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da7c19384d
This adds a standalone driver to support PCIe hotplug functionality merely based on a GPIO indicating the status of a downstream device connectivity. It looks for "hotplug-gpios" property in the corresponding device node to get the GPIO information. It also provides a mechanism for platform drivers of the controllers to register ops to perform any platform specific operations while enabling/disabling the slots. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Link: https://patchwork.kernel.org/project/linux-pci/patch/20220930192747.21471-3-vidyas@nvidia.com/ Change-Id: Iafa798ee4d98f195f5d33d80120da0c569132548
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.