Commit c3d6a64b authored by Sabyasachi Gupta's avatar Sabyasachi Gupta Committed by Michael Ellerman
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powerpc/pasemi: Use dma_zalloc_coherent() 



Replace dma_alloc_coherent() + memset() with dma_zalloc_coherent().

Signed-off-by: default avatarSabyasachi Gupta <sabyasachi.linux@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent af8511cf

arch/powerpc/platforms/pasemi/dma_lib.c

+1 −3
Original line number Diff line number Diff line
@@ -255,15 +255,13 @@ int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size) 


	chan->ring_size = ring_size;



	chan->ring_virt = dma_alloc_coherent(&dma_pdev->dev,

	chan->ring_virt = dma_zalloc_coherent(&dma_pdev->dev,

					     ring_size * sizeof(u64),

					     &chan->ring_dma, GFP_KERNEL);



	if (!chan->ring_virt)

		return -ENOMEM;



	memset(chan->ring_virt, 0, ring_size * sizeof(u64));



	return 0;

}

EXPORT_SYMBOL(pasemi_dma_alloc_ring);

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