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2013607b85
Fault bits in MAX31790 are sticky and have to be cleared explicitly. A write operation into either the 'Target Duty Cycle' register or the 'Target Count' register is necessary to clear a fault. At the same time, we can never clear cached fault status values before reading them because the companion fault status for any given fan is cleared as well when clearing a fault. Cc: Jan Kundrát <jan.kundrat@cesnet.cz> Cc: Václav Kubernát <kubernat@cesnet.cz> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Václav Kubernát <kubernat@cesnet.cz> Link: https://lore.kernel.org/r/20210526154022.3223012-6-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.