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e03a5d3e95
The media-controller core (__media_entity_setup_link()) already checks that the pads of the link are not streaming before calling the setup_link() pad-op so calling atomisp_pipe_check() is not necessary; and taking isp->mutex inside the setup_link() pad-op leads to a possible ABBA deadlock vs the media-device graph_mutex which in the case of the setup_link() pad-op is taken before calling the op, while in other scenarios the graph_mutex is taken after the isp->mutex. Reviewed-by: Andy Shevchenko <andy@kernel.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.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 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.