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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2020-11-10 10:39:21 +0100
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2020-11-16 11:27:33 +0100
commit3c6e73e47afc874c231b48157be669efaf768471 (patch)
tree9ac6ebc6e5259231bcb55cd6e91b2fc97ebbf99d /drivers/gpio/gpiolib-devres.c
parent37174f3341306eaea7b7f4f5cc624e0040305a98 (diff)
gpiolib: devres: shrink devm_gpiochip_add_data_with_key()
If all we want to manage is a single pointer, there's no need to manually allocate and add a new devres. We can simply use devm_add_action_or_reset() and shrink the code by a good bit. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib-devres.c')
-rw-r--r--drivers/gpio/gpiolib-devres.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/gpio/gpiolib-devres.c b/drivers/gpio/gpiolib-devres.c
index 174f88d5ec17..4a517e5dedf0 100644
--- a/drivers/gpio/gpiolib-devres.c
+++ b/drivers/gpio/gpiolib-devres.c
@@ -477,9 +477,9 @@ void devm_gpio_free(struct device *dev, unsigned int gpio)
}
EXPORT_SYMBOL_GPL(devm_gpio_free);
-static void devm_gpio_chip_release(struct device *dev, void *res)
+static void devm_gpio_chip_release(void *data)
{
- struct gpio_chip *gc = *(struct gpio_chip **)res;
+ struct gpio_chip *gc = data;
gpiochip_remove(gc);
}
@@ -505,23 +505,12 @@ int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc, vo
struct lock_class_key *lock_key,
struct lock_class_key *request_key)
{
- struct gpio_chip **ptr;
int ret;
- ptr = devres_alloc(devm_gpio_chip_release, sizeof(*ptr),
- GFP_KERNEL);
- if (!ptr)
- return -ENOMEM;
-
ret = gpiochip_add_data_with_key(gc, data, lock_key, request_key);
- if (ret < 0) {
- devres_free(ptr);
+ if (ret < 0)
return ret;
- }
- *ptr = gc;
- devres_add(dev, ptr);
-
- return 0;
+ return devm_add_action_or_reset(dev, devm_gpio_chip_release, gc);
}
EXPORT_SYMBOL_GPL(devm_gpiochip_add_data_with_key);