rtc: vt8500: let the core handle rtc range

Let the rtc core check the date/time against the RTC range.

Link: https://lore.kernel.org/r/20191016201626.31309-5-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index 0761478..e258862 100644 (file)
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -122,12 +122,6 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
        struct vt8500_rtc *vt8500_rtc = dev_get_drvdata(dev);
 
-       if (tm->tm_year < 100) {
-               dev_warn(dev, "Only years 2000-2199 are supported by the "
-                             "hardware!\n");
-               return -EINVAL;
-       }
-
        writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S)
                | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
                | (bin2bcd(tm->tm_mday))
@@ -227,6 +221,8 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
                return PTR_ERR(vt8500_rtc->rtc);
 
        vt8500_rtc->rtc->ops = &vt8500_rtc_ops;
+       vt8500_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+       vt8500_rtc->rtc->range_max = RTC_TIMESTAMP_END_2199;
 
        ret = devm_request_irq(&pdev->dev, vt8500_rtc->irq_alarm,
                                vt8500_rtc_irq, 0, "rtc alarm", vt8500_rtc);