diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index caa71d0..d119c6e 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *	Real Time Clock interface for Linux on Atmel AT91RM9200
  *
@@ -10,12 +11,6 @@
  *
  *	Based on sa1100-rtc.c by Nils Faerber
  *	Based on rtc.c by Paul Gortmaker
- *
- *	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, or (at your option) any later version.
- *
  */
 
 #include <linux/bcd.h>
@@ -147,9 +142,7 @@
 	tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);
 	tm->tm_year = tm->tm_year - 1900;
 
-	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
-		1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
-		tm->tm_hour, tm->tm_min, tm->tm_sec);
+	dev_dbg(dev, "%s(): %ptR\n", __func__, tm);
 
 	return 0;
 }
@@ -161,9 +154,7 @@
 {
 	unsigned long cr;
 
-	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
-		1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
-		tm->tm_hour, tm->tm_min, tm->tm_sec);
+	dev_dbg(dev, "%s(): %ptR\n", __func__, tm);
 
 	wait_for_completion(&at91_rtc_upd_rdy);
 
@@ -209,8 +200,7 @@
 	alrm->enabled = (at91_rtc_read_imr() & AT91_RTC_ALARM)
 			? 1 : 0;
 
-	dev_dbg(dev, "%s(): %02d-%02d %02d:%02d:%02d %sabled\n", __func__,
-		tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
+	dev_dbg(dev, "%s(): %ptR %sabled\n", __func__, tm,
 		alrm->enabled ? "en" : "dis");
 
 	return 0;
@@ -247,9 +237,7 @@
 		at91_rtc_write_ier(AT91_RTC_ALARM);
 	}
 
-	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
-		tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour,
-		tm.tm_min, tm.tm_sec);
+	dev_dbg(dev, "%s(): %ptR\n", __func__, &tm);
 
 	return 0;
 }
@@ -390,10 +378,8 @@
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "no irq resource defined\n");
+	if (irq < 0)
 		return -ENXIO;
-	}
 
 	at91_rtc_regs = devm_ioremap(&pdev->dev, regs->start,
 				     resource_size(regs));