gpio: rcar: Use lazy disable

Set the ->irq_enable() and ->irq_disable() methods to NULL
to enable lazy disable of interrupts. This by itself provides
some level of optimization, but is mainly enabled as ground
work for future Suspend-to-RAM wake up support.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index d3f15ae93bd3bef20a5aa306fa02e1a7fe12b838..a194bdb413fdb4f81656987341949eb8c6d1244a 100644 (file)
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -369,8 +369,6 @@ static int gpio_rcar_probe(struct platform_device *pdev)
        irq_chip->name = name;
        irq_chip->irq_mask = gpio_rcar_irq_disable;
        irq_chip->irq_unmask = gpio_rcar_irq_enable;
-       irq_chip->irq_enable = gpio_rcar_irq_enable;
-       irq_chip->irq_disable = gpio_rcar_irq_disable;
        irq_chip->irq_set_type = gpio_rcar_irq_set_type;
        irq_chip->flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_SET_TYPE_MASKED;