From 52a0e2477dac2106bc1688cbe9615cdafc9deb7d Mon Sep 17 00:00:00 2001 From: Vasanthakumar Thiagarajan 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:stable@kernel.org Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 14 ++++++++------ 1 file 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 3d467fc13883..17f73e4d8f36 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) -- 2.20.1