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21420841a5
There are lot of codes overlap between prep_sg and prep_cyclic function. Add sdma_transfer_init() function to elimated the code overlap. Signed-off-by: Robin Gong <yibin.gong@nxp.com> Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de> Tested-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Vinod Koul <vkoul@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.
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.