From: Felix Fietkau <nbd@openwrt.org>
To: linux-wireless@vger.kernel.org
Cc: linville@tuxdriver.com, mcgrof@qca.qualcomm.com
Subject: [PATCH v2 6/8] ath9k_hw: disable Tx IQ calibration on half/quarter channels
Date: Mon, 16 Apr 2012 23:09:23 +0200 [thread overview]
Message-ID: <1334610565-37399-6-git-send-email-nbd@openwrt.org> (raw)
In-Reply-To: <1334610565-37399-5-git-send-email-nbd@openwrt.org>
It does not work properly and reduces throughput.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
drivers/net/wireless/ath/ath9k/ar9003_calib.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 63089cc..a0387a0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -1000,10 +1000,12 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
if (mci && IS_CHAN_2GHZ(chan) && run_agc_cal)
ar9003_mci_init_cal_req(ah, &is_reusable);
- txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
- udelay(5);
- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+ if (!(IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan))) {
+ txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
+ udelay(5);
+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+ }
skip_tx_iqcal:
if (run_agc_cal || !(ah->ah_flags & AH_FASTCC)) {
--
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 ` [PATCH v2 4/8] ath9k_hw: increase symbol overlap window for half/quarter channels Felix Fietkau
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 ` Felix Fietkau [this message]
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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