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Groups > linux.kernel > #1623434

[PATCH] Input: ar1021 - do not force raising edge IRQ trigger

From Dmitry Torokhov <dmitry.torokhov@gmail.com>
Newsgroups linux.kernel
Subject [PATCH] Input: ar1021 - do not force raising edge IRQ trigger
Date 2017-04-14 01:50 +0200
Message-ID <tvWEV-1Js-21@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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We should not be forcing edge triggered interrupt, but rather let platform
decide the kind of trigger it needs to use. Also, the driver is not quite
safe with regard to edge-triggered interrupts as it does not try to kick
the controller after requesting/enabling IRQ.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/input/touchscreen/ar1021_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c
index 6797e123925a..6c3c79b7ff51 100644
--- a/drivers/input/touchscreen/ar1021_i2c.c
+++ b/drivers/input/touchscreen/ar1021_i2c.c
@@ -109,7 +109,7 @@ static int ar1021_i2c_probe(struct i2c_client *client,
 
 	error = devm_request_threaded_irq(&client->dev, client->irq,
 					  NULL, ar1021_i2c_irq,
-					  IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+					  IRQF_ONESHOT,
 					  "ar1021_i2c", ar1021);
 	if (error) {
 		dev_err(&client->dev,
-- 
2.12.2.762.g0e3151a226-goog


-- 
Dmitry

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Thread

[PATCH] Input: ar1021 - do not force raising edge IRQ trigger Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-04-14 01:50 +0200
  Re: [PATCH] Input: ar1021 - do not force raising edge IRQ trigger Martin Kepplinger <martin.kepplinger@ginzinger.com> - 2017-04-14 08:00 +0200
  Re: [PATCH] Input: ar1021 - do not force raising edge IRQ trigger Christian Gmeiner <christian.gmeiner@gmail.com> - 2017-04-14 09:40 +0200
  Re: [PATCH] Input: ar1021 - do not force raising edge IRQ trigger Jean Delvare <jdelvare@suse.de> - 2017-04-15 08:50 +0200

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