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a1b05634e1
Michael Chan says:
====================
bnxt_en: Add hardware PTP timestamping support on 575XX devices
Add PTP RX and TX hardware timestamp support on 575XX devices. These
devices use the two-step method to implement the IEEE-1588 timestamping
support.
v2: Add spinlock to serialize access to the timecounter.
Use .do_aux_work() for the periodic timer reading and to get the TX
timestamp from the firmware.
Propagate error code from ptp_clock_register().
Make the 64-bit timer access safe on 32-bit CPUs.
Read PHC using direct register access.
====================
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.