ath9k: fix XPABIASLEVEL settings for AR9550

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 2cdf82b..52e6955 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3509,7 +3509,7 @@
 
 	if (AR_SREV_9485(ah) || AR_SREV_9330(ah) || AR_SREV_9340(ah))
 		REG_RMW_FIELD(ah, AR_CH0_TOP2, AR_CH0_TOP2_XPABIASLVL, bias);
-	else if (AR_SREV_9462(ah))
+	else if (AR_SREV_9462(ah) || AR_SREV_9550(ah))
 		REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
 	else {
 		REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index ed662c3..89907c8 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -636,8 +636,8 @@
 
 #define AR_CH0_TOP	(AR_SREV_9300(ah) ? 0x16288 : \
 				((AR_SREV_9462(ah) ? 0x1628c : 0x16280)))
-#define AR_CH0_TOP_XPABIASLVL (0x300)
-#define AR_CH0_TOP_XPABIASLVL_S (8)
+#define AR_CH0_TOP_XPABIASLVL (AR_SREV_9550(ah) ? 0x3c0 : 0x300)
+#define AR_CH0_TOP_XPABIASLVL_S (AR_SREV_9550(ah) ? 6 : 8)
 
 #define AR_CH0_THERM	(AR_SREV_9300(ah) ? 0x16290 : \
 				((AR_SREV_9485(ah) ? 0x1628c : 0x16294)))