--- zzzz-none-000/linux-4.9.276/net/wireless/core.c	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/net/wireless/core.c	2023-04-05 08:19:02.000000000 +0000
@@ -39,6 +39,7 @@
 
 /* RCU-protected (and RTNL for writers) */
 LIST_HEAD(cfg80211_rdev_list);
+EXPORT_SYMBOL(cfg80211_rdev_list);
 int cfg80211_rdev_list_generation;
 
 /* for debugfs */
@@ -440,6 +441,8 @@
 		}
 	}
 
+	rdev->scan_expire_time = IEEE80211_SCAN_RESULT_EXPIRE;
+
 	INIT_LIST_HEAD(&rdev->wiphy.wdev_list);
 	INIT_LIST_HEAD(&rdev->beacon_registrations);
 	spin_lock_init(&rdev->beacon_registrations_lock);
@@ -538,9 +541,9 @@
 				CFG80211_MAX_NUM_DIFFERENT_CHANNELS))
 			return -EINVAL;
 
-		/* DFS only works on one channel. */
+		/* Two different channels allowed by WLAN driver during CSA */
 		if (WARN_ON(c->radar_detect_widths &&
-			    (c->num_different_channels > 1)))
+			    (c->num_different_channels > 2)))
 			return -EINVAL;
 
 		if (WARN_ON(!c->n_limits))
@@ -966,6 +969,12 @@
 }
 EXPORT_SYMBOL(cfg80211_unregister_wdev);
 
+struct workqueue_struct *cfg80211_get_cfg80211_wq(void)
+{
+	return cfg80211_wq;
+}
+EXPORT_SYMBOL(cfg80211_get_cfg80211_wq);
+
 static const struct device_type wiphy_type = {
 	.name	= "wlan",
 };