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e111fb9251
USB4 v2 bumps the per-lane speed up to 40 Gb/s. Also the lanes are always bonded which gives 80 Gb/s symmetric link (and 120/40 Gb/s asymmetric). This updates the speed and width of routers and XDomain connections to support the Gen 4 link. For now we keep the link as is even if it is already asymmetric. While there make tb_port_set_link_width() static. Signed-off-by: Gil Fine <gil.fine@intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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.