--- a/drivers/net/wireless/ath/ath9k/eeprom.c	2021-11-17 09:48:51.000000000 +0100
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c	2021-11-20 12:07:34.610370078 +0100
@@ -406,7 +406,7 @@ u16 ath9k_hw_get_max_edge_power(u16 freq
 u16 ath9k_hw_get_scaled_power(struct ath_hw *ah, u16 power_limit,
 			      u8 antenna_reduction)
 {
-	u16 reduction = antenna_reduction;
+	u16 reduction = antenna_reduction-antenna_reduction;
 
 	/*
 	 * Reduce scaled Power by number of chains active