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>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 1baca8e..a0aaa68 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -370,7 +370,7 @@
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 @@
else
spur_subchannel_sd = 1;
- spur_freq_sd = ((freq_offset - 10) << 9) / 11;
+ spur_freq_sd = (freq_offset << 9) / 11;
}