Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clk/versatile/clk-versatile.c b/drivers/clk/versatile/clk-versatile.c
index d6960de..fd54d5c 100644
--- a/drivers/clk/versatile/clk-versatile.c
+++ b/drivers/clk/versatile/clk-versatile.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Clock driver for the ARM Integrator/AP, Integrator/CP, Versatile AB and
  * Versatile PB boards.
  * Copyright (C) 2012 Linus Walleij
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/clk-provider.h>
 #include <linux/err.h>
@@ -73,6 +70,7 @@
 			return;
 		}
 		cm_base = of_iomap(parent, 0);
+		of_node_put(parent);
 		if (!cm_base) {
 			pr_err("could not remap core module base\n");
 			return;