rtc: ab8500: switch to rtc_time64_to_tm/rtc_tm_to_time64

Call the 64bit versions of rtc_tm time conversion.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200306010101.39517-1-alexandre.belloni@bootlin.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-ab8500.c

@@ -100,7 +100,7 @@ static int ab8500_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	secs =	secs / COUNTS_PER_SEC;
 	secs =	secs + (mins * 60);
 
-	rtc_time_to_tm(secs, tm);
+	rtc_time64_to_tm(secs, tm);
 	return 0;
 }
 
@@ -110,7 +110,7 @@ static int ab8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	unsigned char buf[ARRAY_SIZE(ab8500_rtc_time_regs)];
 	unsigned long no_secs, no_mins, secs = 0;
 
-	rtc_tm_to_time(tm, &secs);
+	secs = rtc_tm_to_time64(tm);
 
 	no_mins = secs / 60;
 
@@ -168,7 +168,7 @@ static int ab8500_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	mins = (buf[0] << 16) | (buf[1] << 8) | (buf[2]);
 	secs = mins * 60;
 
-	rtc_time_to_tm(secs, &alarm->time);
+	rtc_time64_to_tm(secs, &alarm->time);
 
 	return 0;
 }
@@ -188,7 +188,7 @@ static int ab8500_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	struct rtc_time curtm;
 
 	/* Get the number of seconds since 1970 */
-	rtc_tm_to_time(&alarm->time, &secs);
+	secs = rtc_tm_to_time64(&alarm->time);
 
 	/*
 	 * Check whether alarm is set less than 1min.
@@ -196,7 +196,7 @@ static int ab8500_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	 * return -EINVAL, so UIE EMUL can take it up, incase of UIE_ON
 	 */
 	ab8500_rtc_read_time(dev, &curtm); /* Read current time */
-	rtc_tm_to_time(&curtm, &cursec);
+	cursec = rtc_tm_to_time64(&curtm);
 	if ((secs - cursec) < 59) {
 		dev_dbg(dev, "Alarm less than 1 minute not supported\r\n");
 		return -EINVAL;