rtc: at91sam9: Switch to use %ptR

Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-at91sam9.c

@@ -124,9 +124,7 @@ static int at91_rtc_readtime(struct device *dev, struct rtc_time *tm)
 
 	rtc_time_to_tm(offset + secs, tm);
 
-	dev_dbg(dev, "%s: %4d-%02d-%02d %02d:%02d:%02d\n", "readtime",
-		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;
 }
@@ -141,9 +139,7 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
 	u32 offset, alarm, mr;
 	unsigned long secs;
 
-	dev_dbg(dev, "%s: %4d-%02d-%02d %02d:%02d:%02d\n", "settime",
-		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);
 
 	err = rtc_tm_to_time(tm, &secs);
 	if (err != 0)
@@ -199,9 +195,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	if (alarm != ALARM_DISABLED && offset != 0) {
 		rtc_time_to_tm(offset + alarm, tm);
 
-		dev_dbg(dev, "%s: %4d-%02d-%02d %02d:%02d:%02d\n", "readalarm",
-			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);
 
 		if (rtt_readl(rtc, MR) & AT91_RTT_ALMIEN)
 			alrm->enabled = 1;
@@ -242,9 +236,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	if (alrm->enabled)
 		rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);
 
-	dev_dbg(dev, "%s: %4d-%02d-%02d %02d:%02d:%02d\n", "setalarm",
-		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;
 }