--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -395,7 +395,7 @@ static void ath9k_hw_init_config(struct 
 		ah->config.spurchans[i][1] = AR_NO_SPUR;
 	}
 
-	ah->config.intr_mitigation = true;
+	ah->config.intr_mitigation = false;
 
 	/*
 	 * We need this for PCI devices only (Cardbus, PCI, miniPCI)