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Florian Fainelli says: ==================== net: dsa: Plug in PHYLINK support This patch series adds PHYLINK support to DSA which is necessary to support more complex PHY and pluggable modules setups. Patch series can be found here: https://github.com/ffainelli/linux/commits/dsa-phylink-v2 This was tested on: - dsa-loop - bcm_sf2 - mv88e6xxx - b53 With a variety of test cases: - internal & external MDIO PHYs - MoCA with link notification through interrupt/MMIO register - built-in PHYs - ifconfig up/down for several cycles works - bind/unbind of the drivers Changes in v2: - fixed link configuration for mv88e6xxx (Andrew) after introducing polling This is technically v2 of what was posted back in March 2018, changes from last time: - fixed probe/remove of drivers - fixed missing gpiod_put() for link GPIOs - fixed polling of link GPIOs (Russell I would need your SoB on the patch you provided offline initially, added some modifications to it) - tested across a wider set of platforms And everything should still work as expected. Please be aware of the following: - switch drivers (like bcm_sf2) which may have user-facing network ports using fixed links would need to implement phylink_mac_ops to remain functional. PHYLINK does not create a phy_device for fixed links, therefore our call to adjust_link() from phylink_mac_link_{up,down} would not be calling into the driver. This *should not* affect CPU/DSA ports which are configured through adjust_link() but have no network devices - support for SFP/SFF is now possible, but switch drivers will still need some modifications to properly support those, including, but not limited to using the correct binding information. This will be submitted on top of this series Please do test on your respective platforms/switches and let me know if you find any issues, hopefully everything still works like before. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.