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rtc: m41t80: constify m41t80_rtc_ops 

Use RTC_FEATURE_ALARM to signal to the core whether alarms are available
instead of changing the global struct rtc_class_ops, allowing to make it
const.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210110231752.1418816-12-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2021-01-11 00:17:46 +01:00
parent 732b7341b1
commit 3948a86682
1 changed files with 7 additions and 7 deletions
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14
drivers/rtc/rtc-m41t80.c
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@ -397,10 +397,13 @@ static int m41t80_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
return 0;
}
static struct rtc_class_ops m41t80_rtc_ops = {
static const struct rtc_class_ops m41t80_rtc_ops = {
.read_time = m41t80_rtc_read_time,
.set_time = m41t80_rtc_set_time,
.proc = m41t80_rtc_proc,
.read_alarm = m41t80_read_alarm,
.set_alarm = m41t80_set_alarm,
.alarm_irq_enable = m41t80_alarm_irq_enable,
};
#ifdef CONFIG_PM_SLEEP
@ -913,13 +916,10 @@ static int m41t80_probe(struct i2c_client *client,
wakeup_source = false;
}
}
if (client->irq > 0 || wakeup_source) {
m41t80_rtc_ops.read_alarm = m41t80_read_alarm;
m41t80_rtc_ops.set_alarm = m41t80_set_alarm;
m41t80_rtc_ops.alarm_irq_enable = m41t80_alarm_irq_enable;
/* Enable the wakealarm */
if (client->irq > 0 || wakeup_source)
device_init_wakeup(&client->dev, true);
}
else
clear_bit(RTC_FEATURE_ALARM, m41t80_data->rtc->features);
m41t80_data->rtc->ops = &m41t80_rtc_ops;
m41t80_data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;