High CPU load produced by USB (DW2)

[Minas Harutyunyan]

Hi,

On 3/5/2018 11:14 PM, Marek Vasut wrote:
> On 02/20/2018 06:51 AM, Minas Harutyunyan wrote:
> [...]
>>>>> Is there a way to reduce that or is that the absolute minimum in HS mode?
>>>>>
>>>> We already discussed, in this email thread earlier, why SOF interrupts
>>>> required and unmasked.
>>>> Only in case when connected device with CTRL+BLK EP's only (like flash
>>>> drive) and directly connected to cores root HUB, SOF's will be masked.
>>>
>>> That's the setup I have on Altera SoCFPGA, yet the SOFs are still present.
>>>
>> Could you please send verbose lsusb on connected to dwc2 device
> 
> See attached
> 
>> and driver debug log.
> 
> What exactly do you mean by this one ?
Enable debugging messages and verbose debugging messages for dwc2 from 
make menuconfig. Provide dmesg starting from dwc2 load till HS device 
connected to dwc2 port and enumerated.

Thanks,
Minas

>