diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 3c2ad72a1621392a3c51e969a8d9dc4b9a6f9e17..eb75d4b4bafe1e846250eb7e594366894cbb4dcb 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -71,7 +71,7 @@
 #define DCMD_LENGTH	0x01fff		/* length mask (max = 8K - 1) */
 
 #define PDMA_ALIGNMENT		3
-#define PDMA_MAX_DESC_BYTES	0x1000
+#define PDMA_MAX_DESC_BYTES	DCMD_LENGTH
 
 struct mmp_pdma_desc_hw {
 	u32 ddadr;	/* Points to the next descriptor + flags */