mt76: mt7921: make mt7921_set_channel static

Make mt7921_set_channel routine static since it is only used in main.c
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/main.c

@@ -316,7 +316,7 @@ static void mt7921_remove_interface(struct ieee80211_hw *hw,
 	spin_unlock_bh(&dev->sta_poll_lock);
 }
 
-int mt7921_set_channel(struct mt7921_phy *phy)
+static int mt7921_set_channel(struct mt7921_phy *phy)
 {
 	struct mt7921_dev *dev = phy->dev;
 	int ret;

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

@@ -261,7 +261,6 @@ int mt7921_mcu_init(struct mt7921_dev *dev);
 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 		       struct mt7921_sta *msta, struct ieee80211_key_conf *key,
 		       enum set_key_cmd cmd);
-int mt7921_set_channel(struct mt7921_phy *phy);
 int mt7921_mcu_sta_add(struct mt7921_dev *dev, struct ieee80211_sta *sta,
 		       struct ieee80211_vif *vif, bool enable);
 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);