> The option driver will bind because you have matched only on Class ff "{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a1, 0xff) }" > There are other macros that you could possibly use but I can't tell you which since you have not shown an usb-device listing for the device. > You can also blacklist an interface (RSV). The option driver source is full of examples of macro use and combinations. Hi Lars: The InterfaceNumber of the adb interface is 05, so the following code can blacklist an interface (RSV)? Is this appropriate for adb interface? + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0115, 0xff), .driver_info = RSVD(5) }, /* Fibocom FM135 (laptop MBIM) */ thanks bolan