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arm64: Make default dma_ops to be noncoherent

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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>
(cherry picked from commit c7a4a7658d)

Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Ritesh Harjani
2014-05-09 15:58:19 +01:00
committed by Mark Brown
parent dbcc9311db
commit 3abb7f235b
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/mm/dma-mapping.c
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@@ -254,7 +254,7 @@ 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);
}