[PATCH] powerpc: use a common vio_match_device routine

This requires the compatible properties having vaules that are empty
strings instead of just being empty properties.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/vio.c

@@ -47,7 +47,8 @@ static const struct vio_device_id *vio_match_device(
 		const struct vio_device_id *ids, const struct vio_dev *dev)
 {
 	while (ids->type[0] != '\0') {
-		if (vio_bus_ops.match(ids, dev))
+		if ((strncmp(dev->type, ids->type, strlen(ids->type)) == 0) &&
+		    device_is_compatible(dev->dev.platform_data, ids->compat))
 			return ids;
 		ids++;
 	}