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For CL37 1000BASE-X AN, DW xPCS does not support C22 method but offers
C45 vendor-specific MII MMD for programming.
We also add the ability to disable Autoneg (through ethtool for certain
network switch that supports 1000BASE-X (1000Mbps and Full-Duplex) but
not Autoneg capability.
v4: Fixes to comment from Russell King. Thanks!
https://patchwork.kernel.org/comment/24894239/
Make xpcs_modify_changed() as private, change to use
mdiodev_modify_changed() for cleaner code.
v3: Fixes to issues spotted by Russell King. Thanks!
https://patchwork.kernel.org/comment/24890210/
Use phylink_mii_c22_pcs_decode_state(), remove unnecessary
interrupt clearing and skip speed & duplex setting if AN
is enabled.
v2: Fixes to issues spotted by Russell King in v1. Thanks!
https://patchwork.kernel.org/comment/24826650/
Use phylink_mii_c22_pcs_encode_advertisement() and implement
C45 MII ADV handling since IP only support C45 access.
Tested-by: Emilio Riva <emilio.riva@ericsson.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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.