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f7c9c97c2d
The BRCM PCIe block has controls to enable control of the CLKREQ# signal by the L1SS, and to gate the refclk with the CLKREQ# input. These controls are mutually exclusive - the upstream code sets the latter, but some use cases require the former. Add a Device Tree property - brcm,enable-l1ss - to switch to the L1SS configuration. Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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.