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In DAI ops, accesses to the native cluster (of the DAI), and to data of clusters related to it by a DPCM frontend-backend link, should have been synchronized by the 'pcm_mutex' lock at ASoC level. What is not covered are the 'port_driver' accesses on foreign clusters to which the current cluster has no a priori relation, so fill in locking for that. (This should only matter in bizarre configurations of sharing one MCA peripheral between ASoC cards.) Signed-off-by: Martin Povišer <povik+lin@cutebit.org> Link: https://lore.kernel.org/r/20220824160715.95779-5-povik+lin@cutebit.org Signed-off-by: Mark Brown <broonie@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 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.