Messages in this thread | | | Date | Mon, 27 Jan 2020 14:08:34 +0000 | From | Russell King - ARM Linux admin <> | Subject | Re: [RFC net-next 6/8] net: phylink: Configure MAC/PCS when link is up without PHY |
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On Mon, Jan 27, 2020 at 03:00:38PM +0100, Andrew Lunn wrote: > > Yes, I realise that, but it comes with the expense of potentially > > breaking mvneta and mvpp2, where the settings are automatically > > passed between the PCS and MAC in hardware. I also believe DSA > > works around this, and I need to look at that. > > Hi Russell > > The mv88e6xxx driver has code for when SGMII is used. It transfers the > negotiated speed from the PCS to the MAC. > > But it recently turned out something like this is also needed for > other link modes involving the SERDES. It used to work, i think > because Phylink would initially configure the MAC approximately right, > or the mv88e6xxx driver was looking at phylink state it should not. > But it no longer works.
Can you give a hint which platform this is and how to reproduce it please?
-- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up
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