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d6261f0b80
LAN937x series of switches support 2 step timestamping mechanism. There are timestamp correction calculation performed in ksz_rcv_timestamp and ksz_xmit_timestamp which are applicable only for p2p1step. To check whether the 2 step is enabled or not in tag_ksz.c introduced the helper function in taggger_data to query it from ksz_ptp.c. Based on whether 2 step is enabled or not, timestamp calculation are performed. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.