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SubjectRe: [PATCH net-next 09/13] net: mvpp2: dynamic reconfiguration of the PHY mode
On Thu, Aug 24, 2017 at 07:45:19PM +0200, Andrew Lunn wrote:
> > The 88x3310 driver in the kernel knows about these combinations and
> > sets the phy interface parameter correctly depending on whether the
> > PHY has configured itself for copper at whatever speed or SFP+.
> So when the PHY decides to swap from copper to fibre etc, is the
> phylib state machine kept up to date. Does it see a down, followed by
> an up?

I'd have to re-check to make sure, but I believe it does, because the
negotiation is held off on the "other" media until the currently active
link has gone down.

RMK's Patch system:
FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
According to 8.21Mbps down 510kbps up

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