Em Tue, 11 Feb 2014 18:22:34 +0100
Sylwester Nawrocki <s.nawro...@samsung.com> escreveu:

> (adding Guennadi to Cc)
> 
> On 11/02/14 17:36, Philipp Zabel wrote:
> > Am Dienstag, den 11.02.2014, 16:23 +0100 schrieb Laurent Pinchart:
> >> 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.
> > 
> > Since drivers/Makefile has media/ in obj-y, moving the graph helpers to
> > drivers/media should technically work.
> > 
> >>> Maybe drivers/of-graph/ ?  Or maybe it's just as good a place to move it
> >>> into drivers/of ?
> > 
> > include/media/of_graph.h,
> > drivers/media/of_graph.c?
> 
> drivers/media sounds like a good alternative to me.

>From my side, I'm ok with putting them at drivers/media. You may add my 
>acked-by
for such change:

Acked-by: Mauro Carvalho Chehab <m.che...@samsung.com>

> I would just remove also v4l2_of_{parse/get}* and update the users
> to call of_graph_* directly, there should not be many of them.
> 
> --
> Thanks,
> Sylwester
> 


-- 

Cheers,
Mauro
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