Commit 081bfdb3 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Bartosz Golaszewski
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gpiolib: Split out gpiochip_irqchip_add_allocated_domain() helper 



The gpiochip_irqchip_add_allocated_domain() can be used
in another place in the code.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent 39f3ad73

drivers/gpio/gpiolib.c

+23 −16
Original line number Diff line number Diff line
@@ -1638,6 +1638,28 @@ static void gpiochip_set_irq_hooks(struct gpio_chip *gc) 
	}

}



static int gpiochip_irqchip_add_allocated_domain(struct gpio_chip *gc,

						 struct irq_domain *domain,

						 bool allocated_externally)

{

	if (!domain)

		return -EINVAL;



	gc->to_irq = gpiochip_to_irq;

	gc->irq.domain = domain;

	gc->irq.domain_is_allocated_externally = allocated_externally;



	/*

	 * Using barrier() here to prevent compiler from reordering

	 * gc->irq.initialized before adding irqdomain.

	 */

	barrier();



	gc->irq.initialized = true;



	return 0;

}



/**

 * gpiochip_add_irqchip() - adds an IRQ chip to a GPIO chip

 * @gc: the GPIO chip to add the IRQ chip to
@@ -1791,22 +1813,7 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gc) 
int gpiochip_irqchip_add_domain(struct gpio_chip *gc,

				struct irq_domain *domain)

{

	if (!domain)

		return -EINVAL;



	gc->to_irq = gpiochip_to_irq;

	gc->irq.domain = domain;

	gc->irq.domain_is_allocated_externally = true;



	/*

	 * Using barrier() here to prevent compiler from reordering

	 * gc->irq.initialized before adding irqdomain.

	 */

	barrier();



	gc->irq.initialized = true;



	return 0;

	return gpiochip_irqchip_add_allocated_domain(gc, domain, true);

}

EXPORT_SYMBOL_GPL(gpiochip_irqchip_add_domain);