linux-kernel - Re: [PATCH v2 1/3] mtd: nand: Cleanup/rework the atmel

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Date:   Thu, 23 Feb 2017 21:18:13 -0800
From:   Håvard Skinnemoen <hskinnemoen@...il.com>
To:     Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Hans-Christian Egtvedt <egtvedt@...fundet.no>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Richard Weinberger <richard@....at>,
        "open list:MEMORY TECHNOLOGY..." <linux-mtd@...ts.infradead.org>,
        Nicolas Ferre <nicolas.ferre@...el.com>,
        Haavard Skinnemoen <hskinnemoen@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Wenyou Yang <wenyou.yang@...el.com>,
        Josh Wu <rainyfeeling@...look.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Pawel Moll <pawel.moll@....com>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        Kumar Gala <galak@...eaurora.org>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] mtd: nand: Cleanup/rework the atmel_nand driver

On Tue, Feb 21, 2017 at 9:14 AM, Alexandre Belloni
<alexandre.belloni@...e-electrons.com> wrote:
> On 21/02/2017 at 18:43:35 +0200, Andy Shevchenko wrote:
>> >> Come on, v4.10 has just been release and
>>
>> It doesn't build anymore. And current case even worse
>> Face it. It's dead.
>>
>
> I agree it hasn't seen any significant development in a while but I'm
> not the on able to take that decision.

I've been wanting to add devicetree support for some time, but I no
longer remember how to build the toolchain, and I don't have fond
memories of that whole process. And the fact that
4.2.4-atmel.1.1.3.avr32linux.1 is still the most current version of
gcc doesn't make me very optimistic.

So while Hans-Christian and others have been doing a great job of
keeping AVR32 on life support, I tend to think that if there's not
enough enthusiasm for the architecture to build a modern toolchain or
add support for device tree, avr32-linux probably isn't going anywhere
exciting.

> A few weeks ago, I was telling Boris to let it not build for a while and
> then remove it. You already went out of your way to make it work. Again,
> feel free to send a patch removing avr32. I can only see a lot of
> benefits for the Atmel ARM SoCs and the many cleanups that will follow.

Agree, I can't help but feel that the AVR32 support is doing more harm
than good at this point.

> If nobody complains about the 4.10 breakage, You'll have plenty of time
> to remove it for 4.12

I'm fine with that, but I haven't put much effort into keeping it
alive lately. If Hans-Christian agrees, I'm willing to post a patch to
remove it, or ack someone else's patch.

Håvard