macb broken on HiFive Unleashed

[Emil Renner Berthing]

Hi Andreas

On Wed, 10 Mar 2021 at 20:55, Andreas Schwab <schwab at linux-m68k.org> wrote:
> On Mär 09 2021, Claudiu.Beznea at microchip.com wrote:
> > I don't have a SiFive HiFive Unleashed to investigate this. Can you check
> > if reverting commits on macb driver b/w 5.10 and 5.11 solves your issues:
> >
> > git log --oneline v5.10..v5.11 -- drivers/net/ethernet/cadence/
> > 1d0d561ad1d7 net: macb: Correct usage of MACB_CAPS_CLK_HW_CHG flag
> > 1d608d2e0d51 Revert "macb: support the two tx descriptors on at91rm9200"
> > 700d566e8171 net: macb: add support for sama7g5 emac interface
> > ec771de654e4 net: macb: add support for sama7g5 gem interface
> > f4de93f03ed8 net: macb: unprepare clocks in case of failure
> > 38493da4e6a8 net: macb: add function to disable all macb clocks
> > daafa1d33cc9 net: macb: add capability to not set the clock rate
> > edac63861db7 net: macb: add userio bits as platform configuration
> > 9e6cad531c9d net: macb: Fix passing zero to 'PTR_ERR'
> > 0012eeb370f8 net: macb: fix NULL dereference due to no pcs_config method
> > e4e143e26ce8 net: macb: add support for high speed interface
>
> Unfortunately, that didn't help.

Sorry, for being late to test this, but I just compiled and booted
5.11.6 and ethernet works just fine for me:
https://esmil.dk/hfu-5.11.6.txt

As you can see I haven't updated OpenSBI or u-boot in a while, don't
know if that makes a difference. You can fetch the config is used
here:
https://esmil.dk/hfu-5.11.6.config

/Emil