rtc: ab-eoz9: support UIE when available

The RTC actually supports UIE when an interrupt is available.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211107225458.111068-5-alexandre.belloni@bootlin.com

diff --git a/drivers/rtc/rtc-ab-eoz9.c b/drivers/rtc/rtc-ab-eoz9.c
index 50ead6fce880e7ddfc6d6830e3c03fec231639e9..e188ab517f1ed2b46f927e88ba998d63365216ad 100644 (file)
--- a/drivers/rtc/rtc-ab-eoz9.c
+++ b/drivers/rtc/rtc-ab-eoz9.c
@@ -534,7 +534,6 @@ static int abeoz9_probe(struct i2c_client *client,
        data->rtc->ops = &rtc_ops;
        data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
        data->rtc->range_max = RTC_TIMESTAMP_END_2099;
-       clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, data->rtc->features);
        clear_bit(RTC_FEATURE_ALARM, data->rtc->features);
 
        if (client->irq > 0) {
@@ -546,6 +545,8 @@ static int abeoz9_probe(struct i2c_client *client,
                        dev_err(dev, "failed to request alarm irq\n");
                        return ret;
                }
+       } else {
+               clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, data->rtc->features);
        }
 
        if (client->irq > 0 || device_property_read_bool(dev, "wakeup-source")) {