From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mauro Carvalho Chehab Subject: Re: [RFC PATCH] [media]: of: move graph helpers from drivers/media/v4l2-core to drivers/of Date: Wed, 12 Feb 2014 02:41:19 +0900 Message-ID: <20140212024119.7fc96f30.m.chehab@samsung.com> References: <1392119105-25298-1-git-send-email-p.zabel@pengutronix.de> <20140211145248.GI26684@n2100.arm.linux.org.uk> <8648675.AIXYyYlgXy@avalon> <1392136617.6943.33.camel@pizza.hi.pengutronix.de> <52FA5C5A.1090008@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Return-path: In-reply-to: <52FA5C5A.1090008@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Sylwester Nawrocki Cc: Philipp Zabel , Laurent Pinchart , Russell King - ARM Linux , Rob Herring , Grant Likely , Rob Herring , Tomi Valkeinen , Kyungmin Park , "linux-kernel@vger.kernel.org" , "linux-media@vger.kernel.org" , "devicetree@vger.kernel.org" , Philipp Zabel , Guennadi Liakhovetski List-Id: devicetree@vger.kernel.org Em Tue, 11 Feb 2014 18:22:34 +0100 Sylwester Nawrocki 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 > 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