Peter Stuge <peter@...> writes: > Tilman wrote: > What device is that? Is it a Cypress FX2 or an SiLabs C8051? ezusb (Cypress AN2131) > > The urb eventually times out. Via debug FS I can see that the urb is > > indeed submitted. I suspect the firmware to be responsible for this. > > That's quite likely. .. on the other hand, I do not see an obvious mistake when intializing the USB core of the AN2131 :-) > > I would like to exclude the linux test driver owever, > > That doesn't make a lot of sense - if you take the driver away then > there is nothing that will talk to your device, so there will be no > traffic. I did not mean to take the driver away -- I would like to exclude it as error source, i.e. I understand that debugfs taps the communication between the device driver and the queue of the usb subsystem. It does not give me certainty that the urb ever made it to the usb wire. Tilman -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
