With a multi-interface USB HID devices (i.e. my keyboards and radio-remote receivers), on 2.6.17:
# udevinfo -q all -n /dev/input/event4 P: /class/input/input6/event4 N: input/event4 S: input/by-path/pci-0000:00:10.0-usb-0:1:1.1-event- E: ID_VENDOR=Logitech E: ID_MODEL=USB_Receiver E: ID_REVISION=0103 E: ID_SERIAL=Logitech_USB_Receiver E: ID_TYPE=hid E: ID_BUS=usb E: ID_PATH=pci-0000:00:10.0-usb-0:1:1.1 And on 2.6.20-rc4 (output from different host): # udevinfo -q all -n /dev/input/event3 P: /class/input/input3/event3 N: input/event3 S: input/by-path/pci-1-1--event- E: ID_SERIAL=noserial E: ID_PATH=pci-1-1- I found the following difference, possibly related: # readlink -f /sys/class/input/input6/event4/device /sys/devices/pci0000:00/0000:00:10.0/usb2/2-1/2-1:1.1 # readlink -f /sys/class/input/input3/event3/device /sys/devices/pci0000:00/0000:00:10.0/usb1/1-1 On the older working kernel, device/ symlink points to the interface directory, which contains, among other files, the critical modalias file. -- Anssi Hannula ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
