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rtc: opal: set range 

It is a BCD RTC with 4 digits for the year.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210110224606.1414307-1-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2021-01-10 23:46:06 +01:00
parent 446667df28
commit 1bf3e6cce8
1 changed files with 8 additions and 6 deletions
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14
drivers/rtc/rtc-opal.c
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@ -233,6 +233,10 @@ static int opal_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
if (pdev->dev.of_node &&
(of_property_read_bool(pdev->dev.of_node, "wakeup-source") ||
of_property_read_bool(pdev->dev.of_node, "has-tpo")/* legacy */)) {
@ -242,14 +246,12 @@ static int opal_rtc_probe(struct platform_device *pdev)
opal_rtc_ops.alarm_irq_enable = opal_tpo_alarm_irq_enable;
}
rtc = devm_rtc_device_register(&pdev->dev, DRVNAME, &opal_rtc_ops,
THIS_MODULE);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
rtc->ops = &opal_rtc_ops;
rtc->range_min = RTC_TIMESTAMP_BEGIN_0000;
rtc->range_max = RTC_TIMESTAMP_END_9999;
rtc->uie_unsupported = 1;
return 0;
return devm_rtc_register_device(rtc);
}
static const struct of_device_id opal_rtc_match[] = {