1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index d90c0d5df3b3..25e57bc9c3cc 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1330,6 +1330,10 @@ enum xhci_setup_dev {
 #define TRB_SIA			(1<<31)
 #define TRB_FRAME_ID(p)		(((p) & 0x7ff) << 20)
 
+/* TRB cache size for xHC with TRB cache */
+#define TRB_CACHE_SIZE_HS	8
+#define TRB_CACHE_SIZE_SS	16
+
 struct xhci_generic_trb {
 	__le32 field[4];
 };