On Fri, 30 Oct 2020 01:02:47 +0100 Andrew Lunn wrote:
> On Wed, Oct 28, 2020 at 03:22:32PM +1000, Greg Ungerer wrote:
> > Some (apparently older) versions of the FEC hardware block do not like
> > the MMFR register being cleared to avoid generation of MII events at
> > initialization time. The action of clearing this register results in no
> > future MII events being generated at all on the problem block. This means
> > the probing of the MDIO bus will find no PHYs.
> >
> > Create a quirk that can be checked at the FECs MII init time so that
> > the right thing is done. The quirk is set as appropriate for the FEC
> > hardware blocks that are known to need this.
> >
> > Fixes: f166f890c8f0 ("net: ethernet: fec: Replace interrupt driven MDIO
> > with polled IO")
> > Signed-off-by: Greg Ungerer <g...@linux-m68k.org>
>
> Tested-by: Andrew Lunn <and...@lunn.ch>
>
> I tested this on Vybrid, which is not the best of platforms, since i
> never had any of these problems on this platform.
>
> Jakub, this is for net.
Applied, thanks everyone!
