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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index e5a78d4fd66e..fc54fc71a2d3 100644
--- 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_table(struct ath_hw *ah,
                 }
         }
 
+        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_table(struct ath_hw *ah,
         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;