mt76: mt7915: make mt7915_eeprom_read static

Make mt7915_eeprom_read routine static since it is used only in eeprom.c
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c

@@ -4,16 +4,11 @@
 #include "mt7915.h"
 #include "eeprom.h"
 
-static inline bool mt7915_efuse_valid(u8 val)
-{
-	return !(val == 0xff);
-}
-
-u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset)
+static u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset)
 {
 	u8 *data = dev->mt76.eeprom.data;
 
-	if (!mt7915_efuse_valid(data[offset]))
+	if (data[offset] == 0xff)
 		mt7915_mcu_get_eeprom(dev, offset);
 
 	return data[offset];

drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

@@ -278,7 +278,6 @@ void mt7915_unregister_device(struct mt7915_dev *dev);
 int mt7915_register_ext_phy(struct mt7915_dev *dev);
 void mt7915_unregister_ext_phy(struct mt7915_dev *dev);
 int mt7915_eeprom_init(struct mt7915_dev *dev);
-u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset);
 int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
 				   struct ieee80211_channel *chan,
 				   u8 chain_idx);