linux-kernel - Re: [GIT PULL] thermal for v5.14-rc1

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Date:   Sat, 3 Jul 2021 22:56:25 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Linux PM mailing list <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Chunyan Zhang <zhang.chunyan@...aro.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Rajeshwari Ravindra Kamble <rkambl@...eaurora.org>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Yangtao Li <tiny.windzz@...il.com>,
        Finley Xiao <finley.xiao@...k-chips.com>
Subject: Re: [GIT PULL] thermal for v5.14-rc1

03.07.2021 22:34, Linus Torvalds пишет:
> On Sat, Jul 3, 2021 at 9:17 AM Daniel Lezcano <daniel.lezcano@...aro.org> wrote:
>>
>> ssh://git@...olite.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git
>> tags/thermal-v5.14-rc1
> 
> This does not build for me. And I suspect it never built in linux-next either.
> 
> I get
> 
>   ERROR: modpost: "tegra_fuse_readl"
> [drivers/thermal/tegra/tegra30-tsensor.ko] undefined!
>   ERROR: modpost: "tegra_fuse_readl"
> [drivers/thermal/tegra/tegra-soctherm.ko] undefined!
>   make[1]: *** [scripts/Makefile.modpost:150: modules-only.symvers] Error 1
>   make[1]: *** Deleting file 'modules-only.symvers'
>   make: *** [Makefile:1762: modules] Error 2
> 
> and I think it's due to that commit 1f9c5936b10c
> ("thermal/drivers/tegra: Correct compile-testing of drivers") which
> quite sensibly tries to extend build coverage for the tegra thermal
> drivers, but that build coverage doesn't actually *work* outside the
> tegra world.
> 
> That commit says "All Tegra thermal drivers support compile-testing",
> but clearly they stumble at the last hurdle.
> 
> I made the decision to just unpull this, not because I couldn't fix
> it, but because if it was this untested, I don't want to worry about
> all the *other* code in there too.

It was tested in linux-next for about two weeks and it was a known
problem already [1], sorry again. The compile-testing depends on the
patch [2] that should come with the ARM32 PR. The linux-next was okay
because [2] got first into -next and I forgot about it. It will be fine
to defer these Tegra patches till the next release if this is the
easiest solution.

[1]
https://lore.kernel.org/linux-devicetree/20210616190417.32214-7-digetx@gmail.com/T/#m354e679e93c4f84e26d5e630423e47317d0c2edc

[2]
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=30b44e81772a5caa983000057ce1cd9cb4531647