 1;
 	msta->wcid.idx = idx;
@@ -706,8 +706,8 @@ void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 		mt7615_mcu_add_bss_info(phy, vif, sta, false);
 
 	spin_lock_bh(&mdev->sta_poll_lock);
-	if (!list_empty(&msta->poll_list))
-		list_del_init(&msta->poll_list);
+	if (!list_empty(&msta->wcid.poll_list))
+		list_del_init(&msta->wcid.poll_list);
 	spin_unlock_bh(&mdev->sta_poll_lock);
 
 	mt76_connac_power_save_sched(phy->mt76, &dev->pm);

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -125,7 +125,6 @@ struct mt7615_sta {
 
 	struct mt7615_vif *vif;
 
-	struct list_head poll_list;
 	u32 airtime_ac[8];
 
 	struct ieee80211_tx_rate rates[4];