linux-kernel - [PATCH v3 0/2] Add a generic virtual thermal sensor

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Message-Id: <20211029150857.504891-1-abailon@baylibre.com>
Date:   Fri, 29 Oct 2021 17:08:55 +0200
From:   Alexandre Bailon <abailon@...libre.com>
To:     rafael@...nel.org, rui.zhang@...el.com, daniel.lezcano@...aro.org,
        amitk@...nel.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        ben.tseng@...iatek.com, khilman@...libre.com, mka@...omium.org,
        Alexandre Bailon <abailon@...libre.com>
Subject: [PATCH v3 0/2] Add a generic virtual thermal sensor

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.

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
Changes in v3:
- Aggregate thermal zone instead of thermal sensors
- Use try_get_module / put_module to prevent thermal providers to be removed
- Update the bindings, to be more accurate

Alexandre Bailon (2):
  dt-bindings: Add DT bindings for the DT-based virtual sensor driver
  thermal: add a virtual sensor to aggregate temperatures

 .../thermal/virtual,thermal-sensor.yaml       |  80 +++++++
 drivers/thermal/Kconfig                       |   8 +
 drivers/thermal/Makefile                      |   1 +
 drivers/thermal/virtual_thermal_sensor.c      | 219 ++++++++++++++++++
 include/dt-bindings/thermal/virtual-sensor.h  |  15 ++
 5 files changed, 323 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/virtual,thermal-sensor.yaml
 create mode 100644 drivers/thermal/virtual_thermal_sensor.c
 create mode 100644 include/dt-bindings/thermal/virtual-sensor.h

-- 
2.32.0