On Monday, November 18, 2013 6:07:37 AM Greg KH wrote: > > I want my software to ignore devices that are already in use by other > > software. The "other software" might be accessing it via the kernel > > drivers, or perhaps libusb. My software (in this case) would be using > > libusb, and need to detach the kernel drivers to claim the interface - > > even if the kernel driver isn't currently in use. > > What types of devices?
Just tty/serial devices (HID, VCOM, and CDC/ACM) > And no, there is no "general" way to determine this, sorry, it all > depends on the type of device, and for some of them, you really can't > tell (think about a keyboard, when is it "in use"?) When X has it open? > > So, I want to detach the driver so I can use it myself, but only if some > > other software isn't already using it. > > What will you do with the device? Send it work to process, and get results back. > Why not just have the user tell you which device you want to claim? They can do that, but users like automatic stuff by default :/ Luke -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
