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d23f0c11ac
The current Layerscape PCIe driver directly uses the physical layer LTSSM code to check the link-up state, which treats the > L0 states as link-up. This is not correct, since there is not explicit map between link-up state and LTSSM. So this patch changes to use the DWC common link-up check function. Link: https://lore.kernel.org/r/20211224094000.8513-1-Zhiqiang.Hou@nxp.com Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Rob Herring <robh@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.