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/20230123200217.1236011-9-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 0a7fd94784651b9e604e8e626b79ee1c182fb9a3..7e720472213c7c76e2971880d92d68550875e127 100644 (file)
--- 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",