From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C855DC433EF for ; Thu, 11 Nov 2021 11:24:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B2B5611F2 for ; Thu, 11 Nov 2021 11:24:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230400AbhKKL04 (ORCPT ); Thu, 11 Nov 2021 06:26:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:40522 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230358AbhKKL04 (ORCPT ); Thu, 11 Nov 2021 06:26:56 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3173D61107; Thu, 11 Nov 2021 11:24:07 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ml8BZ-004oS1-11; Thu, 11 Nov 2021 11:24:05 +0000 Date: Thu, 11 Nov 2021 11:24:04 +0000 Message-ID: <87o86r7x63.wl-maz@kernel.org> From: Marc Zyngier To: Christian Zigotzky Cc: Bjorn Helgaas , "bhelgaas@google.com >> Bjorn Helgaas" , Alyssa Rosenzweig , lorenzo.pieralisi@arm.com, Rob Herring , Matthew Leaman , Darren Stevens , mad skateman , "R.T.Dickinson" , Christian Zigotzky , axboe@kernel.dk, damien.lemoal@opensource.wdc.com, kw@linux.com, Arnd Bergmann , robert@swiecki.net, Olof Johansson , linuxppc-dev , "linux-pci@vger.kernel.org" Subject: Re: [PASEMI] Nemo board doesn't recognize any ATA disks with the pci-v5.16 updates In-Reply-To: References: <78308692-02e6-9544-4035-3171a8e1e6d4@xenosoft.de> <20211110184106.GA1251058@bhelgaas> <87sfw3969l.wl-maz@kernel.org> <8cc64c3b-b0c0-fb41-9836-2e5e6a4459d1@xenosoft.de> <87r1bn88rt.wl-maz@kernel.org> <87pmr7803l.wl-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: chzigotzky@xenosoft.de, helgaas@kernel.org, bhelgaas@google.com, alyssa@rosenzweig.io, lorenzo.pieralisi@arm.com, robh@kernel.org, matthew@a-eon.biz, darren@stevens-zone.net, madskateman@gmail.com, rtd2@xtra.co.nz, info@xenosoft.de, axboe@kernel.dk, damien.lemoal@opensource.wdc.com, kw@linux.com, arnd@arndb.de, robert@swiecki.net, olof@lixom.net, linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, 11 Nov 2021 10:44:30 +0000, Christian Zigotzky wrote: > > On 11 November 2021 at 11:20 am, Marc Zyngier wrote: > > On Thu, 11 Nov 2021 07:47:08 +0000, > > Christian Zigotzky wrote: > >> On 11 November 2021 at 08:13 am, Marc Zyngier wrote: > >>> On Thu, 11 Nov 2021 05:24:52 +0000, > >>> Christian Zigotzky wrote: > >>>> Hello Marc, > >>>> > >>>> Here you are: > >>>> https://forum.hyperion-entertainment.com/viewtopic.php?p=54406#p54406 > >>> This is not what I asked. I need the actual source file, or at the > >>> very least the compiled object (the /sys/firmware/fdt file, for > >>> example). Not an interpretation that I can't feed to the kernel. > >>> > >>> Without this, I can't debug your problem. > >>> > >>>> We are very happy to have the patch for reverting the bad commit > >>>> because we want to test the new PASEMI i2c driver with support for the > >>>> Apple M1 [1] on our Nemo boards. > >>> You can revert the patch on your own. At this stage, we're not blindly > >>> reverting things in the tree, but instead trying to understand what > >>> is happening on your particular system. > >>> > >>> Thanks, > >>> > >>> M. > >>> > >> I added a download link for the fdt file to the post [1]. Please read > >> also Darren's comments in this post. > > > > Am I right in understanding that the upstream kernel does not support > > the machine out of the box, and that you actually have to apply out of > > tree patches to make it work? > No, you aren't right. The upstream kernel supports the Nemo board out > of the box. [1] That's not the way I interpret Darren's comments, but you surely know better than I do. I'll try to come up with something for you to test shortly. M. -- Without deviation from the norm, progress is not possible.