[ 3.5.y.z extended stable ] Patch "ath9k_hw: Assign default xlna config for AR9485" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    ath9k_hw: Assign default xlna config for AR9485

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From c15c182ef8e91e5715b05540f79684f708266ae0 Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha at qca.qualcomm.com>
Date: Mon, 10 Jun 2013 13:49:38 +0530
Subject: [PATCH] ath9k_hw: Assign default xlna config for AR9485

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 at qca.qualcomm.com>
Signed-off-by: John W. Linville <linville at tuxdriver.com>
[ luis: backported to 3.5: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 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(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index dfb0441..535c2b1 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3578,7 +3578,7 @@ static u16 ar9003_hw_ant_ctrl_chain_get(struct ath_hw *ah,
 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,
@@ -3586,7 +3586,11 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
 			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,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index 7268a48..230f869 100644
--- 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
  */
--
1.8.1.2