netdev - [RFC PATCH v2 net-next 0/9] Convert xpcs to phylink_pcs

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Date:   Tue,  1 Jun 2021 03:33:16 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Cc:     Wong Vee Khee <vee.khee.wong@...ux.intel.com>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: [RFC PATCH v2 net-next 0/9] Convert xpcs to phylink_pcs_ops

From: Vladimir Oltean <vladimir.oltean@....com>

This patch series is partially tested (some code paths have been covered
on the NXP SJA1105) but since I don't have stmmac hardware, it would
still be appreciated if people from Intel could give this another run.

Background: the sja1105 DSA driver currently drives a Designware XPCS
for SGMII and 2500base-X, and it would be nice to reuse some code with
the xpcs module. This would also help consolidate the phylink_pcs_ops,
since the only other dedicated PCS driver, currently, is the lynx_pcs.

Therefore, this series makes the xpcs expose the same kind of API that
the lynx_pcs module does. The main changes are getting rid of struct
mdio_xpcs_ops, being compatible with struct phylink_pcs_ops and being
less reliant on the phy_interface_t passed to xpcs_probe (now renamed to
xpcs_create).

Vladimir Oltean (9):
  net: pcs: xpcs: delete shim definition for mdio_xpcs_get_ops()
  net: pcs: xpcs: there is only one PHY ID
  net: pcs: xpcs: make the checks related to the PHY interface mode
    stateless
  net: pcs: xpcs: export xpcs_validate
  net: pcs: xpcs: export xpcs_config_eee
  net: pcs: xpcs: export xpcs_probe
  net: pcs: xpcs: use mdiobus_c45_addr in xpcs_{read,write}
  net: pcs: xpcs: convert to mdio_device
  net: pcs: xpcs: convert to phylink_pcs_ops

 drivers/net/ethernet/stmicro/stmmac/common.h  |   3 +-
 drivers/net/ethernet/stmicro/stmmac/hwif.h    |  14 -
 .../ethernet/stmicro/stmmac/stmmac_ethtool.c  |  12 +-
 .../net/ethernet/stmicro/stmmac/stmmac_main.c |  44 +--
 .../net/ethernet/stmicro/stmmac/stmmac_mdio.c |  47 ++-
 drivers/net/pcs/pcs-xpcs.c                    | 371 ++++++++++++------
 include/linux/pcs/pcs-xpcs.h                  |  40 +-
 7 files changed, 306 insertions(+), 225 deletions(-)

-- 
2.25.1