From: David Jander <david@protonic.nl>
Date: Wed, 8 Jun 2011 17:34:41 +0000 (-0600)
Subject: gpio/pca953x: Interrupt pin is active-low
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=17e8b42c17c3e9735ea03c4e6b67cedf5de170f4;p=~shefty%2Frdma-dev.git

gpio/pca953x: Interrupt pin is active-low

The interrupt pin of the PCA953x is active low, and on the rising edge
no interrupt should be produced.

Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index ce5736e8362..17e55701394 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -497,7 +497,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
 		ret = request_threaded_irq(client->irq,
 					   NULL,
 					   pca953x_irq_handler,
-					   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 					   dev_name(&client->dev), chip);
 		if (ret) {
 			dev_err(&client->dev, "failed to request irq %d\n",