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ath9k_hw: fix calibration on 5 ghz

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commit 0e4660cbe5 upstream.

ADC calibrations cannot run on 5 GHz with fast clock enabled. They
need to be disabled, otherwise they'll hang and IQ mismatch calibration
will not be run either.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Adrian Chadd <adrian@freebsd.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Felix Fietkau
2011-08-29 10:06:14 +02:00
committed by Greg Kroah-Hartman
parent 9f4929636f
commit 88294ead62
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/ath/ath9k/ar9002_calib.c
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@@ -41,7 +41,8 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah,
case ADC_DC_CAL:
/* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
if (!IS_CHAN_B(chan) &&
!(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
!((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) &&
IS_CHAN_HT20(chan)))
supported = true;
break;
}