ath9k_hw: increase symbol overlap window for half/quarter channels

[pandora-kernel.git] / drivers / net / wireless / ath / ath9k / ar9003_phy.c

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index be6069b..4c8d0d7 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -728,6 +728,10 @@ static void ar9003_hw_set_rfmode(struct ath_hw *ah,
        if (IS_CHAN_HALF_RATE(chan))
                rfMode |= AR_PHY_MODE_HALF;
 
+       if (rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF))
+               REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL,
+                             AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW, 3);
+
        REG_WRITE(ah, AR_PHY_MODE, rfMode);
 }