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c31bd5b6ff
Eric Woudstra says:
====================
rtl8226b/8221b add C45 instances and SerDes switching
Based on the comments in [PATCH net-next]
"Realtek RTL822x PHY rework to c45 and SerDes interface switching"
Adds SerDes switching interface between 2500base-x and sgmii for
rtl8221b and rtl8226b.
Add get_rate_matching() for rtl8226b and rtl8221b, reading the serdes
mode from phy.
Driver instances are added for rtl8226b and rtl8221b for Clause 45
access only. The existing code is not touched, they use newly added
functions. They also use the same rtl822xb_config_init() and
rtl822xb_get_rate_matching() as these functions also can be used for
direct Clause 45 access. Also Adds definition of MMC 31 registers,
which cannot be used through C45-over-C22, only when phydev->is_c45
is set.
Change rtlgen_get_speed() so the register value is passed as argument.
Using Clause 45 access, this value is retrieved differently.
Rename it to rtlgen_decode_speed() and add a call to it in
rtl822x_c45_read_status().
Add rtl822x_c45_get_features() to set supported port for rtl8221b.
Then 1 quirk is added for sfp modules known to have a rtl8221b
behind RollBall, Clause 45 only, protocol.
Changed in PATCH v4:
* Changed switch to if statement in rtl822xb_get_rate_matching()
* Removed setting ETHTOOL_LINK_MODE_MII_BIT in rtl822x_c45_get_features()
Changed in PATCH v3:
* Only apply to rtl8221b and rtl8226b phy's
* Set phydev->rate_matching in .config_init()
* Removed OEM SFP fixup for now, as there are modules with the same
vendor name/PN, but with different PHY's. We found rtl8221b, but
also the ty8821, which is not yet supported.
Changed in PATCH v2:
* Set author to Marek for the commit of the new C45 instances
* Separate commit for setting supported ports
* Renamed rtlgen_get_speed to rtlgen_decode_speed
* Always fill in possible interfaces
* Renamed sfp_fixup_oem_2_5g to sfp_fixup_oem_2_5gbaset
* Only update phydev->interface when link is up
Alexander Couzens (1):
net: phy: realtek: configure SerDes mode for rtl822xb PHYs
Eric Woudstra (3):
net: phy: realtek: add get_rate_matching() for rtl822xb PHYs
net: phy: realtek: Change rtlgen_get_speed() to rtlgen_decode_speed()
net: phy: realtek: add rtl822x_c45_get_features() to set supported
port
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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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.