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[ Upstream commite319a1b956] The iommu pgtable support is only available when IOMMU support is built into the kernel: WARNING: unmet direct dependencies detected for IOMMU_IO_PGTABLE Depends on [n]: IOMMU_SUPPORT [=n] Selected by [y]: - DRM_MSM [=y] && HAS_IOMEM [=y] && DRM [=y] && (ARCH_QCOM [=y] || SOC_IMX5 || ARM && COMPILE_TEST [=y]) && OF [=y] && COMMON_CLK [=y] && MMU [=y] && (QCOM_OCMEM [=y] || QCOM_OCMEM [=y]=n) Fix the dependency accordingly. There is no need for depending on CONFIG_MMU any more, as that is implied by the iommu support. Fixes:b145c6e65e("drm/msm: Add support to create a local pagetable") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.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.