Messages in this thread | | | From | Sabyasachi Gupta <> | Date | Thu, 15 Nov 2018 23:29:52 +0530 | Subject | Re: [PATCH] arch/powerpc: Use dma_zalloc_coherent |
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On Mon, Nov 5, 2018 at 8:58 AM Sabyasachi Gupta <sabyasachi.linux@gmail.com> wrote: > > Replaced dma_alloc_coherent + memset with dma_zalloc_coherent > > Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
Any comment on this patch?
> --- > arch/powerpc/platforms/pasemi/dma_lib.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c > index 53384eb..d18d164 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); > -- > 2.7.4 >
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