diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h
index d3cce68e8954..b32d6ab2a408 100644
--- a/drivers/staging/greybus/greybus_protocols.h
+++ b/drivers/staging/greybus/greybus_protocols.h
@@ -660,14 +660,14 @@ struct gb_uart_serial_state_request {
 /* Loopback */
 
 /* Version of the Greybus loopback protocol we support */
-#define	GB_LOOPBACK_VERSION_MAJOR		0x00
-#define	GB_LOOPBACK_VERSION_MINOR		0x01
+#define GB_LOOPBACK_VERSION_MAJOR		0x00
+#define GB_LOOPBACK_VERSION_MINOR		0x01
 
 /* Greybus loopback request types */
-#define	GB_LOOPBACK_TYPE_INVALID		0x00
-#define	GB_LOOPBACK_TYPE_PROTOCOL_VERSION	0x01
-#define	GB_LOOPBACK_TYPE_PING			0x02
-#define	GB_LOOPBACK_TYPE_TRANSFER		0x03
+#define GB_LOOPBACK_TYPE_INVALID		0x00
+#define GB_LOOPBACK_TYPE_PROTOCOL_VERSION	0x01
+#define GB_LOOPBACK_TYPE_PING			0x02
+#define GB_LOOPBACK_TYPE_TRANSFER		0x03
 #define GB_LOOPBACK_TYPE_SINK			0x04
 
 struct gb_loopback_transfer_request {