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[ Upstream commit 86d57d9c07d54e8cb385ffe800930816ccdba0c1 ] Since sdma hardware configure postpone to transfer phase, have to disable dma request before dma transfer setup because there is a hardware limitation on sdma event enable(ENBLn) as below: "It is thus essential for the Arm platform to program them before any DMA request is triggered to the SDMA, otherwise an unpredictable combination of channels may be started." Signed-off-by: Carlos Song <carlos.song@nxp.com> Signed-off-by: Robin Gong <yibin.gong@nxp.com> Link: https://patch.msgid.link/20251024055320.408482-1-carlos.song@nxp.com Signed-off-by: Mark Brown <broonie@kernel.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.