linux-kernel - Re: [PATCH v6 1/2] soc: loongson: add GUTS driver for loongson-2 platforms

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Date:   Fri, 11 Nov 2022 14:08:11 +0800
From:   Yinbo Zhu <zhuyinbo@...ngson.cn>
To:     Arnd Bergmann <arnd@...db.de>, Huacai Chen <chenhuacai@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        WANG Xuerui <kernel@...0n.name>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hector Martin <marcan@...can.st>,
        Lubomir Rintel <lkundrak@...sk>,
        "Conor.Dooley" <conor.dooley@...rochip.com>,
        Hitomi Hasegawa <hasegawa-hitomi@...itsu.com>,
        Heiko Stübner <heiko@...ech.de>,
        Brian Norris <briannorris@...omium.org>,
        Sven Peter <sven@...npeter.dev>, loongarch@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        soc@...nel.org
Subject: Re: [PATCH v6 1/2] soc: loongson: add GUTS driver for loongson-2
 platforms



在 2022/11/9 下午11:08, Arnd Bergmann 写道:
> On Wed, Nov 9, 2022, at 14:50, Huacai Chen wrote:
>> On Wed, Nov 9, 2022 at 7:06 PM Arnd Bergmann <arnd@...db.de> wrote:
>>> On Wed, Nov 9, 2022, at 11:15, Linus Walleij wrote:
>>>> On Wed, Nov 9, 2022 at 11:03 AM Yinbo Zhu <zhuyinbo@...ngson.cn> wrote:
>>>>
>>>>> Hi maintainer,
>>>>>
>>>>> This patch I had verified that base on mainline 6.1-rc3 tree, it is
>>>>> okay, if no other issue, please you help me merge it to upstream.
>>>>
>>>> Aren't these loongarch maintainers listed in MAINTAINERS able to
>>>> merge this? Certainly Huacai can merge stuff to drivers/soc as
>>>> need be. drivers/soc is a bit shared between different archs.
>>>
>>> I'm generally happy to keep an eye on stuff in drivers/soc/ across
>>> architectures and merge it through the soc tree, especially for
>>> new platforms, but merging this through the loongarch tree works
>>> as well.
>> So drivers/soc is similar to drivers/platform that can be merged
>> through corresponding architecture trees?
> 
> Right, I think in both cases, there is no top-level subsystem
> maintainer, but the rules are specific to the second-level
> hierarchy: most parts of drivers/platform/ happen to go
> through the x86 platform maintainer trees, and for drivers/soc
> we merge most stuff through the soc tree, but a few parts
> of each have different maintainers.
> 
>>> Since the driver was already sent to soc@...nel.org, I can
>>> simply pick it up through patchwork[1] when I do my next round
>>> of merges. I'll leave this up to Huacai Chen and WANG Xuerui,
>>> let me know if you prefer to merge it through the loongarch
>>> tree.
>> I'm happy that this series be merged through your linux-arch tree, but
>> if it is better (I'm not sure which is better) to go through loongarch
>> tree I can also merge it later. However, I have some comments about
>> this version. :)
> 
> I would prefer the soc tree, and will just apply the
> patches from Yinbo Zhu directly this time as I already
> have them in my queue. If there are more than a few
> drivers/soc/loongarch/ patches in the future, maybe you can
> pick them up into a separate branch and forward those
> to soc@...nel.org.
> 
> Note that I have two separate roles here: I have the
> asm-generic tree that I maintain for patches to
> include/asm-generic as well as the occasional new
> architecture review as I did for loongarch.
> 
> The other one is the group maintained soc tree that
> is mainly for Arm device tree files, but also contains
> soc specific code (arch/arm/mach-*), defconfig files,
> drivers (drivers/{soc,firmware,memory,reset}). This is
> now extended to arch/riscv and occasionally other
> architectures as well, so drivers/soc/loongson fits
> well in here.
> 
>       Arnd
Hi Arnd Bergmann,

I had add v7 version patch and please help check and merge it.
in addition, I don't find apprioate branch in your tree for test, so
my patch was tested that base on 6.1-rc3 master branch.

BRs,
YinBo.
>