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-rw-r--r--arch/arm/include/asm/dma-iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index 799b094..666d8a8 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -7,6 +7,7 @@
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>
#include <linux/kmemcheck.h>
+#include <linux/kref.h>
struct dma_iommu_mapping {
/* iommu specific data */