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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-11 00:17:47 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-16 23:19:26 +0100
commit50f97e919faf93c3fae475b8c057eeffbb2e8c8b (patch)
tree7904462ea488bbe6b56519fc4aa9a648c0359bd4 /drivers/rtc
parent3948a866822e77571dadaddebb6c5770ee1b1ad1 (diff)
rtc: opal: constify opal_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/20210110231752.1418816-13-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-opal.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-opal.c b/drivers/rtc/rtc-opal.c
index c586f695bdc9..f8f49a969c23 100644
--- a/drivers/rtc/rtc-opal.c
+++ b/drivers/rtc/rtc-opal.c
@@ -224,9 +224,12 @@ static int opal_tpo_alarm_irq_enable(struct device *dev, unsigned int enabled)
return enabled ? 0 : opal_set_tpo_time(dev, &alarm);
}
-static struct rtc_class_ops opal_rtc_ops = {
+static const struct rtc_class_ops opal_rtc_ops = {
.read_time = opal_get_rtc_time,
.set_time = opal_set_rtc_time,
+ .read_alarm = opal_get_tpo_time,
+ .set_alarm = opal_set_tpo_time,
+ .alarm_irq_enable = opal_tpo_alarm_irq_enable,
};
static int opal_rtc_probe(struct platform_device *pdev)
@@ -239,12 +242,10 @@ static int opal_rtc_probe(struct platform_device *pdev)
if (pdev->dev.of_node &&
(of_property_read_bool(pdev->dev.of_node, "wakeup-source") ||
- of_property_read_bool(pdev->dev.of_node, "has-tpo")/* legacy */)) {
+ of_property_read_bool(pdev->dev.of_node, "has-tpo")/* legacy */))
device_set_wakeup_capable(&pdev->dev, true);
- opal_rtc_ops.read_alarm = opal_get_tpo_time;
- opal_rtc_ops.set_alarm = opal_set_tpo_time;
- opal_rtc_ops.alarm_irq_enable = opal_tpo_alarm_irq_enable;
- }
+ else
+ clear_bit(RTC_FEATURE_ALARM, rtc->features);
rtc->ops = &opal_rtc_ops;
rtc->range_min = RTC_TIMESTAMP_BEGIN_0000;