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210e9f56e9
USB4 1.0 section 6.4.2.7 specifies a new field (PG) in notification packet that is sent as response of hot plug/unplug events. This field tells whether the acknowledgment is for plug or unplug event. This needs to be set accordingly in order the router to send further hot plug notifications. To make it simpler we fill the field unconditionally. Legacy devices do not look at this field so there should be no problems with them. While there rename tb_cfg_error() to tb_cfg_ack_plug() and update the log message accordingly. The function is only used to ack plug/unplug events. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Link: https://lore.kernel.org/r/20191217123345.31850-4-mika.westerberg@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.
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.