This is a note to let you know that I've just added the patch titled
ath9k_hw: Assign default xlna config for AR9485
to the 3.4-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-assign-default-xlna-config-for-ar9485.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 041aacd868cda63b3218d055888d1af635126949 Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Date: Mon, 10 Jun 2013 13:49:38 +0530
Subject: ath9k_hw: Assign default xlna config for AR9485
From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
commit 30d5b709da23f4ab9836c7f66d2d2e780a69cf12 upstream.
For AR9485 boards with XLNA, the default gpio config
is not set correctly, fix this.
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Jianguo Wu <wujianguo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 8 ++++++--
drivers/net/wireless/ath/ath9k/ar9003_phy.h | 2 ++
2 files changed, 8 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3592,7 +3592,7 @@ static u16 ar9003_hw_ant_ctrl_chain_get(
static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
{
int chain;
- u32 regval;
+ u32 regval, value;
u32 ant_div_ctl1;
static const u32 switch_chain_reg[AR9300_MAX_CHAINS] = {
AR_PHY_SWITCH_CHAIN_0,
@@ -3600,7 +3600,11 @@ static void ar9003_hw_ant_ctrl_apply(str
AR_PHY_SWITCH_CHAIN_2,
};
- u32 value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
+ if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0))
+ ath9k_hw_cfg_output(ah, AR9300_EXT_LNA_CTL_GPIO_AR9485,
+ AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED);
+
+ value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
if (AR_SREV_9462(ah)) {
REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -339,6 +339,8 @@
#define AR_PHY_CCA_NOM_VAL_9330_2GHZ -118
+#define AR9300_EXT_LNA_CTL_GPIO_AR9485 9
+
/*
* AGC Field Definitions
*/
Patches currently in stable-queue which might be from c_manoha@xxxxxxxxxxxxxxxx are
queue-3.4/ath9k-fix-noisefloor-calibration.patch
queue-3.4/ath9k_hw-assign-default-xlna-config-for-ar9485.patch
queue-3.4/ath9k_hw-fix-rx-gain-initvals-for-ar9485.patch
--
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