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Jakub Kicinski
08ad4839ce
Martin Blumenstingl says: ==================== net: dsa: lantiq_gswip: two fixes for -net/-stable While testing the lantiq_gswip driver in OpenWrt at least one board had a non-working Ethernet port connected to an internal 100Mbit/s PHY22F GPHY. The problem which could be observed: - the PHY would detect the link just fine - ethtool stats would see the TX counter rise - the RX counter in ethtool was stuck at zero It turns out that two independent patches are needed to fix this: - first we need to enable the MII data lines also for internal PHYs - second we need to program the GSWIP_MII_CFG registers for all ports except the CPU port These two patches have also been tested by back-porting them on top of Linux 5.4.86 in OpenWrt. Special thanks to Hauke for debugging and brainstorming this on IRC with me! ==================== Link: https://lore.kernel.org/r/20210103012544.3259029-1-martin.blumenstingl@googlemail.com Signed-off-by: Jakub Kicinski <kuba@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.