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 48298C433F5 for ; Tue, 2 Nov 2021 15:36:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3141E60EE3 for ; Tue, 2 Nov 2021 15:36:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233495AbhKBPj0 (ORCPT ); Tue, 2 Nov 2021 11:39:26 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:40441 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231911AbhKBPjY (ORCPT ); Tue, 2 Nov 2021 11:39:24 -0400 Received: from mail-wr1-f46.google.com ([209.85.221.46]) by mrelayeu.kundenserver.de (mreue012 [213.165.67.97]) with ESMTPSA (Nemesis) id 1N45th-1mYxc12VYv-0103aD; Tue, 02 Nov 2021 16:36:48 +0100 Received: by mail-wr1-f46.google.com with SMTP id d27so15995035wrb.6; Tue, 02 Nov 2021 08:36:48 -0700 (PDT) X-Gm-Message-State: AOAM532QAeTlaIqCNH31kLvWFnE9FdTEyqr1/jnX9OdthmyZsKo7QqVl nR8+S+gF64ZIHr0vt3evZWdhR58bCjoFicjzBoE= X-Google-Smtp-Source: ABdhPJyFKOfRqhd75a+W+sW2HO7LeKfPQjRuHDjKYWynSB0Dbok1mAHYJvCIj1wm+jFO5p+NtTMlBn87RTuivMg+2qc= X-Received: by 2002:a05:6000:10cb:: with SMTP id b11mr36126749wrx.71.1635867408110; Tue, 02 Nov 2021 08:36:48 -0700 (PDT) MIME-Version: 1.0 References: <20211102110519.142434-1-krzysztof.kozlowski@canonical.com> In-Reply-To: From: Arnd Bergmann Date: Tue, 2 Nov 2021 16:36:31 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH] ARM: s3c: mark as deprecated and schedule removal after 2022 To: Krzysztof Kozlowski Cc: Arnd Bergmann , Russell King , Linus Walleij , Linux ARM , Linux Kernel Mailing List , "moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES" , Olof Johansson , Kukjin Kim , Marek Szyprowski , Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Inki Dae , Cedric Roux , Sam Van Den Berge , Lihua Yao , Heiko Stuebner Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:4ws8VumK4vssSHEzxcjBz8l8o2S15+TrZ8eVSNY6jZa8T7viBa1 CbHUW7d7QzXuhGfPrnNl+b/ZODi+p5mka70RXdS1O90IjdyW1ybfmCrxOwAh9OjdNbmzo/h ohbetyuD9/TeUX6w5Pubw2MaowBnyGcx28QRhWZMvaQvi1d0/aZzp1VnjQs9GbawjneDWZt BweSNusmXgK+S2ncEOOUg== X-UI-Out-Filterresults: notjunk:1;V03:K0:RaT5ij0x6zE=:LwniGRe8hNx7NpVdN9ojxO hWRKN5O4EfvfqR8OqmNBLGWxji1Z/mXKoQRobEn5DF5nrTjWZuo0oxSo3S0V00f+fojYDGSyC c5f7mbPsCOYR1cS4PAwqZLmkNWUFrgS/1slCHCMKCkZ/URR6GEtGzRJDsBi9Lx3ZLHdzl0Y5c c7dI/g1PAh3fBlJlv1KYDCznpMHZZZ/s90wQfX3xCXjKX+erNqTXpHPfQCbSSbnKlfHBVFByG tJQYOtK/LyF1K4gPQUbVo2W2ugFAmkXN4Fc95k0t+uQpD7Ed49UWl0IDRHgyzkq19LCsfhOUc loT2tAu+Kgfl/mANw30VqMBfIpDrPI5p9XPRTL+gcumdS/iCm7RyWfCfDtDvWtR3ysD6z23A7 aFBKCFeG9f3ILwRKOVmTwYyr4uAyT1+yTrEuS/TkrGTi48C0nANywz8rWDcXt9jjqHVDumk8z xbxG75fuLYmuSwLgd2DBV6hE10o+p4AQ0HnIhllB3al1cWtExfhMd4gjxDDngc/YFMcL9pmsJ xxkxZ1/l4gpY3aSUc16t0TPPftT9A+POIlDN2dD9d0BkcN8d9tNVha2IcRjSGjWpSBMLo5zYu Tm1uRSqGKl3njrxBYyWZwgrMo23JtdSd365m1ReweSxl7LhFey2KMwccVPeWau4xgRGVDMRl1 okzVWX0DfT9YOCAkIPzl3vhuu4oclF4YgsMb1d5TRQe20Sb7pk/uwyWbs2PW+gTC3JGftbMpO KTzhcpPdPSikOEbGQTKEOH20IbCp4cbvS82P5Xn8XuXUZJzvFw/mIBUudsOKdaqk/mKKVXBo7 qtsp8deeHqIq2WRo9ClL/e9F6MB5kpPt7JhVP1VXYyT/Ag9NX8= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 2, 2021 at 3:55 PM Krzysztof Kozlowski wrote: > On 02/11/2021 14:05, Arnd Bergmann wrote: > > On Tue, Nov 2, 2021 at 12:05 PM Krzysztof Kozlowski wrote: > > > > The ones that would help the most in removing are probably omap1, > > pxa, and the strongarm-based platforms: those have a lot of special > > cases in the code base. At least a year ago the maintainers wanted > > to keep those around, but maybe the 2022 LTS kernel is a better > > time for planned EOL. > > If the maintainers or users expressed wish to keep them alive, let's > keep them. In fact there might be some industrial machine working for 20 > more years... > > If you did not receive any feedback about your queries, I am happy to > add similar deprecation-warning notes to these as well. Just let me know > which one should be affected. There are definitely platforms with long service life, such as ep93xx or ixp4xx, both of which are actively being worked on. For the other ones, I think it worth asking again every other year or so, either for modernising or dropping them in the long run. > > check around them, I'm fine with it though -- it would still catch all > > real users without bothering build-testing bots. > > I like that idea, I'll use it in v2. No one really should build a real > config with COMPILE_TEST and I want to nag and find the real users. > > > I think even with CONFIG_WERROR, we don't fail the build for #warning, > > so that would also work in place of #pragma message. > > It fails, I tried it. That's why #pragma. Ok, #pragma with #ifdef is fine then. Arnd