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The depth of the FIFO of the Cadence I2C controller IP is a synthesis configuration parameter. Different instances of the IP can have different values. For correct operation software needs to be aware of the size of the FIFO. Add the documentation for the devicetree property that describes the FIFO depth of the IP core. The default value of 16 is for backwards compatibility reasons with existing hardware descriptions where this property is not specified and software has assumed that the FIFO depth is 16. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Michal Simek <michal.simek@amd.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org> |
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| README | ||
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.