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[ Upstream commit 5a009fc1364170b240a4d351b345e69bb3728b3e ] DART has an additional global register to control which streams are isolated. This register is a bit redundant since DART_TCR can already be used to control isolation and is usually initialized to DART_STREAM_ALL by the time we get control. Some DARTs (namely the one used for the audio controller) however have some streams disabled initially. Make sure those work by initializing DART_STREAMS_ENABLE during reset. Reported-by: Martin Povišer <povik@protonmail.com> Signed-off-by: Sven Peter <sven@svenpeter.dev> Reviewed-by: Hector Martin <marcan@marcan.st> Link: https://lore.kernel.org/r/20211019162253.45919-1-sven@svenpeter.dev Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Sasha Levin <sashal@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.