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5a02413a45
PCI_ScanBusForNonBridge() has two loops, one to search for non-bridges and a second to look for bridges. The second loop has hints in a debug print it should do recursion for buses underneath the bridge, but no recursion is attempted. Since the second loop is quite useless in its current form, just eliminate it. This code hasn't been touched for very long time so either it's unused or the missing parts are not important enough for anyone to attempt to add them. Leave only a warning print and comment about the missing recursion for the unlikely case that somebody comes across the lack of functionality. In any case, search whether an endpoint exists downstream of a bridge sounds generic enough to belong to core so if the functionality is to be extended it should probably be moved into PCI core. Link: https://lore.kernel.org/r/20241022091140.3504-5-ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 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 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.