Re: USB device with multiple non-sequential interfaces
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 28 Nov 2007, Kevin Lloyd wrote: > Hi all, > > When I plugged in a USB device that has two interfaces that are not > sequential, say interface#1 and interface#99 I get the following error > message: > usb 2-2: config 1 has an invalid interface number: 99 but max is > 1 > usb 2-2: config 1 has no interface number 1 > > I was wondering what the reason for this is, why would it not be okay to > have multiple interfaces that are not sequentially numbered? Because the USB spec says interfaces must be numbered sequentially starting from 0. > Also I that it still loaded the driver for the second interface, is this > maybe just a warning? Yes. Alan Stern ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel