From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH] ARM: dts: imx6qdl-sabresd: Do not place regulator nodes under simple-bus Date: Thu, 13 Feb 2014 09:59:59 +0800 Message-ID: <20140213015958.GC950@S2101-09.ap.freescale.net> References: <1392165078-25794-1-git-send-email-festevam@gmail.com> <20140212092227.GA24834@S2101-09.ap.freescale.net> <20140212095450.GB21992@e106331-lin.cambridge.arm.com> <20140212122837.GD24834@S2101-09.ap.freescale.net> <20140212135736.GB25957@e106331-lin.cambridge.arm.com> <20140212152050.GA28749@S2101-09.ap.freescale.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Fabio Estevam Cc: Mark Rutland , "devicetree@vger.kernel.org" , Fabio Estevam , "linux-arm-kernel@lists.infradead.org" List-Id: devicetree@vger.kernel.org On Wed, Feb 12, 2014 at 03:22:05PM -0200, Fabio Estevam wrote: > On Wed, Feb 12, 2014 at 1:20 PM, Shawn Guo wrote: > > On Wed, Feb 12, 2014 at 01:57:36PM +0000, Mark Rutland wrote: > >> As it stands, the dts are buggy. I can appreciate that you don't feel > >> this is important, but I do. It's not just an IMX issue, there is > >> widespread misunderstanding and abuse of simple-bus. > >> > >> Said abuse is relying on current Linux implementation details, and that > >> can and will create problems if and when probing code is changed. > > > > The reality is the code already gets no chance to change on this regard, > > considering the requirement that we need to maintain the interface > > between kernel and DT as ABI. The dts have been there like this for > > 10 kernel releases or so. > > What breakage do you see with this patch? I'm not talking about this patch. I'm replying to Mark's comment saying some day the kernel probing code is changed. Shawn