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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2023-01-23 21:02:12 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2023-02-01 09:13:35 +0100
commit3542db1d1fd62f75eb69079d219d88170626444f (patch)
tree3fb0926fd1483975d7ca6d28b1cee1092001105f /drivers/rtc/rtc-pcf8523.c
parent7e815272c8d0922ad1d0def11496ac63fa71fa78 (diff)
downloadlwn-3542db1d1fd62f75eb69079d219d88170626444f.tar.gz
lwn-3542db1d1fd62f75eb69079d219d88170626444f.zip
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>
Diffstat (limited to 'drivers/rtc/rtc-pcf8523.c')
-rw-r--r--drivers/rtc/rtc-pcf8523.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c
index 92de99f11a7a..2e111cdb94f7 100644
--- a/drivers/rtc/rtc-pcf8523.c
+++ b/drivers/rtc/rtc-pcf8523.c
@@ -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;