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5cbb80d523
Since commitbcf3440c6d("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") the networking is broken on the imx7d-zii-rmu2 board. The end result is that network receive behaviour is marginal with lots of RX CRC errors experienced and NFS frequently failing. Quoting the explanation from Andrew Lunn in commit0672d22a19("ARM: dts: imx: Fix the AR803X phy-mode"): "The problem here is, all the DTs were broken since day 0. However, because the PHY driver was also broken, nobody noticed and it worked. Now that the PHY driver has been fixed, all the bugs in the DTs now become an issue" Fix it by switching to phy-mode = "rgmii-id". Fixes:bcf3440c6d("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") Signed-off-by: Chris Healy <cphealy@gmail.com> Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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.