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Date: Thu, 15 Aug 2013 12:10:49 +0100 From: Stefano Stabellini <stefano.stabellini@...citrix.com> To: <xen-devel@...ts.xensource.com> CC: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <konrad.wilk@...cle.com>, <Stefano.Stabellini@...citrix.com>, <Ian.Campbell@...rix.com>, Stefano Stabellini <stefano.stabellini@...citrix.com>, <catalin.marinas@....com>, <will.deacon@....com> Subject: [PATCH v4 05/10] arm64: do not initialize arm64_swiotlb if dma_ops is already set Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com> CC: catalin.marinas@....com CC: will.deacon@....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); } -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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