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[ Upstream commitb5765a1b44] In order to simplify the error patch(avoid call of_node_put), Use component_match_add instead component_match_add_release since we are only interested in the "device" here. Then we could always call of_node_put in normal path. Strictly this is not a fixes patch, but it is a prepare for adding the error path, thus I add a Fixes tag too. Fixes:d2e9a1102c("iommu/mediatek: Contain MM IOMMU flow with the MM TYPE") Suggested-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20221018024258.19073-3-yong.wu@mediatek.com Signed-off-by: Joerg Roedel <jroedel@suse.de> 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.