From c3d6a64bd1e82ea486bff46b17d5403c2d2602d6 Mon Sep 17 00:00:00 2001 From: Sabyasachi Gupta Date: Mon, 5 Nov 2018 08:58:23 +0530 Subject: powerpc/pasemi: Use dma_zalloc_coherent() Replace dma_alloc_coherent() + memset() with dma_zalloc_coherent(). Signed-off-by: Sabyasachi Gupta Signed-off-by: Michael Ellerman --- arch/powerpc/platforms/pasemi/dma_lib.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index 53384eb42a76..d18d16489a15 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -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); -- cgit v1.2.3-59-g8ed1b