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rtc: expose RTC_FEATURE_UPDATE_INTERRUPT

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Set RTC_FEATURE_UPDATE_INTERRUPT by default and clear it when it is not
supported.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211018152337.78732-1-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni
2021-10-18 17:23:36 +02:00
parent 7d7234a4ff
commit adb17a053e
2 changed files with 6 additions and 1 deletions
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4
drivers/rtc/class.c
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@@ -232,6 +232,7 @@ static struct rtc_device *rtc_allocate_device(void)
rtc->pie_enabled = 0;
set_bit(RTC_FEATURE_ALARM, rtc->features);
set_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);
return rtc;
}
@@ -389,6 +390,9 @@ int __devm_rtc_register_device(struct module *owner, struct rtc_device *rtc)
if (!rtc->ops->set_alarm)
clear_bit(RTC_FEATURE_ALARM, rtc->features);
if (rtc->uie_unsupported)
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);
if (rtc->ops->set_offset)
set_bit(RTC_FEATURE_CORRECTION, rtc->features);