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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>
This commit is contained in:
Ritesh Harjani 2014-04-23 06:29:46 +01:00 committed by Catalin Marinas
parent f774b7d10e
commit c7a4a7658d
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/mm/dma-mapping.c
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@ -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);
}