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d8c8a575f5
It is a requirement that DT overlays in the kernel are applied at build time to a base DTB in order to validate they can be applied and to validate them against the DT schemas. DT overlays on their own may be incomplete and can't be validated. Add a kbuild check so this doesn't have to be checked and fixed periodically. Signed-off-by: Rob Herring (Arm) <robh@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.