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ath9k_hw: Fix incorrect spur_freq_sd for AR9003

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Spur frequency was incorrectly computed with 10Mhz offset
which could cause the filter would not notch out the spur
and also this could improve rx sensitivity in HT40.

Cc: Madhan Jaganathan <madhanj@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-08-05 18:59:42 +05:30 committed by John W. Linville
parent b037b69326
commit a844adfd7b
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/ath/ath9k/ar9003_phy.c
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@ -370,7 +370,7 @@ static void ar9003_hw_spur_ofdm_work(struct ath_hw *ah,
else
spur_subchannel_sd = 0;
spur_freq_sd = ((freq_offset + 10) << 9) / 11;
spur_freq_sd = (freq_offset << 9) / 11;
} else {
if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL,
@ -379,7 +379,7 @@ static void ar9003_hw_spur_ofdm_work(struct ath_hw *ah,
else
spur_subchannel_sd = 1;
spur_freq_sd = ((freq_offset - 10) << 9) / 11;
spur_freq_sd = (freq_offset << 9) / 11;
}