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The ice driver has PTP support which works across a couple of different device families. The device families each have different PHY hardware which have unique requirements for programming. Today, there is E810-based hardware, and E822-based hardware. To handle this, the driver checks the ice_is_e810() function to separate between the two existing families of hardware. Future development is going to add new hardware designs which have further unique requirements. To make this easier, introduce a phy_model field to the HW structure. This field represents what PHY model the current device has, and is used to allow distinguishing which logic a particular device needs. This will make supporting future upcoming hardware easier, by providing an obvious place to initialize the PHY model, and by already using switch/case statements instead of the previous if statements. Astute reviewers may notice that there are a handful of remaining checks for ice_is_e810() left in ice_ptp.c These conflict with some other cleanup patches in development, and will be fixed in the near future. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@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.
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.