From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Subject: Re: [PATCH 3/3] ARM: dts: Add peach-pi board support Date: Thu, 8 May 2014 18:16:52 -0400 Message-ID: <536C0254.8050108@ti.com> References: <1399035821-25096-1-git-send-email-arun.kk@samsung.com> <1399035821-25096-4-git-send-email-arun.kk@samsung.com> <5363D176.80601@gmail.com> <53644DDB.7050503@gmail.com> <5367D5E1.9070709@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-samsung-soc-owner@vger.kernel.org To: Bjorn Andersson Cc: Doug Anderson , Tomasz Figa , Arun Kumar K , linux-samsung-soc , "devicetree@vger.kernel.org" , Kukjin Kim , Olof Johansson , Tomasz Figa , Sachin Kamat , Tushar Behera , Arun Kumar List-Id: devicetree@vger.kernel.org On 05/08/2014 05:55 PM, Bjorn Andersson wrote: > On Mon, May 5, 2014 at 11:18 AM, Tom Rini wrote: > [...] >> The problem I was raising at the ELC BoF is that today we can't just >> stop overwriting values in the non-zero case as many boards lie about >> their memory size, in non-zero ways, but no one noticed as they only >> tested with U-Boot which was performing the fixup. > > So, should we conclude are we stuck being bug-compatible forever? > > I was hoping to add this logic to the kernel by [1], but of course > this won't fly > based on the argument you highlighted (as was pointed out by Uwe). > > [1] https://lkml.org/lkml/2014/5/7/28 Well, device tree should always win and once passed to the kernel, be correct. If you have control of the kernel but not bootloader, like Uwe says, drop the ATAG support. -- Tom