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f7bf7eb2d7
Add support for fan drawer's capability and present registers in order to set mapping between the fan drawers and tachometers. Some systems are equipped with fan drawers with one tachometer inside. Others with fan drawers with several tachometers inside. Using present register along with tachometer-to-drawer mapping allows to skip reading missed tachometers and expose input for them as zero, instead of exposing fault code returned by hardware. Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Link: https://lore.kernel.org/r/20210322172237.2213584-1-vadimp@nvidia.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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.
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.