netdev - [PATCH net-next 0/4] net: phy: broadcom: cable tester support

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Message-Id: <20200509223714.30855-1-michael@walle.cc>
Date:   Sun, 10 May 2020 00:37:10 +0200
From:   Michael Walle <michael@...le.cc>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH net-next 0/4] net: phy: broadcom: cable tester support

Add cable tester support for the Broadcom PHYs. Support for it was
developed on a BCM54140 Quad PHY which RDB register access.

If there is a link partner the results are not as good as with an open
cable. I guess we could retry if the measurement until all pairs had at
least one valid result.

Please note that this patch depends on Andrew's latest cable testing
series:
https://lore.kernel.org/netdev/20200509162851.362346-1-andrew@lunn.ch/

Michael Walle (4):
  net: phy: broadcom: add exp register access methods without buslock
  net: phy: broadcom: add bcm_phy_modify_exp()
  net: phy: broadcom: add cable test support
  net: phy: bcm54140: add cable diagnostics support

 drivers/net/phy/bcm-phy-lib.c | 264 +++++++++++++++++++++++++++++++++-
 drivers/net/phy/bcm-phy-lib.h |  10 ++
 drivers/net/phy/bcm54140.c    |   2 +
 include/linux/brcmphy.h       |  52 +++++++
 4 files changed, 321 insertions(+), 7 deletions(-)

-- 
2.20.1