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commitbed903167aupstream. Commitef72171b36("arm64: dts: exynos: Remove unneeded address space mapping for soc node") changed the address and size cells in root node from 2 to 1, but /memory nodes for the affected boards were not updated. This went unnoticed on Exynos5433-based TM2(e) boards, because they use u-boot, which updates /memory node to the correct values. On the other hand, the mentioned commit broke boot on Exynos7-based Espresso board, which bootloader doesn't touch /memory node at all. This patch reverts commitef72171b36("arm64: dts: exynos: Remove unneeded address space mapping for soc node"), so Exynos5433 and Exynos7 SoCs again matches other ARM64 platforms with 64bit mappings in root node. Reported-by: Alim Akhtar <alim.akhtar@samsung.com> Fixes:ef72171b36("arm64: dts: exynos: Remove unneeded address space mapping for soc node") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Cc: <stable@vger.kernel.org> # 5.3.x:72ddcf6aa2arm64: dts: exynos: Move GPU under /soc node for Exynos5433 Cc: <stable@vger.kernel.org> # 5.3.x:ede87c3a2barm64: dts: exynos: Move GPU under /soc node for Exynos7 Cc: <stable@vger.kernel.org> # 4.18.x Tested-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.