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Since commitbcf3440c6d("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") the networking is broken on boards: am571x-idk am572x-idk am574x-idk am57xx-beagle-x15 All above boards have phy-mode = "rgmii" and this is worked before because KSZ9031 PHY started with default RGMII internal delays configuration (TX off, RX on 1.2 ns) and MAC provided TX delay. After above commit, the KSZ9031 PHY starts handling phy mode properly and disables RX delay, as result networking is become broken. Fix it by switching to phy-mode = "rgmii-rxid" to reflect previous behavior. Cc: Oleksij Rempel <o.rempel@pengutronix.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Philippe Schenker <philippe.schenker@toradex.com> Fixes:bcf3440c6d("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") Reviewed-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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 Restructured Text 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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