Mathias Nyman 3d13818a99 xhci: Prevent infinite loop in transaction errors recovery for streams
[ Upstream commit a1575120972ecd7baa6af6a69e4e7ea9213bde7c ]

Make sure to also limit the amount of soft reset retries for transaction
errors on streams in cases where the transaction error event doesn't point
to any specific TRB.

In these cases we don't know the TRB or stream ring, but we do know which
endpoint had the error.

To keep error counting simple and functional, move the current err_count
from ring structure to endpoint structure.

Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20221130091944.2171610-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-18 11:44:57 +01:00
2020-10-17 11:18:18 -07:00
2023-01-14 10:15:20 +01:00
2023-01-14 10:16:53 +01:00

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.
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