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ath9k_hw: Do not enable IQ-CAL for half/quarter rates

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IQ calibration doesn't complete and times out for half/quarter
rates, so skip it correctly.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan
2013-01-07 13:53:46 +05:30
committed by John W. Linville
parent 72a525cbb8
commit 4656b8f680
1 changed files with 6 additions and 7 deletions
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13
drivers/net/wireless/ath/ath9k/ar9003_calib.c
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@@ -1013,7 +1013,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
}
}
if (!(ah->enabled_cals & TX_IQ_CAL))
if ((IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan)) ||
!(ah->enabled_cals & TX_IQ_CAL))
goto skip_tx_iqcal;
/* Do Tx IQ Calibration */
@@ -1040,12 +1041,10 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal)
ar9003_mci_init_cal_req(ah, &is_reusable);
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);
}
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)) {