Re: [RFC PATCH] ARM: s3c: mark as deprecated and schedule removal after 2022

From: "Heiko Stübner" <heiko@sntech.de>
To: Cedric Roux <sed@free.fr>, Russell King <linux@armlinux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	Olof Johansson <olof@lixom.net>, Kukjin Kim <kgene@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
	Sylwester Nawrocki <snawrocki@kernel.org>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	Inki Dae <inki.dae@samsung.com>,
	Sam Van Den Berge <sam.van.den.berge@telenet.be>,
	Lihua Yao <ylhuajnu@outlook.com>
Subject: Re: [RFC PATCH] ARM: s3c: mark as deprecated and schedule removal after 2022
Date: Sat, 06 Nov 2021 20:33:06 +0100	[thread overview]
Message-ID: <4062510.I3n91tvSNF@diego> (raw)
In-Reply-To: <08c8f447-dcae-83b4-e5b3-a13704a5b158@canonical.com>

Am Samstag, 6. November 2021, 19:20:05 CET schrieb Krzysztof Kozlowski:
> On 05/11/2021 18:49, Cedric Roux wrote:
> > On 11/2/21 12:05 PM, Krzysztof Kozlowski wrote:
> >> If there are any users, they might respond and postpone the removal.
> > 
> > Hi Krzysztof,
> > 
> > I use a mini2440 (which is s3c2440) as an http server at home.
> > I don't have much time but I can do some testing from time to
> > time, but my setup is very custom so I don't know how helpful
> > that would be for the community (if there is one).
> 
> We just need to know whether the kernel behaves properly on the
> hardware. The setup itself should not matter, but what matters more is
> that you do not run a new kernel at all. There is a lot of untested code
> there.
> 
> > 
> > I would be sad to see official support disappear, but I know
> > how hard it is to maintain stuff, and I think I can keep going
> > with the current kernel I use (which is not even 5.xx I think),
> > so that would not be a big damage for me. And if I have special
> > needs in the future (very doubtful) I guess I could hack something
> > on my own.
> > 
> > Anyway, there is at least one s3c2440 server on Earth powered
> > by the linux kernel. Now you know! :)
> 
> Thanks for coming back! We will see how much of feedback we gather.

I do believe all (or at least most) of s3c24xx could run with a devicetree
base with core peripherals enabled.

So one possible alternative way could be to just deprecate (and then drop)
all the board-files + their platform-data parts in mach-s3c.

Heiko