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79c731e20d
PCIe r6.0 added Flit mode, which mainly alters HW behavior, but there are some OS visible changes. The OS visible changes include differences in the layout of some capabilities and interpretation of the TLP headers (in diagnostics situations). To be able to determine which mode the PCIe Link is using, store the Flit Mode Status (PCIe r6.1 sec 7.5.3.20) information in addition to the Link speed into struct pci_bus in pcie_update_link_speed(). Link: https://lore.kernel.org/r/20250207161836.2755-2-ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> [bhelgaas: use unsigned int:1 instead of bool, update flit_mode setting] 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.