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path: root/drivers/rtc/rtc-opal.c
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Diffstat (limited to 'drivers/rtc/rtc-opal.c')
-rw-r--r--drivers/rtc/rtc-opal.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/rtc/rtc-opal.c b/drivers/rtc/rtc-opal.c
index 7b9f8bcf86fe..f8f49a969c23 100644
--- a/drivers/rtc/rtc-opal.c
+++ b/drivers/rtc/rtc-opal.c
@@ -224,32 +224,35 @@ static int opal_tpo_alarm_irq_enable(struct device *dev, unsigned int enabled)
return enabled ? 0 : opal_set_tpo_time(dev, &alarm);
}
-static struct rtc_class_ops opal_rtc_ops = {
+static const struct rtc_class_ops opal_rtc_ops = {
.read_time = opal_get_rtc_time,
.set_time = opal_set_rtc_time,
+ .read_alarm = opal_get_tpo_time,
+ .set_alarm = opal_set_tpo_time,
+ .alarm_irq_enable = opal_tpo_alarm_irq_enable,
};
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 */)) {
+ of_property_read_bool(pdev->dev.of_node, "has-tpo")/* legacy */))
device_set_wakeup_capable(&pdev->dev, true);
- opal_rtc_ops.read_alarm = opal_get_tpo_time;
- opal_rtc_ops.set_alarm = opal_set_tpo_time;
- 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);
+ else
+ clear_bit(RTC_FEATURE_ALARM, rtc->features);
+ 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[] = {