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-rw-r--r--arch/alpha/include/asm/dma-mapping.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index a5801ae02e4b..04eb5681448c 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -29,6 +29,8 @@
#else /* no PCI - no IOMMU. */
+#include <asm/io.h> /* for virt_to_phys() */
+
struct scatterlist;
void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp);
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