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Date:   Tue, 12 Jan 2021 20:29:46 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Daniel Scally <djrscally@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" <devel@...ica.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        yong.zhi@...el.com, Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Bingbu Cao <bingbu.cao@...el.com>, tian.shu.qiu@...el.com,
        Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        hverkuil-cisco@...all.nl, m.felsch@...gutronix.de,
        Niklas Soderlund <niklas.soderlund+renesas@...natech.se>,
        prabhakar.mahadev-lad.rj@...renesas.com,
        Steve Longerbeam <slongerbeam@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v5 07/15] device property: Define format macros for ports
 and endpoints

On Thu, Jan 7, 2021 at 2:31 PM Daniel Scally <djrscally@...il.com> wrote:
>
> OF, ACPI and software_nodes all implement graphs including nodes for ports
> and endpoints. These are all intended to be named with a common schema,
> as "port@n" and "endpoint@n" where n is an unsigned int representing the
> index of the node. To ensure commonality across the subsystems, provide a
> set of macros to define the format.
>
> Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Signed-off-by: Daniel Scally <djrscally@...il.com>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
> Changes in v5:
>
>         - Changed commit subject
>
>  include/linux/fwnode.h | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
> index fde4ad97564c..77414e431e89 100644
> --- a/include/linux/fwnode.h
> +++ b/include/linux/fwnode.h
> @@ -50,6 +50,13 @@ struct fwnode_endpoint {
>         const struct fwnode_handle *local_fwnode;
>  };
>
> +/*
> + * ports and endpoints defined as software_nodes should all follow a common
> + * naming scheme; use these macros to ensure commonality.
> + */
> +#define SWNODE_GRAPH_PORT_NAME_FMT             "port@%u"
> +#define SWNODE_GRAPH_ENDPOINT_NAME_FMT         "endpoint@%u"
> +
>  #define NR_FWNODE_REFERENCE_ARGS       8
>
>  /**
> --
> 2.25.1
>

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