From: Felix Fietkau <nbd@openwrt.org>
To: linux-wireless@vger.kernel.org
Cc: linville@tuxdriver.com, mcgrof@qca.qualcomm.com
Subject: [PATCH v2 4/8] ath9k_hw: increase symbol overlap window for half/quarter channels
Date: Mon, 16 Apr 2012 23:09:21 +0200 [thread overview]
Message-ID: <1334610565-37399-4-git-send-email-nbd@openwrt.org> (raw)
In-Reply-To: <1334610565-37399-3-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
next prev parent reply other threads:[~2012-04-16 21:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-16 21:09 [PATCH v2 1/8] ath9k_hw: use standard SIFS time as reference for half/quarter channels Felix Fietkau
2012-04-16 21:09 ` [PATCH v2 2/8] ath9k_hw: increase ACK timeout " Felix Fietkau
2012-04-16 21:09 ` [PATCH v2 3/8] ath9k_hw: set the PHY mode for half/quarter channels on AR9003 Felix Fietkau
2012-04-16 21:09 ` Felix Fietkau [this message]
2012-04-16 21:09 ` [PATCH v2 5/8] ath9k_hw: fix and clean up PHY activation delay Felix Fietkau
2012-04-16 21:09 ` [PATCH v2 6/8] ath9k_hw: disable Tx IQ calibration on half/quarter channels Felix Fietkau
2012-04-16 21:09 ` [PATCH v2 7/8] ath9k_hw: disable fast channel change when changing from/to half/quarter mode Felix Fietkau
2012-04-16 21:09 ` [PATCH v2 8/8] ath9k_hw: increase tx abort timeout for half/quarter channels Felix Fietkau
2012-04-17 4:01 ` [PATCH v2 7/8] ath9k_hw: disable fast channel change when changing from/to half/quarter mode Sujith Manoharan
2012-04-17 11:06 ` Felix Fietkau
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