On Mon, Nov 18, 2013 at 01:44:19AM +0000, Luke-Jr wrote: > Is there a way to tell if a USB device is in use or not before requesting the > kernel detach drivers? Not really, sorry. > I'd define "in use" as either an interface claimed on usbfs or tty/etc > provided by a kernel driver being opened. And "not in use" including "kernel > driver attached, but not interfacing device to any software". > > Thoughts? You might want to find a "way", but think about a user removing a device at any point in time. Drivers have to handle this already, so it really doesn't make sense to have this type of functionality if it can't be used by anyone. What problem are you trying to solve? greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
