From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 1/2] edac: sifive: Add DT documentation for SiFive L2 cache Controller Date: Wed, 3 Apr 2019 20:04:08 -0500 Message-ID: References: <1552382461-13051-1-git-send-email-yash.shah@sifive.com> <1552382461-13051-2-git-send-email-yash.shah@sifive.com> <20190328131657.GA9056@bogus> <20190329142739.GG21152@zn.tnic> <20190329202416.GI21152@zn.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20190329202416.GI21152@zn.tnic> Sender: linux-kernel-owner@vger.kernel.org To: Borislav Petkov Cc: James Morse , Yash Shah , linux-riscv@lists.infradead.org, linux-edac@vger.kernel.org, Palmer Dabbelt , Paul Walmsley , "linux-kernel@vger.kernel.org" , Mark Rutland , Albert Ou , Mauro Carvalho Chehab , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On Fri, Mar 29, 2019 at 3:24 PM Borislav Petkov wrote: > > On Fri, Mar 29, 2019 at 02:41:05PM -0500, Rob Herring wrote: > > DT dictates aligning with what the h/w looks like which has little to > > do with OS driver design. > > Ok, then, where does this goal for doing a driver or compilation unit > per IP block come from? > > Because everytime an ARM EDAC driver pops up, we are having the same > discussion. > > > I never said you should change EDAC and I outlined how things should > > be handled if it is one driver. > > Ok, we will add that to the EDAC driver design document we're currently > working on. > > > DT and OS subsystems are independent things. I can't tell you how to > > design the subsystem and you can't dictate DT design (based on EDAC > > design). > > I don't think I've ever intentionally or unintentionally dictated DT > design - all I've opposed to is having multiple EDAC drivers on ARM. No, but folks just extend 1 driver to mean 1 DT node because that's easy and certainly the more common case. Rob