Re: [PATCH v2] arm64: dts: msm8996: Use dwc3-qcom glue driver for USB

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Hi,

Pierre LE MAGOUROU <plemagourou@xxxxxxxxxxxxxxxxxxxx> writes:
>> > I have a branch that's based on 4.17. You can pick that.
>> > https://github.com/vivekgautam1/linux/commits/v4.17/db820c
>> >
>>
>> Thanks a lot,
>> I will test this branch.
>>
>>
> I just tested USB gadget with this branch on the db820c.
>
> If I activate a USB composite gadget device with EEM function, I can see
> the 'usb0' Ethernet interfaces on the device and on the host and I can ping
> the db820c from the host.
> When I create a USB composite gadget device with UAC2 function, I can see
> the audio cards on host and device but cannot play or record any sound.
>
> While looking at dwc3 traces with Ftrace, I noticed that the dwc3 driver is
> stuck on wait_event_lock_irq() in dwc3_gadget_ep_dequeue() function when I
> use UAC2 gadget.

can you share tracepoint data?

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