diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 21354c15..14186f2 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -679,6 +679,7 @@
 	u16 (*get_spur_channel)(struct ath_hw *ah, u16 i, bool is2GHz);
 };
 
+void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val);
 void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
 			       u32 shift, u32 val);
 int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,