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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 188FBC77B62 for ; Fri, 31 Mar 2023 13:51:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231878AbjCaNvW (ORCPT ); Fri, 31 Mar 2023 09:51:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231202AbjCaNvU (ORCPT ); Fri, 31 Mar 2023 09:51:20 -0400 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F28D82103; Fri, 31 Mar 2023 06:51:18 -0700 (PDT) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1piF8o-00039R-1c; Fri, 31 Mar 2023 15:50:06 +0200 Date: Fri, 31 Mar 2023 14:50:02 +0100 From: Daniel Golle To: Arnd Bergmann Cc: Neil Armstrong , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, Netdev , linux-stm32@st-md-mailman.stormreply.com, "open list:GPIO SUBSYSTEM" , linux-pm@vger.kernel.org Subject: Re: [PATCH RFC 00/20] ARM: oxnas support removal Message-ID: References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Fri, Mar 31, 2023 at 03:42:15PM +0200, Arnd Bergmann wrote: > On Fri, Mar 31, 2023, at 10:34, Neil Armstrong wrote: > > With [1] removing MPCore SMP support, this makes the OX820 barely usable, > > associated with a clear lack of maintainance, development and migration to > > dt-schema it's clear that Linux support for OX810 and OX820 should be removed. > > > > In addition, the OX810 hasn't been booted for years and isn't even present > > in an ARM config file. > > > > For the OX820, lack of USB and SATA support makes the platform not usable > > in the current Linux support and relies on off-tree drivers hacked from the > > vendor (defunct for years) sources. > > > > The last users are in the OpenWRT distribution, and today's removal means > > support will still be in stable 6.1 LTS kernel until end of 2026. > > > > If someone wants to take over the development even with lack of SMP, I'll > > be happy to hand off maintainance. > > > > The plan is to apply the first 4 patches first, then the drivers > > followed by bindings. Finally the MAINTAINANCE entry can be removed. > > > > I'm not sure about the process of bindings removal, but perhaps the bindings > > should be marked as deprecated first then removed later on ? > > > > It has been a fun time adding support for this architecture, but it's time > > to get over! > > > > Patch 2 obviously depends on [1]. > > > > [1] https://lore.kernel.org/all/20230327121317.4081816-1-arnd@kernel.org/ > > > > Signed-off-by: Neil Armstrong > > Thanks a lot for going through this and preparing the patches! > > I've discussed this with Daniel Golle on the OpenWRT channel as well, > and he indicated that the timing is probably fine here, as there are > already close to zero downloads for oxnas builds, and the 6.1 kernel > will only be part of a release in 2024. > > For the dependency on my other patch, I'd suggest you instead > remove the SMP files here as well, which means we can merge either > part independently based on just 6.3-rc. I can do that change > myself by picking up patches 1-4 of your RFC series, or maybe you > can send resend them after rebase to 6.3-rc1. > > For the driver removals, I think we can merge those at the same > time as the platform removal since there are no shared header files > that would cause build time regressions and there are no runtime > regressions other than breaking the platform itself. Maybe > just send the driver removal separately to the subsystem > maintainers with my > > Acked-by: Arnd Bergmann Sounds reasonable, so also Acked-by: Daniel Golle (but I am a bit sad about it anyway. without SMP it doesn't make sense to keep ox820 though)