Re: [PATCH v2] interconnect: Add kernel-doc for devm_of_icc_get(), icc_enable() and icc_disable()
From: Kuan-Wei Chiu
Date: Mon Sep 21 2026 - 14:02:05 EST
On Sat, Sep 12, 2026 at 01:54:56PM +0200, Karl Mehltretter wrote:
> Documentation/driver-api/interconnect.rst lists devm_of_icc_get(),
> icc_enable() and icc_disable() in its kernel-doc directive for
> drivers/interconnect/core.c, but none of the three functions has a
> kernel-doc comment. The directive silently produces nothing for them, so
> the consumer API section of the rendered documentation never shows
> them.
>
> Add kernel-doc comments in the style of the neighbouring functions.
>
> Assisted-by: LLM
> Signed-off-by: Karl Mehltretter <kmehltretter@xxxxxxxxx>
Reviewed-by: Kuan-Wei Chiu <visitorckw@xxxxxxxxx>
Regards,
Kuan-Wei
> ---
> Changes in v2:
> - Describe @path as an interconnect path and explicitly state that
> passing NULL is a no-op returning 0 for both icc_enable() and
> icc_disable() (Kuan-Wei Chiu).
>
> v1: https://lore.kernel.org/r/20260907020504.24783-1-kmehltretter@xxxxxxxxx/
>
> drivers/interconnect/core.c | 32 ++++++++++++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
>
> diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
> index 4aa991a54101..802f07e806d5 100644
> --- a/drivers/interconnect/core.c
> +++ b/drivers/interconnect/core.c
> @@ -423,6 +423,17 @@ static void devm_icc_release(struct device *dev, void *res)
> icc_put(*(struct icc_path **)res);
> }
>
> +/**
> + * devm_of_icc_get() - get a path handle from a DT node based on name
> + * @dev: device pointer for the consumer device
> + * @name: interconnect path name
> + *
> + * This function is the resource managed version of of_icc_get(). The path
> + * is released with icc_put() automatically when @dev is unbound.
> + *
> + * Return: icc_path pointer on success or ERR_PTR() on error. NULL is returned
> + * when the API is disabled or the "interconnects" DT property is missing.
> + */
> struct icc_path *devm_of_icc_get(struct device *dev, const char *name)
> {
> struct icc_path **ptr, *path;
> @@ -786,12 +797,33 @@ static int __icc_enable(struct icc_path *path, bool enable)
> path->reqs[0].peak_bw);
> }
>
> +/**
> + * icc_enable() - enable a path
> + * @path: interconnect path
> + *
> + * Mark all requests on the path as enabled and reapply the bandwidth that
> + * was last set with icc_set_bw().
> + * Passing a NULL @path is a no-op and returns 0.
> + *
> + * Return: 0 on success, or an appropriate error code otherwise.
> + */
> int icc_enable(struct icc_path *path)
> {
> return __icc_enable(path, true);
> }
> EXPORT_SYMBOL_GPL(icc_enable);
>
> +/**
> + * icc_disable() - disable a path
> + * @path: interconnect path
> + *
> + * Mark all requests on the path as disabled, so that they no longer count
> + * towards the aggregated bandwidth, and reapply the constraints. The
> + * requested bandwidth is kept and restored by icc_enable().
> + * Passing a NULL @path is a no-op and returns 0.
> + *
> + * Return: 0 on success, or an appropriate error code otherwise.
> + */
> int icc_disable(struct icc_path *path)
> {
> return __icc_enable(path, false);
>
> base-commit: 986c24e0fe44f844b44d365b71ce831947f50298
> --
> 2.39.5 (Apple Git-154)
>