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There are rare cases where the device CPU's watchdog has expired and as a result, the watchdog reset has happened and the CPU will now move to running its preboot f/w. When that happens, the driver will only know that a heartbeat failure occurred. As a result, the driver will send a message to the CPU's main f/w asking it to reset the device, but because the CPU is now running preboot, it won't respond and the re-initialization process will later fail when trying to load the f/w. The solution is to send the request to the preboot as well, only if the reset was caused because of HB failure. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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.