ath9k_hw: Update CCK spur mitigation for AR9462

To improve CCK sensitivity for AR9462 chips, performing
spur mitigation at 2440, 2464 frequencies alone is sufficient.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index fe96997921d3..04b060af5087 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -198,12 +198,14 @@ static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah,
                         synth_freq = chan->channel;
                 }
         } else {
-                range = 10;
+                range = AR_SREV_9462(ah) ? 5 : 10;
                 max_spur_cnts = 4;
                 synth_freq = chan->channel;
         }
 
         for (i = 0; i < max_spur_cnts; i++) {
+                if (AR_SREV_9462(ah) && (i == 0 || i == 3))
+                        continue;
                 negative = 0;
                 if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah))
                         cur_bb_spur = FBIN2FREQ(spur_fbin_ptr[i],