diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 7767cbb..32620c4 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -170,6 +170,15 @@
 	.llseek		= seq_lseek,
 	.release	= single_release,
 };
+
+static void rbtree_debugfs_init(struct regmap *map)
+{
+	debugfs_create_file("rbtree", 0400, map->debugfs, map, &rbtree_fops);
+}
+#else
+static void rbtree_debugfs_init(struct regmap *map)
+{
+}
 #endif
 
 static int regcache_rbtree_init(struct regmap *map)
@@ -194,7 +203,7 @@
 			goto err;
 	}
 
-	debugfs_create_file("rbtree", 0400, map->debugfs, map, &rbtree_fops);
+	rbtree_debugfs_init(map);
 
 	return 0;