diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index f85c93d..b69bdb1 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -86,6 +86,7 @@
 struct stmmac_dma_cfg {
 	int pbl;
 	int fixed_burst;
+	int mixed_burst;
 	int burst_len;
 };