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56f1cd34a4
The barrier() was intended to reduce possibility of racing with the interrupt handler, but driver's code evolved significantly and today's driver enables interrupt only when it waits for completion notification. Hence barrier() has no good use anymore, let's remove it. Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Wolfram Sang <wsa@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.