RE: Query: DWC3: Isoc ep_queue when xinprogress

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> From: Pratyush Anand [mailto:pratyush.anand@xxxxxx]
> Sent: Thursday, March 29, 2012 2:11 AM
> 
> On 3/29/2012 11:25 AM, Pratyush Anand wrote:
> >> Hi Pratyush,
> >>
> >> I tried my "isoc support for gadget zero and usbtest" patches with
> >> the dwc3 driver with the above patch, and the isoc IN tests from
> >> usbtest still didn't work. I discovered that I needed to queue up
> >> 8 requests in source_sink_start_ep(), or else the transfer would
> >> stop after the first 4 packets were sent.
> >
> > Yes exactly, I had also works on the similar line.
> > Thanks a lot for all these patches. I will apply them and will test.
> 
> Yes, its working, atleast for simple cases :)
> 
> [pratyush@dlhl1001 testusb]$ sudo ./testusb -D /proc/bus/usb/010/004 -t
> 16 -g 2
> unknown speed	/proc/bus/usb/010/004
> /proc/bus/usb/010/004 test 16,    1.999697 secs
> [pratyush@dlhl1001 testusb]$ sudo ./testusb -D /proc/bus/usb/010/004 -t
> 15 -g 2
> unknown speed	/proc/bus/usb/010/004
> /proc/bus/usb/010/004 test 15,    1.999700 secs
> 
> Many other test of usbtest still does not pass. May be I will work on
> them in couple of days.

Do you have the ring expansion patches for the xhci host? Those are
in Linus' current git, they are not in 3.3. Without that, many of the
tests will fail.

-- 
Paul

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