Hi, > > > +static ssize_t serial_show(struct device *dev, > > > + struct device_attribute *attr, char *buf) > > > +{ > > > + struct input_dev *idev = to_input_dev(dev); > > > + struct virtio_input *vi = input_get_drvdata(idev); > > > + return sprintf(buf, "%s\n", vi->serial); > > > +} > > > +static DEVICE_ATTR_RO(serial); > > What is serial? Serial number? Yes. You can (optionally) configure a serial number on the host side, and if that is the case it'll show up here. > > Can you set vi->idev->uniq to the virtio-bus path? > > No, uniq can't be phys as phys is unique within the system while uniq is > like serial number or UUID and should never repeat. Ok, so I guess I should just fill uniq with serial (if present). cheers, Gerd -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html