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

Dinh Nguyen dinh.linux at gmail.com
Thu Mar 10 08:47:45 PST 2016


On Thu, Mar 10, 2016 at 3:13 AM, Giuseppe CAVALLARO
<peppe.cavallaro at st.com> wrote:
> On 3/9/2016 5:31 PM, Dinh Nguyen wrote:
>>
>> On Wed, Mar 9, 2016 at 8:53 AM, Giuseppe CAVALLARO
>> <peppe.cavallaro at st.com> wrote:
>>>
>>> Hi Tomeu, Dinh, Andreas
>>>
>>> I need a sum and help from you to go ahead on the
>>> tx timeout.
>>>
>>> The "stmmac: MDIO fixes" seems to be the candidate to
>>> fix the phy connection and I will send the V2 asap (Andreas' comment).
>>>
>>> So, supposing the probe is ok and phy is connected,
>>> I need your input ...
>>>
>>>   Tomeu: after revering the 0e80bdc9a72d (stmmac: first frame
>>>          prep at the end of xmit routine) the network is
>>>          not stable and there is a timeout after a while.
>>>          The box has 3.50 with normal desc settings.
>>>
>>>   Dinh: the network is ok, I wonder if you can share a boot
>>>         log just to understand if the normal or enhanced
>>>         descriptors are used.
>>>
>>
>> Here it is:
>
> ...
>>
>> [    0.850523] stmmac - user ID: 0x10, Synopsys ID: 0x37
>> [    0.855570]  Ring mode enabled
>> [    0.858611]  DMA HW capability register supported
>> [    0.863128]  Enhanced/Alternate descriptors
>> [    0.867482]  Enabled extended descriptors
>> [    0.871482]  RX Checksum Offload Engine supported (type 2)
>> [    0.876948]  TX Checksum insertion supported
>> [    0.881204]  Enable RX Mitigation via HW Watchdog Timer
>> [    0.886863] socfpga-dwmac ff702000.ethernet eth0: No MDIO subnode found
>> [    0.899090] libphy: stmmac: probed
>> [    0.902484] eth0: PHY ID 00221611 at 4 IRQ POLL (stmmac-0:04) active
>
>
> Thx Dinh, so you are using the Enhanced/Alternate descriptors
> I am debugging on my side on a setup with normal descriptors, I let you
> know
>

Doesn't the printout "Enhanced/Alternate descriptors"  mean that I'm using
Enhanced/Alternate descriptors?

Dinh



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