[PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

[Dinh Nguyen]

On Mon, Mar 7, 2016 at 11:15 AM, Andreas Färber <afaerber at suse.de> wrote:
> Am 07.03.2016 um 16:52 schrieb Giuseppe CAVALLARO:
>> On 3/7/2016 4:46 PM, Andreas Färber wrote:
>>> Am 07.03.2016 um 16:09 schrieb Giuseppe CAVALLARO:
>>>> On 3/7/2016 3:27 PM, Andreas Färber wrote:
>>>>> Indeed, reverting Gabriel's commit fixes the observed error messages
>>> [...]
>>>>> However, I am unable to ping any hosts on the network now.
>>>>
>>>> hmm, this could be another problem. I wonder if you can
>>>> check which recent patch is introducing the problem on ARM64.
>>>> For example if this depends on Oct_2015 update.
>>>
>>> I've had success reverting drivers/net/ethernet/stmicro/ up to and
>>> including "stmmac: first frame prep at the end of xmit routine", i.e.
>>> top 7 commits.
>>
>> Andreas, I will check it and let you know asap.
>
> I verified that it's just these two commits that I need to revert:
>
> "stmmac: Fix 'eth0: No PHY found' regression"
> "stmmac: first frame prep at the end of xmit routine"
>
> Those in between don't cause conflicts and seem to work okay.
>

I'm seeing the same issue on the SoCFPGA platform:

libphy: PHY stmmac-0:ffffffff not found
eth0: Could not attach to PHY
stmmac_open: Cannot attach to PHY (error: -19)

If I just revert:

 "stmmac: Fix 'eth0: No PHY found' regression"

then the issue goes away.

Thanks,
Dinh