mt76: move mt76x02_eeprom_copy in mt76x02-lib module

Move mt76x02_eeprom_copy utility routine in mt76x02-lib module
in order to be reused by mt76x0 driver adding tssi calibration
support
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c

@@ -53,6 +53,18 @@ mt76x02_efuse_read(struct mt76x02_dev *dev, u16 addr, u8 *data,
 	return 0;
 }
 
+int mt76x02_eeprom_copy(struct mt76x02_dev *dev,
+			enum mt76x02_eeprom_field field,
+			void *dest, int len)
+{
+	if (field + len > dev->mt76.eeprom.size)
+		return -1;
+
+	memcpy(dest, dev->mt76.eeprom.data + field, len);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x02_eeprom_copy);
+
 int mt76x02_get_efuse_data(struct mt76x02_dev *dev, u16 base, void *buf,
 			   int len, enum mt76x02_eeprom_modes mode)
 {

drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h

@@ -188,5 +188,8 @@ u8 mt76x02_get_lna_gain(struct mt76x02_dev *dev,
 			s8 *lna_2g, s8 *lna_5g,
 			struct ieee80211_channel *chan);
 void mt76x02_eeprom_parse_hw_cap(struct mt76x02_dev *dev);
+int mt76x02_eeprom_copy(struct mt76x02_dev *dev,
+			enum mt76x02_eeprom_field field,
+			void *dest, int len);
 
 #endif /* __MT76x02_EEPROM_H */

drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.c

@@ -21,17 +21,6 @@
 
 #define EE_FIELD(_name, _value) [MT_EE_##_name] = (_value) | 1
 
-static int
-mt76x2_eeprom_copy(struct mt76x02_dev *dev, enum mt76x02_eeprom_field field,
-		   void *dest, int len)
-{
-	if (field + len > dev->mt76.eeprom.size)
-		return -1;
-
-	memcpy(dest, dev->mt76.eeprom.data + field, len);
-	return 0;
-}
-
 static int
 mt76x2_eeprom_get_macaddr(struct mt76x02_dev *dev)
 {
@@ -378,7 +367,7 @@ mt76x2_get_power_info_2g(struct mt76x02_dev *dev,
 	else
 		delta_idx = 5;
 
-	mt76x2_eeprom_copy(dev, offset, data, sizeof(data));
+	mt76x02_eeprom_copy(dev, offset, data, sizeof(data));
 
 	t->chain[chain].tssi_slope = data[0];
 	t->chain[chain].tssi_offset = data[1];
@@ -429,7 +418,7 @@ mt76x2_get_power_info_5g(struct mt76x02_dev *dev,
 	else
 		delta_idx = 4;
 
-	mt76x2_eeprom_copy(dev, offset, data, sizeof(data));
+	mt76x02_eeprom_copy(dev, offset, data, sizeof(data));
 
 	t->chain[chain].tssi_slope = data[0];
 	t->chain[chain].tssi_offset = data[1];