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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-10 23:46:06 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-13 00:35:37 +0100
commit1bf3e6cce8305638a859f6192635ad73af525d85 (patch)
tree3f967db159c6378104f5b8eadbea733c6e0050cb /drivers/rtc/rtc-opal.c
parent446667df283002fdda0530523347ffd1cf053373 (diff)
downloadlinux-1bf3e6cce8305638a859f6192635ad73af525d85.tar.gz
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
Diffstat (limited to 'drivers/rtc/rtc-opal.c')
-rw-r--r--drivers/rtc/rtc-opal.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-opal.c b/drivers/rtc/rtc-opal.c
index 7b9f8bcf86fec..c586f695bdc98 100644
--- a/drivers/rtc/rtc-opal.c
+++ b/drivers/rtc/rtc-opal.c
@@ -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[] = {