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ae71f9b88e
This function is supposed to sum the lengths of all transfer TRBs in a TD up to a point, but it starts summing at the current dequeue since it only ever gets called on the first pending TD. This won't work when there are cancelled TDs at the beginning of the ring. The function tries to exclude No-Ops from the count, but not all cancelled TDs are No-Op'ed - not those the HW stopped on. The absolutely obvious fix is to start counting at the TD's first TRB. And remove the now-useless 'ring' parameter, and 'xhci' too. Signed-off-by: Michal Pecio <michal.pecio@gmail.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20241106101459.775897-4-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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 reStructuredText 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.