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e27b393912
This commit adds new event to notify event of phy packet with time stamp field. Unlike the fw_cdev_event_request3 and fw_cdev_event_response2, the size of new structure, fw_cdev_event_phy_packet2, is multiples of 8, thus padding is not required to keep the same size between System V ABI for different architectures. It is noticeable that for the case of ping request 1394 OHCI controller does not record the isochronous cycle at which the packet was sent for the request subaction. Instead, it records round-trip count measured by hardware at 42.195 MHz resolution. Cc: kunit-dev@googlegroups.com Link: https://lore.kernel.org/r/20230529113406.986289-12-o-takashi@sakamocchi.jp Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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.