Commit c7a4a765 authored Apr 23, 2014 by Ritesh Harjani Committed by Catalin Marinas May 03, 2014

arm64: Make default dma_ops to be noncoherent



Currently arm64 dma_ops is by default made coherent which makes it
opposite in default policy from arm.

Make default dma_ops to be noncoherent (same as arm), as currently there
aren't any dma-capable drivers which assumes coherent ops

Signed-off-by: Ritesh Harjani <ritesh.harjani@gmail.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

parent f774b7d1

arch/arm64/mm/dma-mapping.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -311,7 +311,7 @@ static int __init swiotlb_late_init(void)
		{
		size_t swiotlb_size = min(SZ_64M, MAX_ORDER_NR_PAGES << PAGE_SHIFT);

		dma_ops = &coherent_swiotlb_dma_ops;
		dma_ops = &noncoherent_swiotlb_dma_ops;

		return swiotlb_late_init_with_default_size(swiotlb_size);
		}