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rtc: cmos: remove cmos_rtc_ops_no_alarm 

Clear RTC_FEATURE_ALARM to signal that alarms are not available instead of
having a supplementary struct rtc_class_ops with a NULL .set_alarm.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210110231752.1418816-5-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2021-01-11 00:17:39 +01:00
parent 95151801ed
commit 30f5bd537f
1 changed files with 3 additions and 9 deletions
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12
drivers/rtc/rtc-cmos.c
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@ -574,12 +574,6 @@ static const struct rtc_class_ops cmos_rtc_ops = {
.alarm_irq_enable = cmos_alarm_irq_enable,
};
static const struct rtc_class_ops cmos_rtc_ops_no_alarm = {
.read_time = cmos_read_time,
.set_time = cmos_set_time,
.proc = cmos_procfs,
};
/*----------------------------------------------------------------*/
/*
@ -857,12 +851,12 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
dev_dbg(dev, "IRQ %d is already in use\n", rtc_irq);
goto cleanup1;
}
cmos_rtc.rtc->ops = &cmos_rtc_ops;
} else {
cmos_rtc.rtc->ops = &cmos_rtc_ops_no_alarm;
clear_bit(RTC_FEATURE_ALARM, cmos_rtc.rtc->features);
}
cmos_rtc.rtc->ops = &cmos_rtc_ops;
retval = devm_rtc_register_device(cmos_rtc.rtc);
if (retval)
goto cleanup2;