From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [RFC PATCH] [media]: of: move graph helpers from drivers/media/v4l2-core to drivers/of Date: Fri, 21 Mar 2014 13:44:12 +0100 Message-ID: <38763187.gEm4XVJAeX@avalon> References: <1392119105-25298-1-git-send-email-p.zabel@pengutronix.de> <20140320153804.35d5b835@samsung.com> <20140321081537.472B2C4085E@trevor.secretlab.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20140321081537.472B2C4085E@trevor.secretlab.ca> Sender: linux-kernel-owner@vger.kernel.org To: Grant Likely Cc: Mauro Carvalho Chehab , Russell King - ARM Linux , Tomi Valkeinen , Philipp Zabel , Sascha Hauer , Rob Herring , Rob Herring , Sylwester Nawrocki , Kyungmin Park , "linux-kernel@vger.kernel.org" , "linux-media@vger.kernel.org" , "devicetree@vger.kernel.org" , Philipp Zabel List-Id: devicetree@vger.kernel.org Hi Grant, On Friday 21 March 2014 08:15:34 Grant Likely wrote: > On Fri, 21 Mar 2014 00:26:12 +0100, Laurent Pinchart wrote: > > On Thursday 20 March 2014 23:12:50 Grant Likely wrote: > > > On Thu, 20 Mar 2014 19:52:53 +0100, Laurent Pinchart wrote: > > > > Then we might not be talking about the same thing. I'm talking about > > > > DT bindings to represent the topology of the device, not how drivers > > > > are wired together. > > > > > > Possibly. I'm certainly confused now. You brought up the component > > > helpers in drivers/base/component.c, so I thought working out > > > dependencies is part of the purpose of this binding. Everything I've > > > heard so far has given me the impression that the graph binding is tied > > > up with knowing when all of the devices exist. > > > > The two are related, you're of course right about that. > > > > We're not really moving forward here. Part of our disagreement comes in my > > opinion from having different requirements and different views of the > > problem, caused by experiences with different kind of devices. This is > > much easier to solve by sitting around the same table than discussing on > > mailing lists. I would propose a meeting at the ELC but that's still a > > bit far away and would delay progress by more than one month, which is > > probably not acceptable. > > > > I can reply to the e-mail where I've drawn one use case I have to deal > > with to detail my needs if that can help. > > > > Alternatively the UK isn't that far away and I could jump in a train if > > you can provide tea for the discussion :-) > > I'm game for that, but it is a long train ride. I'm up in Aberdeen which > is 8 hours from London by train. Also, I'm travelling next week to > California (Collaboration summit), so it will have to be in 2 weeks > time. > > Why don't we instead try a Google Hangout or a phone call today. > Anywhere between 11:30 and 14:00 GMT would work for me. I'd offer to > provide the tea, but I haven't quite perfected transporter technology > yet. That would work for me, but not today I'm afraid. Will you already be in California on Monday ? -- Regards, Laurent Pinchart