Re: [PATCH 1/1] Add virtio-input driver.

[Gerd Hoffmann]

  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


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