Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index ac9ca10..67e2187 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ST M48T59 RTC driver
  *
  * Copyright (c) 2007 Wind River Systems, Inc.
  *
  * Author: Mark Zhan <rongkai.zhan@windriver.com>
- *
- * 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/kernel.h>
@@ -99,9 +96,7 @@
 	M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
 	spin_unlock_irqrestore(&m48t59->lock, flags);
 
-	dev_dbg(dev, "RTC read time %04d-%02d-%02d %02d/%02d/%02d\n",
-		tm->tm_year + 1900, tm->tm_mon, tm->tm_mday,
-		tm->tm_hour, tm->tm_min, tm->tm_sec);
+	dev_dbg(dev, "RTC read time %ptR\n", tm);
 	return 0;
 }
 
@@ -188,9 +183,7 @@
 	M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
 	spin_unlock_irqrestore(&m48t59->lock, flags);
 
-	dev_dbg(dev, "RTC read alarm time %04d-%02d-%02d %02d/%02d/%02d\n",
-		tm->tm_year + 1900, tm->tm_mon, tm->tm_mday,
-		tm->tm_hour, tm->tm_min, tm->tm_sec);
+	dev_dbg(dev, "RTC read alarm time %ptR\n", tm);
 	return rtc_valid_tm(tm);
 }