Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index c74a6c5..8c4f375 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SuperH Timer Support - TMU
  *
  *  Copyright (C) 2009 Magnus Damm
- *
- * 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; either version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <linux/clk.h>
@@ -470,11 +462,8 @@
 		ch->base = tmu->mapbase + 8 + ch->index * 12;
 
 	ch->irq = platform_get_irq(tmu->pdev, index);
-	if (ch->irq < 0) {
-		dev_err(&tmu->pdev->dev, "ch%u: failed to get irq\n",
-			ch->index);
+	if (ch->irq < 0)
 		return ch->irq;
-	}
 
 	ch->cs_enabled = false;
 	ch->enable_count = 0;