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Date:   Tue, 17 Mar 2020 14:49:06 +0000
From:   Russell King - ARM Linux admin <>
To:     Andrew Lunn <>,
        Florian Fainelli <>,
        Heiner Kallweit <>
Cc:     "David S. Miller" <>,
Subject: [PATCH v2 net-next 0/4] net: add phylink support for PCS

This series adds support for IEEE 802.3 register set compliant PCS
for phylink.  In order to do this, we:

1. convert BUG_ON() in existing accessors to WARN_ON_ONCE() and return
   an error.
2. add accessors for modifying a MDIO device register, and use them in
   phylib, rather than duplicating the code from phylib.
3. add support for decoding the advertisement from clause 22 compatible
   register sets for clause 37 advertisements and SGMII advertisements.
4. add support for clause 45 register sets for 10GBASE-R PCS.

These have been tested on the LX2160A Clearfog-CX platform.

v2: eliminate use of BUG_ON() in the accessors.

 drivers/net/phy/mdio_bus.c |  68 ++++++++++++-
 drivers/net/phy/phy-core.c |  31 ------
 drivers/net/phy/phylink.c  | 236 +++++++++++++++++++++++++++++++++++++++++++++
 include/linux/mdio.h       |   4 +
 include/linux/phy.h        |  19 ++++
 include/linux/phylink.h    |   8 ++
 include/uapi/linux/mii.h   |   5 +
 7 files changed, 336 insertions(+), 35 deletions(-)

RMK's Patch system:
FTTC broadband for 0.8mile line in suburbia: sync at 10.2Mbps down 587kbps up

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