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a6daa22073
Similar to i.MX8QM/QXP SCU, i.MX8ULP SCU MU is dedicated for communication between S400 and Cortex-A cores from hardware design, it could not be reused for other purpose. To use S400 MU more effectivly, add "fsl,imx8ulp-mu-s4" compatile to support fast IPC. Signed-off-by: Peng Fan <peng.fan@nxp.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.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.