ath9k_hw: remove ah->txpower_indexoffset

Signed-off-by: NFelix Fietkau <nbd@openwrt.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9002_mac.c

@@ -283,7 +283,6 @@ static void ar9002_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
 {
 	struct ar5416_desc *ads = AR5416DESC(ds);
 
-	txPower += ah->txpower_indexoffset;
 	if (txPower > 63)
 		txPower = 63;
 

drivers/net/wireless/ath/ath9k/ar9003_mac.c

@@ -322,7 +322,6 @@ static void ar9003_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
 	if (txpower > ah->txpower_limit)
 		txpower = ah->txpower_limit;
 
-	txpower += ah->txpower_indexoffset;
 	if (txpower > 63)
 		txpower = 63;
 

drivers/net/wireless/ath/ath9k/hw.h

@@ -762,7 +762,6 @@ struct ath_hw {
 	u32 *bank6Temp;
 
 	u8 txpower_limit;
-	int16_t txpower_indexoffset;
 	int coverage_class;
 	u32 slottime;
 	u32 globaltxtimeout;