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1a75e81baf
Intermediate DT PCI nodes dynamically generated by enabling CONFIG_PCI_DYNAMIC_OF_NODES have empty dma-ranges property. PCI address specifiers have 3 cells and when dma-ranges is missing or empty, of_translate_one() is currently dropping the flag portion of PCI addresses which are subnodes of the aforementioned ones, failing the translation. Add new tests covering this case. With this test, we get 1 new failure which is fixed in subsequent commit: FAIL of_unittest_pci_empty_dma_ranges():1245 for_each_of_pci_range wrong CPU addr (ffffffffffffffff) on node /testcase-data/address-tests2/pcie@d1070000/pci@0,0/dev@0,0/local-bus@0 Signed-off-by: Andrea della Porta <andrea.porta@suse.com> Link: https://lore.kernel.org/r/08f8fee4fdc0379240fda2f4a0e6f11ebf9647a8.1732441813.git.andrea.porta@suse.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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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.