summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/dma-iommu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/include/asm/dma-iommu.h')
-rw-r--r--arch/arm/include/asm/dma-iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index 2ef282f96651..389a26a10ea3 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -9,6 +9,8 @@
#include <linux/kmemcheck.h>
#include <linux/kref.h>
+#define ARM_MAPPING_ERROR (~(dma_addr_t)0x0)
+
struct dma_iommu_mapping {
/* iommu specific data */
struct iommu_domain *domain;