ath9k_hw: Configure xpa bias level for AR9485

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 372831dc94bd..819b0a6cb83e 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3450,9 +3450,15 @@ static s32 ar9003_hw_xpa_bias_level_get(struct ath_hw *ah, bool is2ghz)
 static void ar9003_hw_xpa_bias_level_apply(struct ath_hw *ah, bool is2ghz)
 {
         int bias = ar9003_hw_xpa_bias_level_get(ah, is2ghz);
-        REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
-        REG_RMW_FIELD(ah, AR_CH0_THERM, AR_CH0_THERM_XPABIASLVL_MSB, bias >> 2);
-        REG_RMW_FIELD(ah, AR_CH0_THERM, AR_CH0_THERM_XPASHORT2GND, 1);
+
+        if (AR_SREV_9485(ah))
+                REG_RMW_FIELD(ah, AR_CH0_TOP2, AR_CH0_TOP2_XPABIASLVL, bias);
+        else {
+                REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
+                REG_RMW_FIELD(ah, AR_CH0_THERM, AR_CH0_THERM_XPABIASLVL_MSB,
+                              bias >> 2);
+                REG_RMW_FIELD(ah, AR_CH0_THERM, AR_CH0_THERM_XPASHORT2GND, 1);
+        }
 }
 
 static u32 ar9003_hw_ant_ctrl_common_get(struct ath_hw *ah, bool is2ghz)