Re: musb + full speed device (2)

2014-08-01 Thread Pedro Erencia
2014-08-01 15:33 GMT+02:00 Peter Stuge : > Pedro Erencia wrote: >> Unfortunately we cannot change the linux kernel, we are tied to the >> BSP supplied. :( > > Then unfortunately you cannot get any help from the community, but > are tied also to the BSP supplier for your s

Re: musb + full speed device (2)

2014-08-01 Thread Pedro Erencia
2014-08-01 13:33 GMT+02:00 Peter Stuge : > Hi, > > Your kernel is ancient. You should either ask your kernel supplier > for support or switch to using a current upstream kernel if you want > help here. > > I can just give some general libusb advice. > > Pedro Erenci

musb + full speed device (2)

2014-08-01 Thread Pedro Erencia
Hello, we are having a curious behaviour with the USB OTG throughput on a DM3730. Specifically, we get a much greater throughput with high cpu loads. The DM3730 OTG is running has HOST and attached to a custom board. That board is a full-speed device, with 64B Bulk endpoints. The system is the f

Re: musb + full speed device

2014-06-25 Thread Pedro Erencia
Hi, Thanks for the suggestions Felipe. We are not processing our packets in during giveback, but anyway I've tried your patch and it results in a very little (~5%) increase in transfer rate. I think it is a latency issue, since running the application reports a 97% idle time on top. The profili

musb + full speed device

2014-06-21 Thread Pedro Erencia
d force us, maybe, to use an isochronous inteface instead of a bulk, with the risk of packet lossing. So the question is, given the restraints we face, are there any other options we could consider to reach the .5 MB/s ? Thanks. Pedro Erencia. -- To unsubscribe from this list: send the line &q