gpio: rcar: Add support for DT IRQ flags

The gpio-rcar driver has no IRQ domain OF xlate function and thus
ignores IRQ flags specified in DT. Fix this by using the two-cell xlate
function.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit c058ee5a02c87710f3dc3831431abd1b9a58bd76)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 0c9f803..b6ae89e 100644 (file)
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -284,6 +284,7 @@ static int gpio_rcar_irq_domain_map(struct irq_domain *h, unsigned int irq,
 
 static struct irq_domain_ops gpio_rcar_irq_domain_ops = {
        .map    = gpio_rcar_irq_domain_map,
+       .xlate  = irq_domain_xlate_twocell,
 };
 
 struct gpio_rcar_info {