[PATCH v3 0/2] Surface fan monitoring driver

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Third version of a hwmon driver to monitor the fan's rpm on Microsoft 
Surface devices, originally submitted in [1], v2 at [2]. All changes since
v2 are incorporating feedback, cleaning up and simplifying the module.

Changes in v3:
  - Removed type and attr checks in read and is_visible.
  - Removed assigning sdev to ssam_device drvdata.
  - Propagate return from __ssam_fan_rpm_get.
  - Renamed hwmon chip name from 'fan' to 'surface_fan'.
  - Removed unnecessary platform_device header.
Changes in v2:
  - Removed all unsupported sysfs attributes from the hwmon driver, leaving
    the fan input as the only supported attribute.

[1] https://lore.kernel.org/linux-hwmon/20231220234415.5219-1-ivor@xxxxxxxxxxxx/T/
[2] https://lore.kernel.org/linux-hwmon/20231228003444.5580-1-ivor@xxxxxxxxxxxx/T/

Ivor Wanders (2):
  platform/surface: aggregator_registry: add entry for fan speed
  hwmon: add fan speed monitoring driver for Surface devices

 Documentation/hwmon/index.rst                 |  1 +
 Documentation/hwmon/surface_fan.rst           | 25 +++++
 MAINTAINERS                                   |  8 ++
 drivers/hwmon/Kconfig                         | 13 +++
 drivers/hwmon/Makefile                        |  1 +
 drivers/hwmon/surface_fan.c                   | 93 +++++++++++++++++++
 .../surface/surface_aggregator_registry.c     |  7 ++
 7 files changed, 148 insertions(+)
 create mode 100644 Documentation/hwmon/surface_fan.rst
 create mode 100644 drivers/hwmon/surface_fan.c


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