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f7c2068a17
MVEBU thermal IP supports multiple channels. Each channel may have several sensors but for now each channel is wired to only one thermal sensor. The first channel always points to the so called internal sensor, within the thermal IP. There is usually one more channel (with one sensor each time) per CPU. The code has been written to support possible evolutions of the ap806 IP that would embed more CPUs and thus more channels to select. Each channel should be referenced in the device tree as an independent thermal zone. Add the possibility to read each of these sensors through sysfs by registering all the sensors (translated in "thermal_zone"). Also add a mutex on these accesses to avoid read conflicts (only one channel/sensor may be selected and read at a time). Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.