1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 17df3600bcef..e84e769aaddc 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -64,7 +64,9 @@
         US_FLAG(NO_READ_CAPACITY_16,    0x00080000)             \
                 /* cannot handle READ_CAPACITY_16 */            \
         US_FLAG(INITIAL_READ10, 0x00100000)                     \
-                /* Initial READ(10) (and others) must be retried */
+                /* Initial READ(10) (and others) must be retried */     \
+        US_FLAG(WRITE_CACHE,    0x00200000)                     \
+                /* Write Cache status is not available */
 
 #define US_FLAG(name, value)    US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };