add license; ok kettenis@

diff --git a/sys/dev/pci/drm/include/linux/of_device.h b/sys/dev/pci/drm/include/linux/of_device.h
index 2a5fb22..68cde3d 100644 (file)
--- a/sys/dev/pci/drm/include/linux/of_device.h
+++ b/sys/dev/pci/drm/include/linux/of_device.h
@@ -1,3 +1,8 @@
+/* Public domain. */
+
+#ifndef _LINUX_OF_DEVICE_H
+#define _LINUX_OF_DEVICE_H
+
 #include <linux/of.h>
 #include <linux/of_platform.h>
 
@@ -6,3 +11,5 @@ int    __of_device_is_compatible(struct device_node *, const char *);
        __of_device_is_compatible(__of_node(n), (c))
 
 int    of_dma_configure(struct device *, struct device_node *, int);
+
+#endif