High CPU load produced by USB (DW2)

Marek Vasut marek.vasut at gmail.com
Mon Mar 5 09:37:52 PST 2018

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 ?

Best regards,
Marek Vasut
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