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
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732b7341b1
Коммит
3948a86682
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@ -397,10 +397,13 @@ static int m41t80_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
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return 0;
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}
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static struct rtc_class_ops m41t80_rtc_ops = {
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static const struct rtc_class_ops m41t80_rtc_ops = {
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.read_time = m41t80_rtc_read_time,
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.set_time = m41t80_rtc_set_time,
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.proc = m41t80_rtc_proc,
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.read_alarm = m41t80_read_alarm,
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.set_alarm = m41t80_set_alarm,
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.alarm_irq_enable = m41t80_alarm_irq_enable,
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};
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#ifdef CONFIG_PM_SLEEP
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@ -913,13 +916,10 @@ static int m41t80_probe(struct i2c_client *client,
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wakeup_source = false;
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}
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}
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if (client->irq > 0 || wakeup_source) {
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m41t80_rtc_ops.read_alarm = m41t80_read_alarm;
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m41t80_rtc_ops.set_alarm = m41t80_set_alarm;
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m41t80_rtc_ops.alarm_irq_enable = m41t80_alarm_irq_enable;
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/* Enable the wakealarm */
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if (client->irq > 0 || wakeup_source)
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device_init_wakeup(&client->dev, true);
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}
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else
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clear_bit(RTC_FEATURE_ALARM, m41t80_data->rtc->features);
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m41t80_data->rtc->ops = &m41t80_rtc_ops;
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m41t80_data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
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