rtc: pcf8563: 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/[email protected] Signed-off-by: Alexandre Belloni <[email protected]>
htbegin · Feb 1, 2023 · 827009a · 827009a
1 parent dd7166c
commit 827009a
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
@@ -558,9 +558,14 @@ static int pcf8563_probe(struct i2c_client *client)
 	pcf8563->rtc->set_start_time = true;
 
 	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, pcf8563_irq,
-				IRQF_SHARED | IRQF_ONESHOT | IRQF_TRIGGER_LOW,
+				IRQF_SHARED | IRQF_ONESHOT | irqflags,
 				pcf8563_driver.driver.name, client);
 		if (err) {
 			dev_err(&client->dev, "unable to request IRQ %d\n",