From: Alexander Stein <alexander.stein@systec-electronic.com>
Date: Mon, 17 Nov 2014 08:38:09 +0000 (+0100)
Subject: gpio: mcp23s08: request a shared interrupt
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=9c0b04bcb3abc8e5dc0731b9b9eabd4a217960c0;p=openwrt%2Fstaging%2Fblogic.git

gpio: mcp23s08: request a shared interrupt

Request a shared interrupt when requesting a mcp23s08 GPIO interrupt.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 1ac7de85da8b..6589438dad57 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -485,7 +485,8 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp)
 		return -ENODEV;
 
 	err = devm_request_threaded_irq(chip->dev, mcp->irq, NULL, mcp23s08_irq,
-					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+					IRQF_TRIGGER_LOW | IRQF_ONESHOT |
+					IRQF_SHARED,
 					dev_name(chip->dev), mcp);
 	if (err != 0) {
 		dev_err(chip->dev, "unable to request IRQ#%d: %d\n",