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rtc: m41t80: use IRQ flags obtained from fwnode

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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/20230123200217.1236011-4-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2023-01-23 21:02:09 +01:00
parent badba1e5b1
commit f181987ef4
1 changed files with 6 additions and 1 deletions
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7
drivers/rtc/rtc-m41t80.c
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@ -914,9 +914,14 @@ static int m41t80_probe(struct i2c_client *client)
"wakeup-source");
#endif
if (client->irq > 0) {
unsigned long irqflags = IRQF_TRIGGER_LOW;
if (dev_fwnode(&client->dev))
irqflags = 0;
rc = devm_request_threaded_irq(&client->dev, client->irq,
NULL, m41t80_handle_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
irqflags | IRQF_ONESHOT,
"m41t80", client);
if (rc) {
dev_warn(&client->dev, "unable to request IRQ, alarms disabled\n");