linux-kernel - Re: [PATCH v4 0/6] Add driver for NVIDIA Tegra30 SoC Thermal sensor

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Date:   Mon, 21 Jun 2021 21:25:46 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Amit Kucheria <amitk@...nel.org>,
        Andreas Westman Dorcsak <hedmoo@...oo.com>,
        Maxim Schwalm <maxim.schwalm@...il.com>,
        Svyatoslav Ryhel <clamor95@...il.com>,
        Ihor Didenko <tailormoon@...bler.ru>,
        Ion Agorria <ion@...rria.com>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        Peter Geis <pgwipeout@...il.com>
Cc:     linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v4 0/6] Add driver for NVIDIA Tegra30 SoC Thermal sensor

21.06.2021 21:16, Daniel Lezcano пишет:
> On 21/06/2021 19:26, Dmitry Osipenko wrote:
>> 21.06.2021 20:13, Daniel Lezcano пишет:
>>>
>>> Hi Dmitry,
>>>
>>> I compiled the your series and got these unresolved.
>>>
>>> arm-linux-gnueabi-ld: drivers/thermal/tegra/soctherm-fuse.o: in function
>>> `tegra_calc_shared_calib':
>>> soctherm-fuse.c:(.text+0x60): undefined reference to `tegra_fuse_readl'
>>> arm-linux-gnueabi-ld: soctherm-fuse.c:(.text+0xf0): undefined reference
>>> to `tegra_fuse_readl'
>>> arm-linux-gnueabi-ld: drivers/thermal/tegra/soctherm-fuse.o: in function
>>> `tegra_calc_tsensor_calib':
>>> soctherm-fuse.c:(.text+0x144): undefined reference to `tegra_fuse_readl'
>>> arm-linux-gnueabi-ld: drivers/thermal/tegra/tegra30-tsensor.o: in
>>> function `tegra_tsensor_fuse_read_spare':
>>> tegra30-tsensor.c:(.text+0x364): undefined reference to `tegra_fuse_readl'
>>> arm-linux-gnueabi-ld: drivers/thermal/tegra/tegra30-tsensor.o: in
>>> function `tegra_tsensor_probe':
>>> tegra30-tsensor.c:(.text+0x874): undefined reference to `tegra_fuse_readl'
>>> arm-linux-gnueabi-ld:
>>> drivers/thermal/tegra/tegra30-tsensor.o:tegra30-tsensor.c:(.text+0x904):
>>> more undefined references to `tegra_fuse_readl' follow
>>> make[1]: *** [/home/dlezcano/Work/src/linux/Makefile:1196: vmlinux] Error 1
>>> make: *** [/home/dlezcano/Work/src/linux/Makefile:215: __sub-make] Error 2
>>
>> The missing stub was added by [1]. I guess you could take [2] for the
>> base since Thierry already sent out PR for 5.14, or we could defer the
>> "thermal/drivers/tegra: Correct compile-testing of drivers" patch till
>> the next kernel version. Please choose whatever is easier for you.
> 
> I would like to prevent to have more patches floating around. As we are
> close the to the merge window, I think we can live with the missing
> stubs ATM. But in the future, provide an immutable branch with the
> fixes, so we can share it and prevent these issues.

Thank you! There were multiple issues like this during this kernel
release. It's not easy to track all dependencies, I keep forgetting when
and which patches are already applied. Hopefully nobody bisects code
with COMPILE_TEST=y, so this should be a minor issue. Sorry for the
inconvenience.