linux-kernel - Re: [PATCH v5 07/15] device property: Define format macros for ports and endpoints

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Message-ID: <X/kPck60UO/NYuRa@pendragon.ideasonboard.com>
Date:   Sat, 9 Jan 2021 04:05:38 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc:     Daniel Scally <djrscally@...il.com>, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-media@...r.kernel.org,
        devel@...ica.org, lenb@...nel.org, gregkh@...uxfoundation.org,
        mchehab@...nel.org, sergey.senozhatsky@...il.com,
        yong.zhi@...el.com, sakari.ailus@...ux.intel.com,
        bingbu.cao@...el.com, tian.shu.qiu@...el.com,
        robert.moore@...el.com, erik.kaneda@...el.com, pmladek@...e.com,
        rostedt@...dmis.org, andriy.shevchenko@...ux.intel.com,
        linux@...musvillemoes.dk,
        laurent.pinchart+renesas@...asonboard.com,
        jacopo+renesas@...ndi.org, kieran.bingham+renesas@...asonboard.com,
        hverkuil-cisco@...all.nl, m.felsch@...gutronix.de,
        niklas.soderlund+renesas@...natech.se,
        prabhakar.mahadev-lad.rj@...renesas.com, slongerbeam@...il.com,
        heikki.krogerus@...ux.intel.com,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v5 07/15] device property: Define format macros for ports
 and endpoints

Hi Rafael,

Could you please let us know with an Acked-by if this patch can be
merged through the linux-media tree for v5.12 ? The cover letter
contains additional details (in a nutshell, this is a cross-tree series
and we would like to avoid topic branches).

On Thu, Jan 07, 2021 at 01:28:30PM +0000, Daniel Scally 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>
> ---
> 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
>  
>  /**

-- 
Regards,

Laurent Pinchart