diff options
| author | Felix Fietkau | 2012-04-19 21:18:27 +0200 |
|---|---|---|
| committer | John W. Linville | 2012-04-23 21:35:31 +0200 |
| commit | e5d821a4ff5bdaba2281b213582e3da7edfb1d3f (patch) | |
| tree | 92442702676ae27b166796a853a62eae2db8aa6b /drivers/net/wireless/ath/ath9k | |
| parent | ath9k_hw: fix and clean up PHY activation delay (diff) | |
| download | kernel-qcow2-linux-e5d821a4ff5bdaba2281b213582e3da7edfb1d3f.tar.gz kernel-qcow2-linux-e5d821a4ff5bdaba2281b213582e3da7edfb1d3f.tar.xz kernel-qcow2-linux-e5d821a4ff5bdaba2281b213582e3da7edfb1d3f.zip | |
ath9k_hw: disable Tx IQ calibration on half/quarter channels
It does not work properly and reduces throughput.
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')
| -rw-r--r-- | 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 63089cc1fafd..a0387a027db0 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)) { |