Commit d621e8ba authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Linus Walleij
Browse files

gpio/gpiolib-of: Create of_mm_gpiochip_remove 



Create counterpart of of_mm_gpiochip_add(). This way the modules that
can be removable do not duplicate the cleanup code.

Suggested-by: default avatarAlexandre Courbot <gnurou@gmail.com>
Signed-off-by: default avatarRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 1d6902d3

drivers/gpio/gpiolib-of.c

+17 −0
Original line number Diff line number Diff line
@@ -204,6 +204,23 @@ int of_mm_gpiochip_add(struct device_node *np, 
}

EXPORT_SYMBOL(of_mm_gpiochip_add);



/**

 * of_mm_gpiochip_remove - Remove memory mapped GPIO chip (bank)

 * @mm_gc:	pointer to the of_mm_gpio_chip allocated structure

 */

void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc)

{

	struct gpio_chip *gc = &mm_gc->gc;



	if (!mm_gc)

		return;



	gpiochip_remove(gc);

	iounmap(mm_gc->regs);

	kfree(gc->label);

}

EXPORT_SYMBOL(of_mm_gpiochip_remove);



#ifdef CONFIG_PINCTRL

static void of_gpiochip_add_pin_range(struct gpio_chip *chip)

{

include/linux/of_gpio.h

+1 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ extern int of_get_named_gpio_flags(struct device_node *np, 


extern int of_mm_gpiochip_add(struct device_node *np,

			      struct of_mm_gpio_chip *mm_gc);

extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc);



extern void of_gpiochip_add(struct gpio_chip *gc);

extern void of_gpiochip_remove(struct gpio_chip *gc);