提交 d621e8ba 编写于 作者: R Ricardo Ribalda Delgado 提交者: Linus Walleij

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: NAlexandre Courbot <gnurou@gmail.com>
Signed-off-by: NRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
上级 1d6902d3
......@@ -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)
{
......
......@@ -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);
......
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