--- zzzz-none-000/linux-2.6.39.4/net/ieee802154/wpan-class.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/ieee802154/wpan-class.c	2021-11-10 13:38:18.000000000 +0000
@@ -91,7 +91,7 @@
 static DEFINE_MUTEX(wpan_phy_mutex);
 static int wpan_phy_idx;
 
-static int wpan_phy_match(struct device *dev, void *data)
+static int wpan_phy_match(struct device *dev, const void *data)
 {
 	return !strcmp(dev_name(dev), (const char *)data);
 }
@@ -103,8 +103,7 @@
 	if (WARN_ON(!str))
 		return NULL;
 
-	dev = class_find_device(&wpan_phy_class, NULL,
-			(void *)str, wpan_phy_match);
+	dev = class_find_device(&wpan_phy_class, NULL, str, wpan_phy_match);
 	if (!dev)
 		return NULL;