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Ziyi Guo 6702700ad9 net: mscc: ocelot: split xmit into FDMA and register injection paths 
[ Upstream commit 47f79b20e7 ]

Split ocelot_port_xmit() into two separate functions:
- ocelot_port_xmit_fdma(): handles the FDMA injection path
- ocelot_port_xmit_inj(): handles the register-based injection path

The top-level ocelot_port_xmit() now dispatches to the appropriate
function based on the ocelot_fdma_enabled static key.

This is a pure refactor with no behavioral change. Separating the two
code paths makes each one simpler and prepares for adding proper locking
to the register injection path without affecting the FDMA path.

Signed-off-by: Ziyi Guo <n7l8m4@u.northwestern.edu>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20260208225602.1339325-3-n7l8m4@u.northwestern.edu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: 026f6513c5 ("net: mscc: ocelot: add missing lock protection in ocelot_port_xmit_inj()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-03-04 07:20:36 -05:00
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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 reStructuredText 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.