linux-kernel - Re: Old platforms: bring out your dead

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Message-ID: <CAK8P3a0j2XrV9a0Rm_3LaKAgKW8Kzneu-KXcfSU0zHS6S9ou8w@mail.gmail.com>
Date:   Mon, 11 Jan 2021 20:59:05 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Mattias Wallin <mattias.wallin@...com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Krzysztof Adamski <krzysztof.adamski@...ia.com>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Baruch Siach <baruch@...s.co.il>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Daniel Tang <dt.tangr@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Jamie Iles <jamie@...ieiles.com>,
        Barry Song <song.bao.hua@...ilicon.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jonas Jensen <jonas.jensen@...il.com>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Neil Armstrong <narmstrong@...libre.com>,
        Shawn Guo <shawnguo@...nel.org>, Alex Elder <elder@...aro.org>,
        Alexander Shiyan <shc_work@...l.ru>,
        Koen Vandeputte <koen.vandeputte@...ntric.com>,
        Hans Ulli Kroll <ulli.kroll@...glemail.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Wei Xu <xuwei5@...ilicon.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Mark Salter <msalter@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: Re: Old platforms: bring out your dead

On Mon, Jan 11, 2021 at 12:10 PM Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 08-01-21, 23:55, Arnd Bergmann wrote:
> > * spear -- added in 2010, no notable changes since 2015
>
> I started an email chain with the ST folks to see if there are any
> concerns with this getting removed and it was confirmed by Mattias
> (Cc'd) from Schneider Electric (one of SPEAr's customers) that they
> indeed use mainline on spear320s and the spear1380 boards, while they
> also have access to spear1310 board which they don't use that often.

Thank you for reaching out to them!

Do we actually support spear1380 with the mainline kernel? I've
never seen anything other than 1310 and 1340 models mentioned.
If Schneider have additional patches on top of mainline for this,
it would be good to get those merged as well. Is there a kernel
source tree available somewhere?

Rob Herring had mentioned that it would be nice to see SPEAr
get removed eventually because it was only partially converted
to devicetree, with some AUXDATA() (on 300/310/320/6xx) and
some dmaengine channel data still in source format. These need
to be finished before we can kill off AUXDATA.

      Arnd