summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpiolib-of.c
diff options
context:
space:
mode:
authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2024-02-08 21:27:04 +0100
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-02-12 10:18:31 +0100
commitfaf6efd2e5e23d3319501132d9671c8606ef21bd (patch)
tree8b698b9a557ea0eafb984ee1dc6337c24f62702e /drivers/gpio/gpiolib-of.c
parent104e00bbc76fc2a0fe887649d01d9c15f0e08021 (diff)
gpio: constify opaque pointer in gpio_device_find() match function
The match function used in gpio_device_find() should not modify the contents of passed opaque pointer, because such modification would not be necessary for actual matching and it could lead to quite unreadable, spaghetti code. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> [Bartosz: fix coding style in header] Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
-rw-r--r--drivers/gpio/gpiolib-of.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 77509aa19900..35d717fd393f 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -118,9 +118,10 @@ int of_gpio_get_count(struct device *dev, const char *con_id)
return ret ? ret : -ENOENT;
}
-static int of_gpiochip_match_node_and_xlate(struct gpio_chip *chip, void *data)
+static int of_gpiochip_match_node_and_xlate(struct gpio_chip *chip,
+ const void *data)
{
- struct of_phandle_args *gpiospec = data;
+ const struct of_phandle_args *gpiospec = data;
return device_match_of_node(&chip->gpiodev->dev, gpiospec->np) &&
chip->of_xlate &&
@@ -852,7 +853,7 @@ static void of_gpiochip_remove_hog(struct gpio_chip *chip,
gpiochip_free_own_desc(desc);
}
-static int of_gpiochip_match_node(struct gpio_chip *chip, void *data)
+static int of_gpiochip_match_node(struct gpio_chip *chip, const void *data)
{
return device_match_of_node(&chip->gpiodev->dev, data);
}