===== arch/ppc64/kernel/vio.c 1.5 vs edited =====
--- 1.5/arch/ppc64/kernel/vio.c	Tue Feb 24 20:54:12 2004
+++ edited/arch/ppc64/kernel/vio.c	Fri Feb 27 12:05:34 2004
@@ -199,6 +199,15 @@
 	kfree(viodev);
 }

+static ssize_t viodev_show_name(struct device *dev, char *buf)
+{
+	struct vio_dev *viodev = to_vio_dev(dev);
+	struct device_node *of_node = viodev->archdata;
+
+	return sprintf(buf, "%s\n", of_node->name);
+}
+DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_name, NULL);
+
 /**
  * vio_register_device: - Register a new vio device.
  * @of_node:	The OF node for this device.
@@ -256,8 +265,7 @@
 	/* init generic 'struct device' fields: */
 	viodev->dev.parent = &vio_bus_device->dev;
 	viodev->dev.bus = &vio_bus_type;
-	snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%s@%lx",
-		of_node->name, viodev->unit_address);
+	snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%lx", viodev->unit_address);
 	viodev->dev.release = vio_dev_release;

 	/* register with generic device framework */
@@ -268,6 +276,7 @@
 		kfree(viodev);
 		return NULL;
 	}
+	device_create_file(&viodev->dev, &dev_attr_name);

 	return viodev;
 }