gpio: unmap gpio irqs properly

When using the irqchip helper inside the gpiolib, make sure
the IRQs are unmapped/disposed before the irqdomain is removed
as part of removing the gpiochip.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index c1c5c2368fc8..1827b43966d9 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -107,6 +107,7 @@ struct gpio_chip {
          */
         struct irq_chip         *irqchip;
         struct irq_domain       *irqdomain;
+        unsigned int            irq_base;
         irq_flow_handler_t      irq_handler;
         unsigned int            irq_default_type;
 #endif