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[IA64] swiotlb clash fix
Do not define dma_supported to platform_dma_supported when building the Xen kernel. This happend to work for DIG builds because the swiotlb.c version of dma_supported compiles to identical code as arch/i386/kernel/pci-dma-xen.c so the linker didn't complain. Signed-off-by: Jes Sorensen <jes@sgi.com>
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@@ -84,7 +84,9 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
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#define dma_sync_single_range_for_device(dev, dma_handle, offset, size, dir) \
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dma_sync_single_for_device(dev, dma_handle, size, dir)
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#ifndef CONFIG_XEN
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#define dma_supported platform_dma_supported
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#endif
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static inline int
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dma_set_mask (struct device *dev, u64 mask)
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