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Commit 6f37ff96 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
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ath9k_hw: Fix max rx rate drop for AR9565 



Whenever i_coff of IQ calibration is too high, AR9565 drops max
rx rate to MCS4. Skipping IQ update at this time can avoid this
problem for AR9565.

Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 2097fdd7

drivers/net/wireless/ath/ath9k/ar9003_calib.c

+5 −0
Original line number Diff line number Diff line
@@ -276,6 +276,11 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains) 
				offset_array[i],

				REG_READ(ah, offset_array[i]));



			if (AR_SREV_9565(ah) &&

			    (iCoff == 63 || qCoff == 63 ||

			     iCoff == -63 || qCoff == -63))

				return;



			REG_RMW_FIELD(ah, offset_array[i],

				      AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF,

				      iCoff);