From 3abb7f235bacff959dc5a12c4ef77a4f358d2dc5 Mon Sep 17 00:00:00 2001 From: Ritesh Harjani Date: Fri, 9 May 2014 15:58:19 +0100 Subject: [PATCH] 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 Acked-by: Will Deacon Signed-off-by: Catalin Marinas (cherry picked from commit c7a4a7658d689f664050c45493d79adf053f226e) Signed-off-by: Jon Medhurst Signed-off-by: Mark Brown --- arch/arm64/mm/dma-mapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index a48f1da828f6..d3d9bf5884f8 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -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); } -- 2.34.1