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a8ff2cd916
If something has already set up the DPU before the komeda driver comes up, it will fail to init because it was just writing to the SRST bit in the GCU control register and ignoring others. This resulted in TBU bringup stalling and init failing. By writing completely we also set the mode back to 0 (inactive) too and thus TBU bringup works. Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220606114714.175499-2-carsten.haitzler@foss.arm.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.
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.