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authorSabyasachi Gupta <sabyasachi.linux@gmail.com>2018-11-05 08:58:23 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2018-11-25 17:11:22 +1100
commitc3d6a64bd1e82ea486bff46b17d5403c2d2602d6 (patch)
tree4511100d81070464e2d8daff4ba343e79646877e
parentaf8511cf32189ba66c7e2a4146f11c86c9813ab7 (diff)
downloadlinux-c3d6a64bd1e82ea486bff46b17d5403c2d2602d6.tar.bz2
powerpc/pasemi: Use dma_zalloc_coherent()
Replace dma_alloc_coherent() + memset() with dma_zalloc_coherent(). Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--arch/powerpc/platforms/pasemi/dma_lib.c4
1 files changed, 1 insertions, 3 deletions
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);