Rupesh Gujare <rgujare@xxxxxxxxxxxxxxx> wrote on 2012/04/03 17:09:50: > > On 03/04/12 15:39, Joakim Tjernlund wrote: > > We are just starting to look into the USB protocol and so got a question. > > > > We will have an USB HOST with a builtin USB hub with many ports and we need to find out which > > physical port an device is attached to. Is this possible? Does Linux support retrieving > > this port information? > > > > Jocke > > > > -- > > 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 > > > $sudo lsusb -v > $sudo lsusb -t Tried that but I don't quite get it. I can see Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Port 3: 0000.0100 power Port 4: 0000.0100 power Port 5: 0000.0303 lowspeed power enable connect Port 6: 0000.0100 power But I cannot match 0000.0303 to a device. Can you give me an example? Jocke -- 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