ath9k: clear bb filter calibration power threshold

JP WiFi certification for bandwidth of channel 14 failed, the OBW
is lower than the requirement. Clear the bb filter calibration power
threshold to increase OBW(+2). The fix only for qca9531 chip now.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index abd964691d8c6b2c9c3b7334e16c456486ce0bc2..06c1ca6e829053efbd2d8c8620649792324f394d 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -976,9 +976,14 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
        /*
         * JAPAN regulatory.
         */
-       if (chan->channel == 2484)
+       if (chan->channel == 2484) {
                ar9003_hw_prog_ini(ah, &ah->iniCckfirJapan2484, 1);
 
+               if (AR_SREV_9531(ah))
+                       REG_RMW_FIELD(ah, AR_PHY_FCAL_2_0,
+                                     AR_PHY_FLC_PWR_THRESH, 0);
+       }
+
        ah->modes_index = modesIndex;
        ar9003_hw_override_ini(ah);
        ar9003_hw_set_channel_regs(ah, chan);

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index c5f8bc4b5595ecda04fcb7b130f68180c6d74791..566da789f97ebe7117453b32c1374b22b8f5b977 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -487,6 +487,9 @@
 #define AR_PHY_ADDAC_PARA_CTL    (AR_SM_BASE + 0x150)
 #define AR_PHY_XPA_CFG           (AR_SM_BASE + 0x158)
 
+#define AR_PHY_FLC_PWR_THRESH          7
+#define AR_PHY_FLC_PWR_THRESH_S                0
+
 #define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW  3
 #define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW_S    0