diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index f38f43f..e7fc5fe 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -44,7 +44,9 @@
 	US_FLAG(NO_WP_DETECT,	0x00000200)			\
 		/* Don't check for write-protect */		\
 	US_FLAG(MAX_SECTORS_64,	0x00000400)			\
-		/* Sets max_sectors to 64    */
+		/* Sets max_sectors to 64    */			\
+	US_FLAG(IGNORE_DEVICE,	0x00000800)			\
+		/* Don't claim device */
 
 #define US_FLAG(name, value)	US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };