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The device firmware reports PTP clock capabilities to each PF during initialization. This includes various information for both the overall device and the individual function, including For functions: * whether this function has timesync enabled * whether this function owns one of the 2 possible clock timers, and which one * which timer the function is associated with * the clock frequency, if the device supports multiple clock frequencies * The GPIO pin association for the timer owned by this PF, if any For the device: * Which PF owns timer 0, if any * Which PF owns timer 1, if any * whether timer 0 is enabled * whether timer 1 is enabled Extract the bits from the capabilities information reported by firmware and store them in the device and function capability structures.o This information will be used in a future change to have the function driver enable PTP hardware clock support. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
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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 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.