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From:   Huacai Chen <chenhuacai@kernel.org>
Date:   Mon, 31 Jul 2023 22:13:15 +0800
Message-ID: <CAAhV-H7jVp2fX5Rosd8YSj_6oFdmsu5iHsBmYH_8iX2qan7r+w@mail.gmail.com>
Subject: Re: [PATCH v5 0/2] soc: loongson2_pm: add power management support
To:     Conor Dooley <conor.dooley@microchip.com>
Cc:     Yinbo Zhu <zhuyinbo@loongson.cn>, Arnd Bergmann <arnd@arndb.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>, linux-pm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Jianmin Lv <lvjianmin@loongson.cn>, wanghongliang@loongson.cn,
        Liu Peibao <liupeibao@loongson.cn>,
        loongson-kernel@lists.loongnix.cn, Liu Yun <liuyun@loongson.cn>,
        kernel@xen0n.name
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Hi, Conor and Arnd,

On Fri, Jul 28, 2023 at 6:18=E2=80=AFPM Conor Dooley <conor.dooley@microchi=
p.com> wrote:
>
> On Fri, Jul 28, 2023 at 05:48:29PM +0800, Huacai Chen wrote:
> > On Fri, Jul 28, 2023 at 4:44=E2=80=AFPM Conor Dooley <conor.dooley@micr=
ochip.com> wrote:
> > > On Fri, Jul 28, 2023 at 03:49:42PM +0800, Yinbo Zhu wrote:
> > > > Loongson-2 platform support Power Management Controller (ACPI) and =
this
> > > > series patch was to add PM driver that base on dts and PM binding s=
upport.
> > > >
> > > > Change in v5:
> > > >               1. The patch "[PATCH v3 1/3] loongarch: export some a=
rch-specific
> > > >                  pm interfaces" had been merged into linux-next tre=
e thus this
> > > >                  v4 series patch need drop it and need depend on it=
 and it's
> > > >                  patch link was:
> > > > https://lore.kernel.org/all/20230615091757.24686-2-zhuyinbo@loongso=
n.cn/
> > >
> > > Just to note, it might be in linux-next, but more importantly it is a=
lso
> > > in v6.5-rc1, so there is no issue with dependencies.
> > >
> > > >               2. Swap the positions of compatible for 2k1000 and 2k=
0500.
> > >
> > > I noticed you sent a mail pinging the v4 of this series yesterday as =
it
> > > had not been picked up. Who do you actually expect to apply these
> > > patches? There does not appear to be a maintainer listed for the
> > > drivers/soc/loongson directory, just one for your GUTS driver.
> > >
> > > As a result, patches like
> > > <https://lore.kernel.org/all/a69170cb55cfc73e378b40ccf1d9c16f@208suo.=
com/>
> > > have gone ignored. Granted, that patch is probably crap that does not
> > > apply, due to 208suo.com people sending corrupted patches, but you th=
e
> > > point.
> > >
> > > More interestingly there is also
> > > <https://lore.kernel.org/all/40b324af-3483-4b3d-b65a-a97944aa4a70@app=
.fastmail.com/>
> > > which seems to have also gone missing (I don't see it in linux-next),
> > > despite some discussion about how the patch should be merged.
> > >
> > > Looks to me like drivers/soc/loongson/ needs someone to take
> > > responsibility for picking up patches for the directory & sending the=
m
> > > to the soc maintainers (with a new MAINTAINERS entry reflecting that)=
 so
> > > that patches don't fall through the cracks.
>
> > As discussed when the guts driver gets merged, I think it is better to
> > go via Arnd's soc tree for these patches under drivers/soc/loongson/.
>
> Discussed perhaps, and that does seem to me like the correct thing to do,
> but nobody actually did anything about it.
> Somebody needs to set up a git tree, add a MAINTAINERS entry for the
> directory, actually apply the patches and then send a PR to the soc
> maintainers (as mentioned by Arnd in the second patch I linked there).
>
> Perhaps that someone is you, or maybe it is Yinbo, up to you guys to
> decide :)
I'm a "merge hater" and "rebase lover", so I think it is better that
Arnd picks up these patches to the soc tree directly. But if
necessary, I can also create a "soc-loongson-next" branch in my tree
and then send PR to Arnd.

Huacai
>
> Cheers,
> Conor.
>