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The i.MX Messaging Unit is a two side block which allows applications implement communication over this sides. The MU includes the following features: - Messaging control by interrupts or by polling - Four general-purpose interrupt requests reflected to the other side - Three general-purpose flags reflected to the other side - Four receive registers with maskable interrupt - Four transmit registers with maskable interrupt Reviewed-by: Vladimir Zapolskiy <vz@mleia.com> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.