netdev - [PATCH net-next v1 0/3] net: phy: micrel: add extended PHY support for KSZ9477-class devices

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Message-Id: <20250610091354.4060454-1-o.rempel@pengutronix.de>
Date: Tue, 10 Jun 2025 11:13:51 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	Russell King <linux@...linux.org.uk>,
	netdev@...r.kernel.org
Subject: [PATCH net-next v1 0/3] net: phy: micrel: add extended PHY support for KSZ9477-class devices

Hi all,

This patch series extends the PHY driver support for the Microchip
KSZ9477-class switch-integrated PHYs. These changes enhance ethtool
functionality and diagnostic capabilities by implementing the following
features:
- MDI/MDI-X configuration support
  All crossover modes (auto, MDI, MDI-X) are now configurable.

- RX error counter reporting
  The RXER counter (reg 0x15) is now accumulated and exported via
ethtool stats.

- Cable test support
  Reuses the KSZ9131 implementation to enable open/short fault
detection and approximate fault length reporting.

Oleksij Rempel (3):
  net: phy: micrel: add MDI/MDI-X control support for KSZ9477
    switch-integrated PHYs
  net: phy: micrel: Add RX error counter support for KSZ9477
    switch-integrated PHYs
  net: phy: micrel: add cable test support for KSZ9477-class PHYs

 drivers/net/phy/micrel.c | 111 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 109 insertions(+), 2 deletions(-)

--
2.39.5