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The "poll worker" that is introduced here is first used for checking partner alternate modes, but it can later be used for any partner task that requires a separate job to be scheduled to the connector specific workqueues. The mechanism allows the partner device specific tasks to be polling tasks and also delayed tasks if necessary. By polling the partner alternate modes with this mechanism the long command completion timeout value can be reduced back to normal. The long command completion timeout was only used to work around a problem on some platforms where the EC firmware (PPM) didn't return BUSY even when it should with the alt mode commands. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20210920142419.54493-4-heikki.krogerus@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.