Patch allows usb devices with multiple interfaces to use this driver without this driver assuming all interfaces are i2c-tiny-usb. Signed-off-by: Harry Geyer <harry.geyer@xxxxxxxxxxxxx> --- drivers/i2c/busses/i2c-tiny-usb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c index d1fa9ff5aeab..1bffe36c40ad 100644 --- a/drivers/i2c/busses/i2c-tiny-usb.c +++ b/drivers/i2c/busses/i2c-tiny-usb.c @@ -222,6 +222,10 @@ static int i2c_tiny_usb_probe(struct usb_interface *interface, int retval = -ENOMEM; u16 version; + if (interface->intf_assoc && + interface->intf_assoc->bFunctionClass != USB_CLASS_VENDOR_SPEC) + return -ENODEV; + dev_dbg(&interface->dev, "probing usb device\n"); /* allocate memory for our device state and initialize it */ -- 2.34.1
