gpio: em: Enable mask on suspend

Now when lazy interrupt disable has been enabled in the driver
then extend the code to set IRQCHIP_MASK_ON_SUSPEND which tells
the core that only IRQs marked as wakeups need to stay enabled
during Suspend-to-RAM.

Tested on the KZM9D board with GPIO-keys.

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
index 225eda662c6c..be7e3b92f986 100644
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -338,7 +338,7 @@ static int em_gio_probe(struct platform_device *pdev)
         irq_chip->irq_mask = em_gio_irq_disable;
         irq_chip->irq_unmask = em_gio_irq_enable;
         irq_chip->irq_set_type = em_gio_irq_set_type;
-        irq_chip->flags = IRQCHIP_SKIP_SET_WAKE;
+        irq_chip->flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND;
 
         p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
                                               pdata->number_of_pins,