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db0a196bd8
In order to optimize serial communication (performance/throughput VS latency), we may need to tweak DMA period number and size. This adds DT properties to configure those values before initialising DMA. The defaults will stay the same as before. [update documentation and commit message, rebase to current master, switch back to DT instead of sysfs] Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20210430175038.103226-2-sebastian.reichel@collabora.com 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.
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.