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5ca61dffc7
The clock related code concerns me from the very beginning because there are some set ups got from legacy driver that are not documented anywhere. According to the programming guide 0x7c is 'CPE_ROSC_SEL1' register and 0x80 is 'CPU_CPE_CN'. I do think this set up is not needed at all and the proper thing to do is just enable the clock bit for each pcie port. Hence remove useless code and do the right thing which is setting up the clock bit for each port enabled. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20200310113459.30539-1-sergio.paracuellos@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.