diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 0a08257..285f2b2 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -971,8 +971,8 @@
 	for (i = 0; i < HVMAXARCHITECTEDVIRTUALDISKS; i++) {
 		snprintf(buf, 32, "viodasd@%08x", reg + i);
 		dt_start_node(dt, buf);
-		dt_prop_str(dt, "device_type", "viodasd");
-		dt_prop_str(dt, "compatible", "");
+		dt_prop_str(dt, "device_type", "block");
+		dt_prop_str(dt, "compatible", "IBM,iSeries-viodasd");
 		dt_prop_u32(dt, "reg", reg + i);
 		dt_prop_u32(dt, "linux,unit_address", i);
 		dt_end_node(dt);
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index f63e07b..b0df4f5 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -747,7 +747,7 @@
  * support.
  */
 static struct vio_device_id viodasd_device_table[] __devinitdata = {
-	{ "viodasd", "" },
+	{ "block", "IBM,iSeries-viodasd" },
 	{ "", "" }
 };
 MODULE_DEVICE_TABLE(vio, viodasd_device_table);