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[ Upstream commitf5297a01ee] "pcie_retrain_link" is not a question with a true/false answer, so "bool" isn't quite the right return type. Return 0 for success or -ETIMEDOUT if the retrain failed. No functional change intended. [bhelgaas: based on Ilpo's patch below] Link: https://lore.kernel.org/r/20230502083923.34562-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Stable-dep-of:e7e3975636("PCI/ASPM: Avoid link retraining race") Signed-off-by: Sasha Levin <sashal@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 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.