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

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Date:   Thu, 7 Jan 2021 16:06:17 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Daniel Scally <djrscally@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-media@...r.kernel.org, devel@...ica.org, rjw@...ysocki.net,
        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,
        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 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>

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.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

-- 
heikki