rtc: coh901331: switch to rtc_time64_to_tm/rtc_tm_to_time64

Call the 64bit versions of rtc_tm time conversion now that the range is
enforced by the core.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-coh901331.c

@@ -80,13 +80,14 @@ static int coh901331_read_time(struct device *dev, struct rtc_time *tm)
 
 	clk_enable(rtap->clk);
 	/* Check if the time is valid */
-	if (readl(rtap->virtbase + COH901331_VALID)) {
-		rtc_time_to_tm(readl(rtap->virtbase + COH901331_CUR_TIME), tm);
+	if (!readl(rtap->virtbase + COH901331_VALID)) {
 		clk_disable(rtap->clk);
-		return 0;
+		return -EINVAL;
 	}
+
+	rtc_time64_to_tm(readl(rtap->virtbase + COH901331_CUR_TIME), tm);
 	clk_disable(rtap->clk);
-	return -EINVAL;
+	return 0;
 }
 
 static int coh901331_set_mmss(struct device *dev, unsigned long secs)
@@ -105,7 +106,7 @@ static int coh901331_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	struct coh901331_port *rtap = dev_get_drvdata(dev);
 
 	clk_enable(rtap->clk);
-	rtc_time_to_tm(readl(rtap->virtbase + COH901331_ALARM), &alarm->time);
+	rtc_time64_to_tm(readl(rtap->virtbase + COH901331_ALARM), &alarm->time);
 	alarm->pending = readl(rtap->virtbase + COH901331_IRQ_EVENT) & 1U;
 	alarm->enabled = readl(rtap->virtbase + COH901331_IRQ_MASK) & 1U;
 	clk_disable(rtap->clk);
@@ -116,9 +117,8 @@ static int coh901331_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 static int coh901331_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 {
 	struct coh901331_port *rtap = dev_get_drvdata(dev);
-	unsigned long time;
+	unsigned long time =  rtc_tm_to_time64(&alarm->time);
 
-	rtc_tm_to_time(&alarm->time, &time);
 	clk_enable(rtap->clk);
 	writel(time, rtap->virtbase + COH901331_ALARM);
 	writel(alarm->enabled, rtap->virtbase + COH901331_IRQ_MASK);