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19a69cbd9dCurrently, the dw_pcie::max_link_speed has a valid value only if the controller driver restricts the maximum link speed in the driver or if the platform does so in the devicetree using the 'max-link-speed' property. But having the maximum supported link speed of the platform would be helpful for the vendor drivers to configure any link specific settings. So in the case of non-valid value in dw_pcie::max_link_speed, just cache the hardware default value from Link Capability register. While at it, remove the 'max_link_speed' argument to the dw_pcie_link_set_max_speed() function since the value can be retrieved within the function. Link: https://lore.kernel.org/linux-pci/20240911-pci-qcom-gen4-stability-v7-2-743f5c1fd027@linaro.org Tested-by: Johan Hovold <johan+linaro@kernel.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> [kwilczynski: commit log] Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Johan Hovold <johan+linaro@kernel.org> |
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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.