mt76: move sar_capa configuration in common code

Move wiphy SAR capability configuration in mt76 module and remove
duplicated code.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mac80211.c

@@ -185,7 +185,6 @@ const struct cfg80211_sar_capa mt76_sar_capa = {
 	.num_freq_ranges = ARRAY_SIZE(mt76_sar_freq_ranges),
 	.freq_ranges = &mt76_sar_freq_ranges[0],
 };
-EXPORT_SYMBOL_GPL(mt76_sar_capa);
 
 static int mt76_led_init(struct mt76_dev *dev)
 {
@@ -393,7 +392,7 @@ mt76_check_sband(struct mt76_phy *phy, struct mt76_sband *msband,
 	phy->hw->wiphy->bands[band] = NULL;
 }
 
-static void
+static int
 mt76_phy_init(struct mt76_phy *phy, struct ieee80211_hw *hw)
 {
 	struct mt76_dev *dev = phy->dev;
@@ -414,6 +413,13 @@ mt76_phy_init(struct mt76_phy *phy, struct ieee80211_hw *hw)
 	wiphy->available_antennas_tx = phy->antenna_mask;
 	wiphy->available_antennas_rx = phy->antenna_mask;
 
+	wiphy->sar_capa = &mt76_sar_capa;
+	phy->frp = devm_kcalloc(dev->dev, wiphy->sar_capa->num_freq_ranges,
+				sizeof(struct mt76_freq_range_power),
+				GFP_KERNEL);
+	if (!phy->frp)
+		return -ENOMEM;
+
 	hw->txq_data_size = sizeof(struct mt76_txq);
 	hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL;
 
@@ -432,6 +438,8 @@ mt76_phy_init(struct mt76_phy *phy, struct ieee80211_hw *hw)
 	ieee80211_hw_set(hw, MFP_CAPABLE);
 	ieee80211_hw_set(hw, AP_LINK_PS);
 	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
+
+	return 0;
 }
 
 struct mt76_phy *
@@ -472,7 +480,9 @@ int mt76_register_phy(struct mt76_phy *phy, bool vht,
 {
 	int ret;
 
-	mt76_phy_init(phy, phy->hw);
+	ret = mt76_phy_init(phy, phy->hw);
+	if (ret)
+		return ret;
 
 	if (phy->cap.has_2ghz) {
 		ret = mt76_init_sband_2g(phy, rates, n_rates);
@@ -591,7 +601,9 @@ int mt76_register_device(struct mt76_dev *dev, bool vht,
 	int ret;
 
 	dev_set_drvdata(dev->dev, dev);
-	mt76_phy_init(phy, hw);
+	ret = mt76_phy_init(phy, hw);
+	if (ret)
+		return ret;
 
 	if (phy->cap.has_2ghz) {
 		ret = mt76_init_sband_2g(phy, rates, n_rates);

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

@@ -810,7 +810,6 @@ struct mt76_ethtool_worker_info {
 }
 
 extern struct ieee80211_rate mt76_rates[12];
-extern const struct cfg80211_sar_capa mt76_sar_capa;
 
 #define __mt76_rr(dev, ...)	(dev)->bus->rr((dev), __VA_ARGS__)
 #define __mt76_wr(dev, ...)	(dev)->bus->wr((dev), __VA_ARGS__)

drivers/net/wireless/mediatek/mt76/mt76x02_util.c

@@ -174,13 +174,6 @@ int mt76x02_init_device(struct mt76x02_dev *dev)
 	}
 
 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
-	wiphy->sar_capa = &mt76_sar_capa;
-	dev->mt76.phy.frp = devm_kcalloc(dev->mt76.dev,
-					 wiphy->sar_capa->num_freq_ranges,
-					 sizeof(struct mt76_freq_range_power),
-					 GFP_KERNEL);
-	if (!dev->mt76.phy.frp)
-		return -ENOMEM;
 
 	hw->sta_data_size = sizeof(struct mt76x02_sta);
 	hw->vif_data_size = sizeof(struct mt76x02_vif);

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

@@ -76,14 +76,6 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
 	wiphy->max_sched_scan_reqs = 1;
 	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 	wiphy->reg_notifier = mt7921_regd_notifier;
-	wiphy->sar_capa = &mt76_sar_capa;
-
-	phy->mt76->frp = devm_kcalloc(dev->mt76.dev,
-				      wiphy->sar_capa->num_freq_ranges,
-				      sizeof(struct mt76_freq_range_power),
-				      GFP_KERNEL);
-	if (!phy->mt76->frp)
-		return -ENOMEM;
 
 	wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
 			   NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;