Oleksij Rempel ee86812717 net: phy: micrel: add MDI/MDI-X control support for KSZ9477 switch-integrated PHYs
Add MDI/MDI-X configuration support for PHYs integrated in the KSZ9477
family of Ethernet switches.

All MDI/MDI-X configuration modes are supported:
  - Automatic MDI/MDI-X (ETH_TP_MDI_AUTO)
  - Forced MDI (ETH_TP_MDI)
  - Forced MDI-X (ETH_TP_MDI_X)

However, when operating in automatic mode, the PHY does not expose the
resolved crossover status (i.e., whether MDI or MDI-X is active).
Therefore, in auto mode, the driver reports ETH_TP_MDI_INVALID as
the current status.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250610091354.4060454-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-11 17:37:48 -07:00
2025-06-11 16:41:53 -07:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2024-03-18 03:36:32 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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