From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kay Sievers Date: Thu, 28 Apr 2005 07:19:03 +0000 Subject: RE: getting /dev entries for USB devices Message-Id: <1114672743.28238.5.camel@localhost.localdomain> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Wed, 2005-04-27 at 11:18 -0500, Stephen Morgan wrote: > > I'm trying to get udev to create nodes for my USB devices. There > > will be several of the same device and I need their nodes named > > according to their bus location. > > > > I created this rule file in /etc/udev/rules.d, called it 05-aa_dev.rules > > > > BUS="usb", PLACE="1.1", NAME="aa_dev01" > > BUS="usb", PLACE="1.2", NAME="aa_dev02" > > BUS="usb", PLACE="2.1", NAME="aa_dev03" > > BUS="usb", PLACE="2.2", NAME="aa_dev04" > > BUS="usb", PLACE="3.1", NAME="aa_dev05" > > BUS="usb", PLACE="3.2", NAME="aa_dev06" > > BUS="usb", PLACE="4.1", NAME="aa_dev07" > > BUS="usb", PLACE="4.2", NAME="aa_dev08" > > > > When I plug the devices in, I see a new entry show up in > > /sys/bus/usb/devices, for instance "3-1". In that directory, I > > can find the idProduct and idVendor that match my device - so > > far, so good. > > > > But nothing ever shows up in /dev. I should see one of my device > > names appear, shouldn't I? It depends. Not all devices have device nodes. Some USB devices, like scanners, are only accessed through usbfs with a userspaces driver. > Is there a simple way to tell if the .rules file is being applied, I mean, > other than the nodes appearing in /dev? I've tried intentionally putting > typos in my file and in 50-udev.rules, but couldn't see that it affected > anything. You may run udevtest, with the DEVPATH of this device. > I don't see a lot of use of PLACE in .rules files, is it working okay? PLACE is not used anymore and removed from future udev versions. ID works the same way. Kay ------------------------------------------------------- SF.Net email is sponsored by: Tell us your software development plans! Take this survey and enter to win a one-year sub to SourceForge.net Plus IDC's 2005 look-ahead and a copy of this survey Click here to start! http://www.idcswdc.com/cgi-bin/survey?id5hix _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel