Re: [RFC PATCH] [media]: of: move graph helpers from drivers/media/v4l2-core to drivers/of

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Russell,

On Tuesday 11 February 2014 14:52:48 Russell King - ARM Linux wrote:
> On Tue, Feb 11, 2014 at 07:56:33AM -0600, Rob Herring wrote:
> > On Tue, Feb 11, 2014 at 5:45 AM, Philipp Zabel wrote:
> > > This allows to reuse the same parser code from outside the V4L2
> > > framework, most importantly from display drivers. There have been
> > > patches that duplicate the code (and I am going to send one of my own),
> > > such as
> > > http://lists.freedesktop.org/archives/dri-devel/2013-August/043308.html
> > > and others that parse the same binding in a different way:
> > > https://www.mail-archive.com/linux-omap@vger.kernel.org/msg100761.html
> > > 
> > > I think that all common video interface parsing helpers should be moved
> > > to a single place, outside of the specific subsystems, so that it can
> > > be reused by all drivers.
> > 
> > Perhaps that should be done rather than moving to drivers/of now and
> > then again to somewhere else.
> 
> Do you have a better suggestion where it should move to?
> 
> drivers/gpu/drm - no, because v4l2 wants to use it
> drivers/media/video - no, because DRM drivers want to use it
> drivers/video - no, because v4l2 and drm drivers want to use it

Just pointing out a missing location (which might be rejected due to similar 
concerns), there's also drivers/media, which isn't V4L-specific.

> Maybe drivers/of-graph/ ?  Or maybe it's just as good a place to move it
> into drivers/of ?

-- 
Regards,

Laurent Pinchart