diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index a6cb48d9d2e..54aae931424 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -956,6 +956,10 @@ int ath9k_init_debug(struct ath_hw *ah)
 			sc->debug.debugfs_phy, sc, &fops_regval))
 		goto err;
 
+	if (!debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
+			sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
+		goto err;
+
 	sc->debug.regidx = 0;
 	return 0;
 err:
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index ba84ac7ac4e..20ec29f8bd8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -238,7 +238,7 @@ struct ath9k_ops_config {
 	int sw_beacon_response_time;
 	int additional_swba_backoff;
 	int ack_6mb;
-	int cwm_ignore_extcca;
+	u32 cwm_ignore_extcca;
 	u8 pcie_powersave_enable;
 	u8 pcie_clock_req;
 	u32 pcie_waen;