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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-11 00:17:46 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-16 23:19:26 +0100
commit3948a866822e77571dadaddebb6c5770ee1b1ad1 (patch)
tree4065635db5f933f1c741c33f4fe08d053a636283 /drivers/rtc
parent732b7341b1411c85c8f7f5f7bf1081b5ca8735bd (diff)
downloadlinux-3948a866822e77571dadaddebb6c5770ee1b1ad1.tar.bz2
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
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-m41t80.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 160dcf68e64e..e3ddd660d68c 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -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;