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0e0b45ab5d
Most boards using the pcie-dw-rockchip PCIe controller lack standard
hotplug support.
Thus, when an endpoint is attached to the SoC, users have to rescan the bus
manually to enumerate the device. This can be avoided by using the
'dll_link_up' interrupt in the combined system interrupt 'sys'.
Once the 'dll_link_up' IRQ is received, the bus underneath the host bridge
is scanned to enumerate PCIe endpoint devices.
This implements the same functionality that was implemented in the DWC
based pcie-qcom driver in
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| 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.