linux-kernel - Re: [PATCH v5 08/15] software_node: Add support for fwnode

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Date:   Sun, 10 Jan 2021 16:08:53 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
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, 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,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v5 08/15] software_node: Add support for fwnode_graph*()
 family of functions

On Thu, Jan 07, 2021 at 01:28:31PM +0000, Daniel Scally wrote:
> From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> 
> This implements the remaining .graph_*() callbacks in the fwnode
> operations structure for the software nodes. That makes the
> fwnode_graph_*() functions available in the drivers also when software
> nodes are used.
> 
> The implementation tries to mimic the "OF graph" as much as possible, but
> there is no support for the "reg" device property. The ports will need to
> have the index in their  name which starts with "port@" (for example
> "port@0", "port@1", ...) and endpoints will use the index of the software
> node that is given to them during creation. The port nodes can also be
> grouped under a specially named "ports" subnode, just like in DT, if
> necessary.
> 
> The remote-endpoints are reference properties under the endpoint nodes
> that are named "remote-endpoint".
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Co-developed-by: Daniel Scally <djrscally@...il.com>
> Signed-off-by: Daniel Scally <djrscally@...il.com>
> ---
> Changes in v5:
> 
> 	- Cosmetic changes only

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>