On 12/9/25 1:51 PM, Sascha Hauer wrote:
> Allow to create a devfs link that not only has its own name, but also
> its own device_node.
>
> Signed-off-by: Sascha Hauer <[email protected]>
Reviewed-by: Ahmad Fatoum <[email protected]>
> ---
> fs/devfs-core.c | 8 +++++++-
> include/driver.h | 2 ++
> 2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/fs/devfs-core.c b/fs/devfs-core.c
> index
> 92e7c5823ed0d3a4c54cc7b2b1c9bf32ac535907..91082265d1aaa965160de5e414364e3fb14824d1
> 100644
> --- a/fs/devfs-core.c
> +++ b/fs/devfs-core.c
> @@ -476,7 +476,7 @@ int devfs_create(struct cdev *new)
> return 0;
> }
>
> -int devfs_create_link(struct cdev *cdev, const char *name)
> +int devfs_create_link_node(struct cdev *cdev, const char *name, struct
> device_node *node)
> {
> struct cdev *new;
> int ret;
> @@ -489,6 +489,7 @@ int devfs_create_link(struct cdev *cdev, const char *name)
>
> new = cdev_alloc(name);
> new->link = cdev;
> + new->device_node = node;
>
> ret = devfs_create(new);
> if (ret) {
> @@ -512,6 +513,11 @@ int devfs_create_link(struct cdev *cdev, const char
> *name)
> return 0;
> }
>
> +int devfs_create_link(struct cdev *cdev, const char *name)
> +{
> + return devfs_create_link_node(cdev, name, NULL);
> +}
> +
> int devfs_remove(struct cdev *cdev)
> {
> struct cdev *c, *tmp;
> diff --git a/include/driver.h b/include/driver.h
> index
> c130a3cd63fd5e6dc365a33c765a22dc4e2ca90a..e0fddecd085c991db4f1fe34c56405d28b6f53ad
> 100644
> --- a/include/driver.h
> +++ b/include/driver.h
> @@ -461,6 +461,8 @@ static inline const char *cdev_name(struct cdev *cdev)
>
> int devfs_create(struct cdev *);
> int devfs_create_link(struct cdev *, const char *name);
> +int devfs_create_link_node(struct cdev *cdev, const char *name,
> + struct device_node *node);
> int devfs_remove(struct cdev *);
> int cdev_find_free_index(const char *);
> struct cdev *cdev_find_partition(struct cdev *cdevm, const char *name);
>
--
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