rtc: rv8803: use IRQ flags obtained from fwnode

Allow the IRQ type to be passed from the device tree if available as there
may be components changing the trigger type of the interrupt between the
RTC and the IRQ controller.

Link: https://lore.kernel.org/r/20230123200217.1236011-12-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c
index b581b6d5ad731730bbe1f4e18601917cf26f541e..53d1de01b719728934a352e31299cb26f51bcc82 100644 (file)
--- a/drivers/rtc/rtc-rv8803.c
+++ b/drivers/rtc/rtc-rv8803.c
@@ -641,9 +641,14 @@ static int rv8803_probe(struct i2c_client *client)
                return PTR_ERR(rv8803->rtc);
 
        if (client->irq > 0) {
+               unsigned long irqflags = IRQF_TRIGGER_LOW;
+
+               if (dev_fwnode(&client->dev))
+                       irqflags = 0;
+
                err = devm_request_threaded_irq(&client->dev, client->irq,
                                                NULL, rv8803_handle_irq,
-                                               IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+                                               irqflags | IRQF_ONESHOT,
                                                "rv8803", client);
                if (err) {
                        dev_warn(&client->dev, "unable to request IRQ, alarms disabled\n");