diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index ed9d9242..8f50a0f 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -687,7 +687,8 @@
 	struct scatterlist	*sg;
 	size_t			total_len = 0;
 
-	dev_vdbg(chan2dev(chan), "prep_slave_sg: %s f0x%lx\n",
+	dev_vdbg(chan2dev(chan), "prep_slave_sg (%d): %s f0x%lx\n",
+			sg_len,
 			direction == DMA_TO_DEVICE ? "TO DEVICE" : "FROM DEVICE",
 			flags);