diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 4de4f3fd1b4737889072280c0aa82f8597672429..b426e55f831698a74c9919144096c2bb8611b360 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -875,7 +875,6 @@ static int mmp_pdma_probe(struct platform_device *op)
 
 	dma_cap_set(DMA_SLAVE, pdev->device.cap_mask);
 	dma_cap_set(DMA_MEMCPY, pdev->device.cap_mask);
-	dma_cap_set(DMA_SLAVE, pdev->device.cap_mask);
 	pdev->device.dev = &op->dev;
 	pdev->device.device_alloc_chan_resources = mmp_pdma_alloc_chan_resources;
 	pdev->device.device_free_chan_resources = mmp_pdma_free_chan_resources;