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Date:   Tue, 21 Jul 2020 15:47:29 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next 00/14] Phylink PCS updates

From: Russell King - ARM Linux admin <>
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.

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