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

From: Daniel Lezcano
Date: Mon Jun 21 2021 - 13:13:41 EST



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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