Messages in this thread | | | Subject | Re: [PATCH 1/1] Add virtio-input driver. | From | Gerd Hoffmann <> | Date | Fri, 20 Mar 2015 10:54:33 +0100 |
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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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