Two USB Device Ports?

[Geoff Nichols]

I have an application where I need two USB device ports. This hardware is to sit between two PC's and show up as a USB device to both. We are looking at an ARM platform, likely a PAxxx SODIMM board from Cogent or Toradex, with two NET2272 from PLX on the memory bus. PLX offers hardware drivers and along with the Linux USB gadget drivers it looks like we can get the OS aware of the NET2272's.

My question is: How well does Linux play with TWO USB device ports? Is this already supported or will we have to modify parts of the USB gadget drivers to make this work?

Thanks
geoff

____________________________
 
Geoff Nichols
***@mindtribe.com
650.324.9432 x105
 
MindTribe Product Engineering
119 University Avenue
Palo Alto, CA 94301
http://www.mindtribe.com



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[Alan Stern]

Post by Geoff Nichols
I have an application where I need two USB device ports. This
hardware is to sit between two PC's and show up as a USB device to
both. We are looking at an ARM platform, likely a PAxxx SODIMM board
from Cogent or Toradex, with two NET2272 from PLX on the memory bus.
PLX offers hardware drivers and along with the Linux USB gadget
drivers it looks like we can get the OS aware of the NET2272's.
My question is: How well does Linux play with TWO USB device ports?
Is this already supported or will we have to modify parts of the USB
gadget drivers to make this work?

It is not supported. You will have to modify the drivers to make it
work.

Alan Stern


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