linux-kernel - Re: [PATCH 1/5] ARM: configs: drop unused BACKLIGHT

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Message-ID: <CAK8P3a0N24zuQ+CM-_t66CS8AprzdtdfirfLWwGpjgcXjWjn=Q@mail.gmail.com>
Date:   Tue, 1 Dec 2020 16:50:22 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        ZHIZHIKIN Andrey <andrey.zhizhikin@...ca-geosystems.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "nicolas.ferre@...rochip.com" <nicolas.ferre@...rochip.com>,
        "ludovic.desroches@...rochip.com" <ludovic.desroches@...rochip.com>,
        "tony@...mide.com" <tony@...mide.com>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "wens@...e.org" <wens@...e.org>,
        "jernej.skrabec@...l.net" <jernej.skrabec@...l.net>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        "jonathanh@...dia.com" <jonathanh@...dia.com>,
        "will@...nel.org" <will@...nel.org>,
        "tsbogend@...ha.franken.de" <tsbogend@...ha.franken.de>,
        "James.Bottomley@...senPartnership.com" 
        <James.Bottomley@...senpartnership.com>,
        "deller@....de" <deller@....de>,
        "mpe@...erman.id.au" <mpe@...erman.id.au>,
        "benh@...nel.crashing.org" <benh@...nel.crashing.org>,
        "paulus@...ba.org" <paulus@...ba.org>,
        "lee.jones@...aro.org" <lee.jones@...aro.org>,
        "sam@...nborg.org" <sam@...nborg.org>,
        "emil.l.velikov@...il.com" <emil.l.velikov@...il.com>,
        "daniel.thompson@...aro.org" <daniel.thompson@...aro.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        arm-soc <arm@...nel.org>
Subject: Re: [PATCH 1/5] ARM: configs: drop unused BACKLIGHT_GENERIC option

On Tue, Dec 1, 2020 at 4:41 PM Alexandre Belloni
<alexandre.belloni@...tlin.com> wrote:
> On 01/12/2020 14:40:53+0000, Catalin Marinas wrote:
> > On Mon, Nov 30, 2020 at 07:50:25PM +0000, ZHIZHIKIN Andrey wrote:
> > > From Krzysztof Kozlowski <krzk@...nel.org>:

> > I tried to convince them before, it didn't work. I guess they don't like
> > to be spammed ;).
>
> The first rule of arm-soc is: you do not talk about arm@ and soc@

I don't mind having the addresses documented better, but it needs to
be done in a way that avoids having any patch for arch/arm*/boot/dts
and arch/arm/*/configs Cc:d to soc@...nel.org.

If anyone has suggestions for how to do that, let me know.

> > Or rather, SoC-specific patches, even to defconfig,
> > should go through the specific SoC maintainers. However, there are
> > occasional defconfig patches which are more generic or affecting
> > multiple SoCs. I just ignore them as the arm64 defconfig is usually
> > handled by the arm-soc folk (when I need a defconfig change, I go for
> > arch/arm64/Kconfig directly ;)).
>
> IIRC, the plan was indeed to get defconfig changes through the platform
> sub-trees. It is also supposed to be how multi_v5 and multi_v7 are
> handled and they will take care of the merge.

For cross-platform changes like this one, I'm definitely happy to
pick up the patch directly from soc@...nel.org, or from mailing
list if I know about it.

We usually do the merges for the soc tree in batches and rely
on patchwork to keep track of what I'm missing, so if Olof and
I are just on Cc to a mail, we might have forgotten about it
by the time we do the next merges.

      Arnd