linux-kernel - Re: [PATCH v4 1/3] [media] of: move graph helpers from drivers/media/v4l2-core to drivers/of

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1755937.SSGT2MZJMC@avalon>
Date:	Fri, 21 Mar 2014 15:13:38 +0100
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
Cc:	Grant Likely <grant.likely@...aro.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	devicetree@...r.kernel.org,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Philipp Zabel <philipp.zabel@...il.com>
Subject: Re: [PATCH v4 1/3] [media] of: move graph helpers from drivers/media/v4l2-core to drivers/of

Hi Tomi,

On Friday 21 March 2014 15:37:17 Tomi Valkeinen wrote:
> On 21/03/14 00:32, Laurent Pinchart wrote:
> > The OF graph bindings documentation could just specify the ports node as
> > optional and mandate individual device bindings to specify it as mandatory
> > or forbidden (possibly with a default behaviour to avoid making all
> > device bindings too verbose).
> 
> Isn't it so that if the device has one port, it can always do without
> 'ports', but if it has multiple ports, it always has to use 'ports' so
> that #address-cells and #size-cells can be defined?

You can put the #address-cells and #size-cells property in the device node 
directly without requiring a ports subnode.

> If so, there's nothing left for the individual device bindings to decide.


-- 
Regards,

Laurent Pinchart

Download attachment "signature.asc" of type "application/pgp-signature" (491 bytes)