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64ee3cf096
With warnings added for deprecated #address-cells/#size-cells handling, the DT address handling code causes warnings when used on nodes with no address. This happens frequently with calls to of_platform_populate() as it is perfectly acceptable to have devices without a 'reg' property. The desired behavior is to just silently return an error when retrieving an address. The warnings can be avoided by checking for "#address-cells" presence first and checking for an address property before fetching "#address-cells" and "#size-cells". Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Reported-by: Steven Price <steven.price@arm.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20241108193547.2647986-2-robh@kernel.org 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.