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[WHY] DP specifies that an LTTPR device is only present if PHY_REPEATER_CNT is 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, or 0x01. All other values should be considered no LTTPRs present. [HOW] Function dp_convert_to_count already does this check. Use it to determine if PHY_REPEATER_CNT is a valid LTTPR count. Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com> Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Anson Jacob <Anson.Jacob@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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.