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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2024-08-28 19:41:35 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-09-02 12:27:36 +0200
commit94bd9ce16063a264c85f3b5907fefd8ec979d214 (patch)
tree0059f62bb17ea9872db2139ed6babfb099247dbb /drivers/gpio/gpiolib-sysfs.c
parent1e3d42f508ee03ce5c515fc72ef9dcb65212d221 (diff)
gpiolib: Update the kernel documentation - add Return sections
$ scripts/kernel-doc -v -none -Wall drivers/gpio/gpiolib* 2>&1 | grep -w warning | wc -l 67 Fix these by adding Return sections. While at it, make sure all of Return sections use the same style. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240828164449.2777666-1-andriy.shevchenko@linux.intel.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib-sysfs.c')
-rw-r--r--drivers/gpio/gpiolib-sysfs.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 26202586fd39..17ed229412af 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -568,7 +568,8 @@ static struct class gpio_class = {
* will see "direction" sysfs attribute which may be used to change
* the gpio's direction. A "value" attribute will always be provided.
*
- * Returns zero on success, else an error.
+ * Returns:
+ * 0 on success, or negative errno on failure.
*/
int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
{
@@ -667,7 +668,8 @@ static int match_export(struct device *dev, const void *desc)
* Set up a symlink from /sys/.../dev/name to /sys/class/gpio/gpioN
* node. Caller is responsible for unlinking.
*
- * Returns zero on success, else an error.
+ * Returns:
+ * 0 on success, or negative errno on failure.
*/
int gpiod_export_link(struct device *dev, const char *name,
struct gpio_desc *desc)