linux-kernel - [PATCH v1 1/2] gpiolib: Consolidate the allocated mask freeing APIs

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Date:   Sat, 27 May 2023 14:40:56 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PATCH v1 1/2] 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@...ux.intel.com>
---
 drivers/gpio/gpiolib.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index e62db4fc85cc..6c8580d2454d 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -466,6 +466,12 @@ 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;
@@ -545,8 +551,7 @@ 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)
@@ -1090,8 +1095,7 @@ 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,
-- 
2.40.0.1.gaa8946217a0b