Re: [PATCH v2 0/2] Add a generic virtual thermal sensor

From: Daniel Lezcano
Date: Fri Sep 17 2021 - 08:41:28 EST


On 17/09/2021 09:27, Alexandre Bailon wrote:
> This series add a virtual thermal sensor.
> It could be used to get a temperature using some thermal sensors.
> Currently, the supported operations are max, min and avg.
> The virtual sensor could be easily extended to support others operations.
>
> Note:
> Currently, thermal drivers must explicitly register their sensors to make them
> available to the virtual sensor.
> This doesn't seem a good solution to me and I think it would be preferable to
> update the framework to register the list of each available sensors.

Why must the drivers do that ?

> Changes in v2:
> - Fix some warnings / errors reported by kernel test robot
> - rename some struct and functions with a more accurate name
> - update the dt bindings: rename type attribute to aggregation-function
> - factorize a little bit the aggregation functions
>
> Alexandre Bailon (2):
> dt-bindings: Add bindings for the virtual thermal sensor
> thermal: add a virtual sensor to aggregate temperatures
>
> .../thermal/virtual,thermal-sensor.yaml | 67 +++
> drivers/thermal/Kconfig | 8 +
> drivers/thermal/Makefile | 1 +
> drivers/thermal/virtual-sensor.h | 51 +++
> drivers/thermal/virtual_sensor.c | 400 ++++++++++++++++++
> include/dt-bindings/thermal/virtual-sensor.h | 15 +
> 6 files changed, 542 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/thermal/virtual,thermal-sensor.yaml
> create mode 100644 drivers/thermal/virtual-sensor.h
> create mode 100644 drivers/thermal/virtual_sensor.c
> create mode 100644 include/dt-bindings/thermal/virtual-sensor.h
>


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