diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 934c9b75a..7fa99116d 100755
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1285,7 +1285,7 @@ enum xhci_setup_dev {
 /* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */
 #define TRB_TO_STREAM_ID(p)		((((p) & (0xffff << 16)) >> 16))
 #define STREAM_ID_FOR_TRB(p)		((((p)) & 0xffff) << 16)
-#define SCT_FOR_TRB(p)			(((p) & 0x7) << 1)
+#define SCT_FOR_TRB(p)			(((p) << 1) & 0x7)
 
 /* Link TRB specific fields */
 #define TRB_TC			(1<<1)