ath9k_hw: Disable MRC CCK for AR9485

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index e2ffac3..2e31c77 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -358,7 +358,7 @@
 				     entry_cck->fir_step_level);
 
 	/* Skip MRC CCK for pre AR9003 families */
-	if (!AR_SREV_9300_20_OR_LATER(ah))
+	if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9485(ah))
 		return;
 
 	if (aniState->mrcCCKOff == entry_cck->mrc_cck_on)