linux-kernel - Re: [PATCH v3] software_node: Add kernel-doc comments to exported symbols

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Date:   Wed, 20 Jan 2021 13:40:48 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Daniel Scally <djrscally@...il.com>
Cc:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        gregkh@...uxfoundation.org, rafael@...nel.org,
        linux-kernel@...r.kernel.org, heikki.krogerus@...ux.intel.com,
        rdunlap@...radead.org
Subject: Re: [PATCH v3] software_node: Add kernel-doc comments to exported
 symbols

On Wed, Jan 20, 2021 at 11:11:47AM +0000, Daniel Scally wrote:
> On 20/01/2021 10:35, Sakari Ailus wrote:
> > On Wed, Jan 20, 2021 at 12:03:39AM +0000, Daniel Scally wrote:

> >> +/**
> >> + * fwnode_create_software_node() - Create and register a new software_node
> >> + * @properties: NULL terminated array of properties to assign to the new node
> >> + * @parent: Pointer to a &struct fwnode_handle to assign as parent to the new
> >> + *	    node
> >> + *
> >> + * NOTE: The pointer passed as @parent **must** be to a firmware node handle
> >> + * that was created by registering a software node, meaning is_software_node()
> >> + * must return true when passed that pointer.
> >> + *
> >> + * This function creates a new instance of &struct software_node, assigns it a
> >> + * copy of the given array of properties and registers it as a new fwnode_handle.
> >> + * Freeing of the allocated memory when the fwnode_handle is no longer needed is
> >> + * handled via software_node_release() and does not need to be done separately.
> > Please wrap all lines over 80 unless there's a reason to keep them longer.

> Apologies; I'll cat | awk for lines over the limit from now on rather
> than half-arsing it.

In Vim, for example, you may set the threshold and it will wrap it for you.
Also, taking into account famous *useless use of cat*, you may use `fold` or `fmt`

> >> + *
> >> + * Returns:
> >> + * * fwnode_handle *	- On success
> >> + * * -EINVAL		- When @parent is not associated with a software_node
> >> + * * -ENOMEM		- When memory allocation fails
> >> + * * -Other		- Propagated errors from sub-functions
> >> + */

-- 
With Best Regards,
Andy Shevchenko