gpio: em: 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-em.c b/drivers/gpio/gpio-em.c
index b1decec..225eda6 100644 (file)
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -337,8 +337,6 @@ static int em_gio_probe(struct platform_device *pdev)
        irq_chip->name = name;
        irq_chip->irq_mask = em_gio_irq_disable;
        irq_chip->irq_unmask = em_gio_irq_enable;
-       irq_chip->irq_enable = em_gio_irq_enable;
-       irq_chip->irq_disable = em_gio_irq_disable;
        irq_chip->irq_set_type = em_gio_irq_set_type;
        irq_chip->flags = IRQCHIP_SKIP_SET_WAKE;