rtc: armada38x: switch to rtc_time64_to_tm/rtc_tm_to_time64

Call the 64bit versions of rtc_time_to_tm and rtc_tm_to_time now that the
range is enforced by the core.
Signed-off-by: NAlexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-armada38x.c

@@ -224,7 +224,7 @@ static int armada38x_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	time = rtc->data->read_rtc_reg(rtc, RTC_TIME);
 	spin_unlock_irqrestore(&rtc->lock, flags);
 
-	rtc_time_to_tm(time, tm);
+	rtc_time64_to_tm(time, tm);
 
 	return 0;
 }
@@ -249,13 +249,9 @@ static void armada38x_rtc_reset(struct armada38x_rtc *rtc)
 static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);
-	int ret = 0;
 	unsigned long time, flags;
 
-	ret = rtc_tm_to_time(tm, &time);
-
-	if (ret)
-		goto out;
+	time = rtc_tm_to_time64(tm);
 
 	if (!rtc->initialized)
 		armada38x_rtc_reset(rtc);
@@ -264,8 +260,7 @@ static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	rtc_delayed_write(time, rtc, RTC_TIME);
 	spin_unlock_irqrestore(&rtc->lock, flags);
 
-out:
-	return ret;
+	return 0;
 }
 
 static int armada38x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
@@ -284,7 +279,7 @@ static int armada38x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 	spin_unlock_irqrestore(&rtc->lock, flags);
 
 	alrm->enabled = val ? 1 : 0;
-	rtc_time_to_tm(time,  &alrm->time);
+	rtc_time64_to_tm(time,  &alrm->time);
 
 	return 0;
 }
@@ -295,12 +290,8 @@ static int armada38x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 	u32 reg = ALARM_REG(RTC_ALARM1, rtc->data->alarm);
 	u32 reg_irq = ALARM_REG(RTC_IRQ1_CONF, rtc->data->alarm);
 	unsigned long time, flags;
-	int ret = 0;
 
-	ret = rtc_tm_to_time(&alrm->time, &time);
-
-	if (ret)
-		goto out;
+	time = rtc_tm_to_time64(&alrm->time);
 
 	spin_lock_irqsave(&rtc->lock, flags);
 
@@ -313,8 +304,7 @@ static int armada38x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	spin_unlock_irqrestore(&rtc->lock, flags);
 
-out:
-	return ret;
+	return 0;
 }
 
 static int armada38x_rtc_alarm_irq_enable(struct device *dev,