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From: Felix Fietkau <nbd@openwrt.org>
To: linux-wireless@vger.kernel.org
Cc: linville@tuxdriver.com, mcgrof@qca.qualcomm.com
Subject: [PATCH 4/9] ath9k_hw: increase symbol overlap window for half/quarter channels
Date: Sun, 15 Apr 2012 12:15:36 +0200	[thread overview]
Message-ID: <1334484941-27673-4-git-send-email-nbd@openwrt.org> (raw)
In-Reply-To: <1334484941-27673-3-git-send-email-nbd@openwrt.org>

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 drivers/net/wireless/ath/ath9k/ar9003_phy.c |    4 ++++
 drivers/net/wireless/ath/ath9k/ar9003_phy.h |    3 +++
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index b9f88a2..5bc09a1 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -726,6 +726,10 @@ 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);
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index d834d97..7268a48 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -468,6 +468,9 @@
 #define AR_PHY_ADDAC_PARA_CTL    (AR_SM_BASE + 0x150)
 #define AR_PHY_XPA_CFG           (AR_SM_BASE + 0x158)
 
+#define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW  3
+#define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW_S    0
+
 #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A           0x0001FC00
 #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A_S         10
 #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A                       0x3FF
-- 
1.7.3.2


  reply	other threads:[~2012-04-15 10:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-15 10:15 [PATCH 1/9] ath9k_hw: use lower rx latency values for half/quarter channels Felix Fietkau
2012-04-15 10:15 ` [PATCH 2/9] ath9k_hw: do not override SIFS time " Felix Fietkau
2012-04-15 10:15   ` [PATCH 3/9] ath9k_hw: set the PHY mode for half/quarter channels on AR9003 Felix Fietkau
2012-04-15 10:15     ` Felix Fietkau [this message]
2012-04-15 10:15       ` [PATCH 5/9] ath9k_hw: fix and clean up PHY activation delay Felix Fietkau
2012-04-15 10:15         ` [PATCH 6/9] ath9k_hw: increase ACK timeout for half/quarter channels Felix Fietkau
2012-04-15 10:15           ` [PATCH 7/9] ath9k_hw: disable Tx IQ calibration on " Felix Fietkau
2012-04-15 10:15             ` [PATCH 8/9] ath9k_hw: disable fast channel change when changing from/to half/quarter mode Felix Fietkau
2012-04-15 10:15               ` [PATCH 9/9] ath9k_hw: increase tx abort timeout for half/quarter channels Felix Fietkau
2012-04-15 18:22   ` [PATCH 2/9] ath9k_hw: do not override SIFS time " Daniel Halperin
2012-04-15 18:27     ` Felix Fietkau
2012-04-16  6:30       ` Daniel Halperin
2012-04-16  9:44         ` Felix Fietkau
2012-04-16 13:16           ` Felix Fietkau

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