| Message ID | 1375720256-8014-5-git-send-email-stefano.stabellini@eu.citrix.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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); }
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> CC: catalin.marinas@arm.com CC: will.deacon@arm.com --- arch/arm64/mm/dma-mapping.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)