Commit 1a064850 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

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: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent d8bced4b

drivers/rtc/rtc-vt8500.c

+2 −6
Original line number Diff line number Diff line
@@ -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);