> > > It seems to me that if we cannot guarantee that > > > the devices are identical, we must make sure they > > > have different numbers.
That means the numbers "x" in ttyUSBx will almost never be re-used. To me that sounds like something that will break lots of userspace code. > > What about devices that have serial numbers? > > Wouldn't it at least > > be a good idea to make their file usage persistant? > > I am not sure what you mean as > "devices that have serial numbers?" Consider any FT 232R device, which is assigned one from the factory... e.g. lsusb output: iManufacturer 1 FTDI iProduct 2 FT232R USB UART iSerial 3 A1000q4h > Currently devices are assigned serial numbers > ttyUSB%d on first come, first assigned basis > (see get_free_serial function). Those aren't serial numbers in the USB sense. - Dave ------------------------------------------------------------------------- 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
