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@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Jianguo Wu <wujianguo@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 6bb4db052bb0b23aef5d50a607fcafdca9c20a16..6f2fff30c46fe70127aeb95b95fb3825a3e06889 100644 (file)
--- 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(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,
@@ -3600,7 +3600,11 @@ 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 d834d97fe7276e279402d4e3a75e6e6db1ac983f..6402b9e4ca6b77134b76424994da4ffd9d4b9ec6 100644 (file)
--- 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
  */