diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 06dce16e22bb..70f0dedca59f 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1675,7 +1675,8 @@ static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip, irq_set_chained_handler_and_data(parent_irq, parent_handler, gpiochip); - gpiochip->irq.parents = &parent_irq; + gpiochip->irq.parent_irq = parent_irq; + gpiochip->irq.parents = &gpiochip->irq.parent_irq; gpiochip->irq.num_parents = 1; } diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 5382b5183b7e..82a953ec5ef0 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -94,6 +94,13 @@ struct gpio_irq_chip { */ unsigned int num_parents; + /** + * @parent_irq: + * + * For use by gpiochip_set_cascaded_irqchip() + */ + unsigned int parent_irq; + /** * @parents: *