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

Dinh Nguyen
2016-03-10T16:47:58Z

On Thu, Mar 10, 2016 at 3:13 AM, Giuseppe CAVALLARO
<peppe.cavallaro@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@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