gpio: set explicit nesting on drivers

The ADNP, CrystalCove and WhiskeyCove are all nested GPIO
irqchips, but were avoiding to connect the parent IRQ to
the gpiochip. This works, but is kind of sloppy as the
child IRQs are not marked as having the parent IRQ as
parent.

Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Ajay Thomas <ajay.thomas.david.rajamanickam@intel.com>
Cc: Bin Gao <bin.gao@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index 88f29601f8de..34baee5b1dd6 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -446,6 +446,8 @@ static int wcove_gpio_probe(struct platform_device *pdev)
                 return ret;
         }
 
+        gpiochip_set_nested_irqchip(&wg->chip, &wcove_irqchip, virq);
+
         return 0;
 }