linux-kernel - [PATCH v1 net-next 0/3] update seville to use shared mdio driver

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Date:   Fri, 19 Nov 2021 13:39:15 -0800
From:   Colin Foster <colin.foster@...advantage.com>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Cc:     Vladimir Oltean <vladimir.oltean@....com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Subject: [PATCH v1 net-next 0/3] update seville to use shared mdio driver

The Seville driver uses indirect MDIO access by way of
MSCC_MIIM_CMD_* macros. This is duplicate behavior of
drivers/net/mdio/mdio-mscc-miim.c, which achieves the same thing. The
main difference being that Seville uses regmap by way of the ocelot
driver, whereas mdio-mscc-miim uses __iomem. 

This patch set converts mdio-mscc-miim to regmap, exposes an API, and
hooks Seville into this common driver by way of mscc_miim_setup.

Colin Foster (3):
  net: mdio: mscc-miim: convert to a regmap implementation
  net: dsa: ocelot: seville: utilize of_mdiobus_register
  net: dsa: ocelot: felix: switch to mdio-mscc-miim driver for indirect
    mdio access

 drivers/net/dsa/ocelot/Kconfig           |   1 +
 drivers/net/dsa/ocelot/Makefile          |   1 +
 drivers/net/dsa/ocelot/felix_mdio.c      |  54 ++++++++
 drivers/net/dsa/ocelot/felix_mdio.h      |  13 ++
 drivers/net/dsa/ocelot/seville_vsc9953.c | 107 ++-------------
 drivers/net/mdio/mdio-mscc-miim.c        | 167 +++++++++++++++++------
 include/linux/mdio/mdio-mscc-miim.h      |  19 +++
 include/soc/mscc/ocelot.h                |   1 +
 8 files changed, 220 insertions(+), 143 deletions(-)
 create mode 100644 drivers/net/dsa/ocelot/felix_mdio.c
 create mode 100644 drivers/net/dsa/ocelot/felix_mdio.h
 create mode 100644 include/linux/mdio/mdio-mscc-miim.h

-- 
2.25.1