From: Oleksij Rempel <linux@rempel-privat.de>
Date: Sun, 22 Mar 2015 19:29:56 +0100
Subject: [PATCH] ath9k: ath9k_hw_set_4k_power_cal_tabl: use rmw buffer

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -389,6 +389,7 @@ static void ath9k_hw_set_4k_power_cal_ta
 		}
 	}
 
+	ENABLE_REG_RMW_BUFFER(ah);
 	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
 		      (numXpdGain - 1) & 0x3);
 	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_1,
@@ -396,6 +397,7 @@ static void ath9k_hw_set_4k_power_cal_ta
 	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2,
 		      xpdGainValues[1]);
 	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3, 0);
+	REG_RMW_BUFFER_FLUSH(ah);
 
 	for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) {
 		regChainOffset = i * 0x1000;