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Use IOMMU groups to attach the host1x device to its IOMMU domain. This is not strictly necessary because the domain isn't shared with any other device, but it makes the code consistent with how IOMMU is handled in other drivers and provides an easy way to detect when no IOMMU has been attached via device tree. Signed-off-by: Thierry Reding <treding@nvidia.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.