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13e793da4f
commit47f50d6107upstream. Early xHCI 1.1 spec did not mention USB 3.1 capable hosts should set sbrn to 0x31, or that the minor revision is a two digit BCD containing minor and sub-minor numbers. This was later clarified in xHCI 1.2. Some USB 3.1 capable hosts therefore have sbrn set to 0x30, or minor revision set to 0x1 instead of 0x10. Detect the USB 3.1 capability correctly for these hosts as well Fixes:ddd57980a0("xhci: detect USB 3.2 capable host controllers correctly") Cc: <stable@vger.kernel.org> # v4.18+ Cc: Loïc Yhuel <loic.yhuel@gmail.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/1570190373-30684-5-git-send-email-mathias.nyman@linux.intel.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.