diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index ebb3b6d169ea..71c4735a31ee 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -605,13 +605,9 @@ int mac_hwclk(int op, struct rtc_time *t)
 		unmktime(now, 0,
 			 &t->tm_year, &t->tm_mon, &t->tm_mday,
 			 &t->tm_hour, &t->tm_min, &t->tm_sec);
-		pr_debug("%s: read %04d-%02d-%-2d %02d:%02d:%02d\n",
-		         __func__, t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
-		         t->tm_hour, t->tm_min, t->tm_sec);
+		pr_debug("%s: read %ptR\n", __func__, t);
 	} else { /* write */
-		pr_debug("%s: tried to write %04d-%02d-%-2d %02d:%02d:%02d\n",
-		         __func__, t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
-		         t->tm_hour, t->tm_min, t->tm_sec);
+		pr_debug("%s: tried to write %ptR\n", __func__, t);
 
 		switch (macintosh_config->adb_type) {
 		case MAC_ADB_IOP: