Re: usbserial driving multiple devices

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On 05/02/11 09:36, azimout@xxxxxxxxx wrote:
> On 2 May 2011 18:05, Greg KH <greg@xxxxxxxxx> wrote:
>> On Mon, May 02, 2011 at 05:52:03PM +0200, azimout@xxxxxxxxx wrote:
>>> Hello list,
>>>
>>> I was wondering if there's a way for usbserial.ko to drive multiple
>>> devices when it's loaded manually. Specifically, I want to connect to
>>> professional GPS/GNSS receivers via USB and talk to them through a
>>> serial connection over USB.
>>>
>>> I can make it work for each single one, through "sudo modprobe
>>> usbserial vendor=xxxx product=yyyy", but I cannot run this command a
>>> second time to make it create a second /dev/ttyUSB[09] device (this is
>>> not true; I can run it a second time, and it exits without error, but
>>> since the module is already loaded, it doesn't have the desired
>>> effect).
>>
<snip>
> 
> Greg, thank you for the prompt response.
> 
> The first device is a Novatel OEMV board. The vid/pid pair is [09d7:0100].
> The other device is a Javad Delta board. The vid/pid pair is [1a46:0000].
> 
> However, I guess I will see this in the next kernel version. Is there
> anything I can do now, to be able to work with both?
> 

Buried in the /sys file system is a driver for your type device. Check
out the new_id entry, it allows you to assign new VID/PID to an existing
driver.

Regards, Steve
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