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

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Message-ID: <e1e3816a-ddf4-be13-0410-0b929f3be60b@linaro.org>
Date:   Mon, 21 Jun 2021 19:13:33 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Dmitry Osipenko <digetx@...il.com>,
        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


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



On 16/06/2021 21:04, Dmitry Osipenko wrote:
> Hi,
> 
> This series adds support for the thermal sensor that is found on NVIDIA
> Tegra30 SoC. Sensor monitors temperature and voltage of the SoC, it also
> emits signals to the power management and clock controllers that are
> performing the emergency shut down and the CPU frequency throttling
> when a pre-programmed temperature levels are reached.
> 
> Changelog:
> 
> v4: - Removed DIV2 CPU frequency throttling and cooling device part as was
>       suggested by Daniel Lezcano since we need to notify cpufreq about the
>       updated frequency and change the thermal pressure. The thermal pressure
>       change should co-exists with the cpufreq_cooling. This all needs some
>       more thought, so the DIV2 mitigation will come sometime later.
> 
>     - Added ack from Thierry Reding.
> 
>     - Changed default TZ trips in the device-tree to the silicon temperature
>       levels, instead of the average device levels.
> 
> v3: - No code changes. CC'ed linux-pm, which was previously missed by accident.
>       Not sure how much that is important for the thermal patches, but won't
>       hurt to re-send since only DT binding was reviewed so far.
> 
> v2: - Made a very minor improvement to one error message, it now prints
>       number of channel at which error occurred.
> 
>     - Added r-b from Rob Herring to the binding.
> 
> Dmitry Osipenko (6):
>   dt-bindings: thermal: Add binding for Tegra30 thermal sensor
>   thermal: thermal_of: Stop zone device before unregistering it
>   thermal/drivers/tegra: Add driver for Tegra30 thermal sensor
>   ARM: tegra_defconfig: Enable CONFIG_TEGRA30_TSENSOR
>   ARM: multi_v7_defconfig: Enable CONFIG_TEGRA30_TSENSOR
>   ARM: tegra: Add SoC thermal sensor to Tegra30 device-trees
> 
>  .../thermal/nvidia,tegra30-tsensor.yaml       |  73 ++
>  arch/arm/boot/dts/tegra30.dtsi                |  87 ++-
>  arch/arm/configs/multi_v7_defconfig           |   1 +
>  arch/arm/configs/tegra_defconfig              |   1 +
>  drivers/thermal/tegra/Kconfig                 |   7 +
>  drivers/thermal/tegra/Makefile                |   1 +
>  drivers/thermal/tegra/tegra30-tsensor.c       | 673 ++++++++++++++++++
>  drivers/thermal/thermal_of.c                  |   3 +
>  8 files changed, 842 insertions(+), 4 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/thermal/nvidia,tegra30-tsensor.yaml
>  create mode 100644 drivers/thermal/tegra/tegra30-tsensor.c
> 


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