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PLLs are the source clocks for the DDIs so in order to determine the ddi clock we need to check the PLL configuration. For MG PHy Ports (C - F), depending on whether it is a TBT PLL or MG PLL the link lock can be obtained from the the PLL divisors based on the specification. v2 (from Paulo): * Make the algorithm look more like what's in the spec, also document where we differ form the spec and why. * Make the code a little more consistent with our coding style. Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180817215209.29133-2-paulo.r.zanoni@intel.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.