From: Michael Mauch <michael.mauch@gmx.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Stable identification of identical USB hardware
Date: Mon, 18 Jun 2007 19:00:27 +0200 [thread overview]
Message-ID: <20070618170027.GA11233@elmicha> (raw)
In-Reply-To: <157636.91774.qm@web51404.mail.re2.yahoo.com>
Joerg Pommnitz wrote:
> I want to be able to distinguish between two (or more) mostly
> identical USB serial devices. The devices in question are UMTS modems.
> AFAIK they are identical except for the SIM card and the point of
> attachment. Externally the cards are CardBus devices with an integrated
> USB host adapter. The actual UMTS device is (internally) connected to
> the USB host adapter.
> If I have to cardbus sockets, how do I get from what I know ("the card
> is in socket 0") to "I have to talk to ttyUSB2 to talk to the card"? I
> suspect I have to follow the thread from /sys/bus/pci to
> /sys/bus/usb/devices, but how exactly?
You should be able to distinguish the devices with udev. Have a look at
http://www.reactivated.net/writing_udev_rules.html
If that doesn't help, I would like to propose that you ask again in
the de.comp.os.unix.linux.hardware or comp.os.linux.hardware newsgroups.
Regards...
Michael
next prev parent reply other threads:[~2007-06-18 17:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-18 15:35 Stable identification of identical USB hardware Joerg Pommnitz
2007-06-18 17:00 ` Michael Mauch [this message]
2007-06-18 17:13 ` Lee Revell
2007-06-18 20:33 ` [Linux-usb-users] " Greg KH
2007-06-19 9:09 ` Kay Sievers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070618170027.GA11233@elmicha \
--to=michael.mauch@gmx.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox