From: Jimmy Assarsson <extja@kvaser.com>
To: "linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Subject: Re: Associate physical device with device name
Date: Thu, 8 Feb 2018 13:05:07 +0100 [thread overview]
Message-ID: <33aac663-0a1a-9176-5fa0-cf7c2f84ce53@kvaser.com> (raw)
In-Reply-To: <e8998556-5e13-1cec-f404-70c4679ca9c3@kvaser.com>
On 2018-01-26 15:38, Jimmy Assarsson wrote:
> We would like to be able to associate physical (Kvaser) USB devices with
> their device names (can0 etc.).
> The interface's EAN (article number) combined with serial number, form a
> unique identifier.
>
> It is not possible to do this from the USB descriptor. Since the serial
> number is not provided in the USB descriptor. And the same PID is reused
> for multiple EAN numbers. It is preferable with a solution that is
> independent of interface type (USB etc.), since we may support other
> devices in the future.
>
> This is somewhat similar to '"user id" for can usb adapters',
> https://marc.info/?l=linux-can&m=146565019622100
>
> What is the preferable way of solving this kind of problem? Is sysfs
> suitable?
No suggestions or opinions on this?
Regards,
Jimmy
next prev parent reply other threads:[~2018-02-08 12:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-26 14:38 Associate physical device with device name Jimmy Assarsson
2018-02-08 12:05 ` Jimmy Assarsson [this message]
2018-02-08 12:45 ` Marc Kleine-Budde
2018-02-08 13:04 ` Jimmy Assarsson
2018-02-09 7:50 ` Jimmy Assarsson
2018-02-09 10:47 ` Marc Kleine-Budde
2018-02-09 11:21 ` Jimmy Assarsson
2018-02-09 13:24 ` Marc Kleine-Budde
2018-02-09 15:35 ` Jimmy Assarsson
2018-02-09 17:09 ` Oliver Hartkopp
2018-02-10 9:58 ` Kurt Van Dijck
2018-02-10 11:01 ` André Hartmann
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