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authorFelix Fietkau <nbd@openwrt.org>2012-04-19 23:18:25 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-04-23 23:35:31 +0400
commit3e61d3f9b2f6381f6f30d3d0ff874251a3491d05 (patch)
treea3086662b7ecc7b23b213785f96dfe96a19c2507 /drivers/net/wireless/ath/ath9k/ar9003_phy.c
parent08685ce30f1f4d26c91f0bde1a07df1135fb5755 (diff)
downloadlinux-3e61d3f9b2f6381f6f30d3d0ff874251a3491d05.tar.xz
ath9k_hw: increase symbol overlap window for half/quarter channels
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_phy.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_phy.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index be6069bc4831..4c8d0d770945 100644
--- 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);
}