This is a note to let you know that I've just added the patch titled
ath9k_hw: Fix XPABIAS level configuration for AR9003
to the 2.6.36-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ath9k_hw-fix-xpabias-level-configuration-for-ar9003.patch
and it can be found in the queue-2.6.36 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 52a0e2477dac2106bc1688cbe9615cdafc9deb7d Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <[email protected]>
Date: Wed, 10 Nov 2010 05:03:11 -0800
Subject: ath9k_hw: Fix XPABIAS level configuration for AR9003
From: Vasanthakumar Thiagarajan <[email protected]>
commit 52a0e2477dac2106bc1688cbe9615cdafc9deb7d upstream.
Improper configuration of 0x16288 and 0x16290 would affect transmission.
Signed-off-by: Vasanthakumar Thiagarajan <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
--- 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)
@@ -995,9 +997,9 @@ static s32 ar9003_hw_xpa_bias_level_get(
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)
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.36/ath9k_hw-do-pa-offset-calibration-only-on-longcal-interval.patch
queue-2.6.36/ath9k-fix-bug-in-delimiter-padding-computation.patch
queue-2.6.36/ath9k_hw-fix-xpabias-level-configuration-for-ar9003.patch
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