From: Russell King - ARM Linux admin <li...@armlinux.org.uk> Date: Tue, 21 Jul 2020 12:01:52 +0100
> This series updates the rudimentary phylink PCS support with the > results of the last four months of development of that. Phylink > PCS support was initially added back at the end of March, when it > became clear that the current approach of treating everything at > the MAC end as being part of the MAC was inadequate. > > However, this rudimentary implementation was fine initially for > mvneta and similar, but in practice had a fair number of issues, > particularly when ethtool interfaces were used to change various > link properties. > > It became apparent that relying on the phylink_config structure for > the PCS was also bad when it became clear that the same PCS was used > in DSA drivers as well as in NXPs other offerings, and there was a > desire to re-use that code. > > It also became apparent that splitting the "configuration" step on > an interface mode configuration between the MAC and PCS using just > mac_config() and pcs_config() methods was not sufficient for some > setups, as the MAC needed to be "taken down" prior to making changes, > and once all settings were complete, the MAC could only then be > resumed. > > This series addresses these points, progressing PCS support, and > has been developed with mvneta and DPAA2 setups, with work on both > those drivers to prove this approach. It has been rigorously tested > with mvneta, as that provides the most flexibility for testing the > various code paths. ... Series applied, thank you.
