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589601720d
The iommu private pointer is already used in the Mediatek IOMMU v1 driver, so move the dma_iommu_mapping pointer into 'struct mtk_iommu_data' and do not use dev->archdata.iommu anymore. Signed-off-by: Joerg Roedel <jroedel@suse.de> Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Link: https://lore.kernel.org/r/20200625130836.1916-9-joro@8bytes.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.