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Bjorn Helgaas
ee8b1c478a
PCI Express Extended Capabilities are in config space between offsets 256 and 4K. These offsets all fit in 16 bits. Change the return type of pci_find_ext_capability() and supporting functions from int to u16 to match the specification. Many callers use "int", which is fine, but there's no need to store more than a u16. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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.