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bda2127827
Getting address and size cells for dma-ranges/ranges parsing is tricky and shouldn't rely on the node's count_cells() method. The function starts looking for cells on the parent node, as its supposed to work with device nodes, which doesn't work when input with bus nodes, as generally done when parsing ranges. Add test to catch regressions on that specific quirk as developers will be tempted to edit it out in favor of the default method. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Link: https://lore.kernel.org/r/9200970a917a9cabdc5b17483b5a8725111eb9d0.camel@suse.de Signed-off-by: Rob Herring <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 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.