Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clk/renesas/clk-rz.c b/drivers/clk/renesas/clk-rz.c
index ac2f86d..fbc34be 100644
--- a/drivers/clk/renesas/clk-rz.c
+++ b/drivers/clk/renesas/clk-rz.c
@@ -1,17 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * RZ/A1 Core CPG Clocks
  *
  * Copyright (C) 2013 Ideas On Board SPRL
  * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
  */
 
 #include <linux/clk-provider.h>
 #include <linux/clk/renesas.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
@@ -113,8 +111,8 @@
 
 		clk = rz_cpg_register_clock(np, cpg, name);
 		if (IS_ERR(clk))
-			pr_err("%s: failed to register %s %s clock (%ld)\n",
-			       __func__, np->name, name, PTR_ERR(clk));
+			pr_err("%s: failed to register %pOFn %s clock (%ld)\n",
+			       __func__, np, name, PTR_ERR(clk));
 		else
 			cpg->data.clks[i] = clk;
 	}