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8c1561edc0
In MT8188, the register to enable/disable IOMMU can only be configured in secure world by SMC call. We should add a return value for configure port function for preparation because SMC call may return an error result. Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com> Reviewed-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220817124608.10062-3-chengci.xu@mediatek.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.