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rtc: pcf8523: 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/20230123200217.1236011-7-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2023-01-23 21:02:12 +01:00
parent 7e815272c8
commit 3542db1d1f
1 changed files with 6 additions and 1 deletions
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7
drivers/rtc/rtc-pcf8523.c
View File

@ -445,13 +445,18 @@ static int pcf8523_probe(struct i2c_client *client)
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);
if (client->irq > 0) {
unsigned long irqflags = IRQF_TRIGGER_LOW;
if (dev_fwnode(&client->dev))
irqflags = 0;
err = regmap_write(pcf8523->regmap, PCF8523_TMR_CLKOUT_CTRL, 0x38);
if (err < 0)
return err;
err = devm_request_threaded_irq(&client->dev, client->irq,
NULL, pcf8523_irq,
IRQF_SHARED | IRQF_ONESHOT | IRQF_TRIGGER_LOW,
IRQF_SHARED | IRQF_ONESHOT | irqflags,
dev_name(&rtc->dev), pcf8523);
if (err)
return err;