gpio: 104-idi-48: Allow IRQ sharing

William Breathitt Gray · linusw · commit 4332e0144fe4 · 2016-01-28T09:43:24.000+01:00
The ACCES 104-IDI-48 can differentiate between its own and other
devices' interrupt requests. Therefore, IRQ sharing is possible and
should be permitted.

Signed-off-by: William Breathitt Gray &lt;vilhelm.gray@gmail.com&gt;
Signed-off-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c
@@ -267,7 +267,8 @@ static int __init idi_48_probe(struct platform_device *pdev)
 		goto err_gpiochip_irqchip_add;
 	}
 
-	err = request_irq(irq, idi_48_irq_handler, 0, name, idi48gpio);
+	err = request_irq(irq, idi_48_irq_handler, IRQF_SHARED, name,
+		idi48gpio);
 	if (err) {
 		dev_err(dev, "IRQ handler registering failed (%d)\n", err);
 		goto err_request_irq;

Original file line number	Diff line number	Diff line change
`@@ -267,7 +267,8 @@ static int __init idi_48_probe(struct platform_device *pdev)`
`267`	`267`	`goto err_gpiochip_irqchip_add;`
`268`	`268`	`}`
`269`	`269`
`270`		`- err = request_irq(irq, idi_48_irq_handler, 0, name, idi48gpio);`
	`270`	`+ err = request_irq(irq, idi_48_irq_handler, IRQF_SHARED, name,`
	`271`	`+ idi48gpio);`
`271`	`272`	`if (err) {`
`272`	`273`	`dev_err(dev, "IRQ handler registering failed (%d)\n", err);`
`273`	`274`	`goto err_request_irq;`