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authorChen-Yu Tsai <wens@csie.org>2019-06-04 07:23:35 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-27 16:50:56 +0300
commit31bd5d80c1477e9cc32abeb1f244a31b7020ff7d (patch)
treed3020b371707fcf6e148a11d5cb977743d4da550
parent63f47d2b2d5b703d4e4bfdd1a79b92d86a89c4c2 (diff)
downloadlinux-31bd5d80c1477e9cc32abeb1f244a31b7020ff7d.tar.xz
rtc: pcf8563: Fix interrupt trigger method
[ Upstream commit 65f662cbf829834fa4d94190eb7691e5a9cb92d8 ] The PCF8563 datasheet says the interrupt line is active low and stays active until the events are cleared, i.e. a level trigger interrupt. Fix the flags used to request the interrupt. Fixes: ede3e9d47cca ("drivers/rtc/rtc-pcf8563.c: add alarm support") Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/rtc/rtc-pcf8563.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 3efc86c25d27..e358313466f1 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -605,7 +605,7 @@ static int pcf8563_probe(struct i2c_client *client,
if (client->irq > 0) {
err = devm_request_threaded_irq(&client->dev, client->irq,
NULL, pcf8563_irq,
- IRQF_SHARED|IRQF_ONESHOT|IRQF_TRIGGER_FALLING,
+ IRQF_SHARED | IRQF_ONESHOT | IRQF_TRIGGER_LOW,
pcf8563_driver.driver.name, client);
if (err) {
dev_err(&client->dev, "unable to request IRQ %d\n",