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ath9k_hw: Fix incorrect spur_freq_sd for AR9003 

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;
}