diff --git a/include/linux/fsi.h b/include/linux/fsi.h
index 47aa181b640442e1a3acef2d05da68f7da4d2027..f73886a5af01a75e9a5afac6d951d61578e799b0 100644
--- a/include/linux/fsi.h
+++ b/include/linux/fsi.h
@@ -17,6 +17,17 @@
 
 #include <linux/device.h>
 
+struct fsi_device {
+	struct device dev;
+};
+
+struct fsi_driver {
+	struct device_driver drv;
+};
+
+#define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev)
+#define to_fsi_drv(drvp) container_of(drvp, struct fsi_driver, drv)
+
 extern struct bus_type fsi_bus_type;
 
 #endif /* LINUX_FSI_H */