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Geraldo Nascimento 22e29e843c PCI: rockchip: Set Target Link Speed to 5.0 GT/s before retraining 
[ Upstream commit 114b06ee10 ]

Rockchip controllers can support up to 5.0 GT/s link speed. But the driver
doesn't set the Target Link Speed currently. This may cause failure in
retraining the link to 5.0 GT/s if supported by the endpoint. So set the
Target Link Speed to 5.0 GT/s in the Link Control and Status Register 2.

Fixes: e77f847df5 ("PCI: rockchip: Add Rockchip PCIe controller support")
Signed-off-by: Geraldo Nascimento <geraldogabriel@gmail.com>
[mani: fixed whitespace warning, commit message rewording, added fixes tag]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/0afa6bc47b7f50e2e81b0b47d51c66feb0fb565f.1751322015.git.geraldogabriel@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-08-28 16:31:07 +02:00
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README

README 

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.