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 <vilhelm.g...@gmail.com> --- drivers/gpio/gpio-104-idi-48.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c index 52eed32..285a075 100644 --- 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; -- 2.4.10