commit: 52a0e2477dac2106bc1688cbe9615cdafc9deb7d
From: Vasanthakumar Thiagarajan <[email protected]>
Date: Wed, 10 Nov 2010 05:03:11 -0800
Subject: [PATCH] ath9k_hw: Fix XPABIAS level configuration for AR9003

Improper configuration of 0x16288 and 0x16290 would affect transmission.

Cc:[email protected]
Signed-off-by: Vasanthakumar Thiagarajan <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
---
 drivers/net/wireless/ath/ath9k/ar9003_eeprom.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c 
b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 3d467fc..17f73e4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -22,12 +22,14 @@
 #define COMP_CKSUM_LEN 2
 
 #define AR_CH0_TOP (0x00016288)
-#define AR_CH0_TOP_XPABIASLVL (0x3)
+#define AR_CH0_TOP_XPABIASLVL (0x300)
 #define AR_CH0_TOP_XPABIASLVL_S (8)
 
 #define AR_CH0_THERM (0x00016290)
-#define AR_CH0_THERM_SPARE (0x3f)
-#define AR_CH0_THERM_SPARE_S (0)
+#define AR_CH0_THERM_XPABIASLVL_MSB 0x3
+#define AR_CH0_THERM_XPABIASLVL_MSB_S 0
+#define AR_CH0_THERM_XPASHORT2GND 0x4
+#define AR_CH0_THERM_XPASHORT2GND_S 2
 
 #define AR_SWITCH_TABLE_COM_ALL (0xffff)
 #define AR_SWITCH_TABLE_COM_ALL_S (0)
@@ -3336,9 +3338,9 @@ 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 & 0x3));
-       REG_RMW_FIELD(ah, AR_CH0_THERM, AR_CH0_THERM_SPARE,
-                     ((bias >> 2) & 0x3));
+       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)

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