gpiolib: Consolidate the allocated mask freeing APIs

There is a common API to allocate a mask, but more than one duplicative
counterparts. Consolidate the latter into a single common API beneath.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 04fb05d..995a468 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -463,6 +463,12 @@ static unsigned long *gpiochip_allocate_mask(struct gpio_chip *gc)
        return p;
 }
 
+static void gpiochip_free_mask(unsigned long **p)
+{
+       bitmap_free(*p);
+       *p = NULL;
+}
+
 static unsigned int gpiochip_count_reserved_ranges(struct gpio_chip *gc)
 {
        struct device *dev = &gc->gpiodev->dev;
@@ -542,8 +548,7 @@ static int gpiochip_init_valid_mask(struct gpio_chip *gc)
 
 static void gpiochip_free_valid_mask(struct gpio_chip *gc)
 {
-       bitmap_free(gc->valid_mask);
-       gc->valid_mask = NULL;
+       gpiochip_free_mask(&gc->valid_mask);
 }
 
 static int gpiochip_add_pin_ranges(struct gpio_chip *gc)
@@ -1087,8 +1092,7 @@ static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc)
 
 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc)
 {
-       bitmap_free(gc->irq.valid_mask);
-       gc->irq.valid_mask = NULL;
+       gpiochip_free_mask(&gc->irq.valid_mask);
 }
 
 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc,