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[ Upstream commit 2bfeca73e94567c1a117ca45d2e8a25d63e5bd2c ] Introduce tb_port_path_direction_downstream() to check if path from source adapter to destination adapter is directed towards downstream. Convert existing users to call this helper instead of open-coding. No functional changes. Signed-off-by: Gil Fine <gil.fine@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Qin Wan <qin.wan@hp.com> Signed-off-by: Alexandru Gagniuc <alexandru.gagniuc@hp.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.