On Thu, Aug 15, 2013 at 12:10:49PM +0100, Stefano Stabellini wrote:
> Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
> CC: catalin.mari...@arm.com
> CC: will.dea...@arm.com
> ---
> arch/arm64/mm/dma-mapping.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
> index 4bd7579..a006e84 100644
> --- a/arch/arm64/mm/dma-mapping.c
> +++ b/arch/arm64/mm/dma-mapping.c
> @@ -63,6 +63,8 @@ static struct dma_map_ops arm64_swiotlb_dma_ops = {
>
> void __init arm64_swiotlb_init(void)
> {
> + if (dma_ops != NULL)
> + return;
> dma_ops = &arm64_swiotlb_dma_ops;
> swiotlb_init(1);
Acked-by: Catalin Marinas <catalin.mari...@arm.com>
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