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-rw-r--r--arch/arm/include/asm/dma-iommu.h2
-rw-r--r--arch/arm/include/asm/dma-mapping.h2
2 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index 6821f1249300..772f48ef84b7 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -9,8 +9,6 @@
#include <linux/dma-debug.h>
#include <linux/kref.h>
-#define ARM_MAPPING_ERROR (~(dma_addr_t)0x0)
-
struct dma_iommu_mapping {
/* iommu specific data */
struct iommu_domain *domain;
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 965b7c846ecb..31d3b96f0f4b 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -18,7 +18,7 @@ extern const struct dma_map_ops arm_coherent_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
- return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_direct_ops;
+ return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : NULL;
}
#ifdef __arch_page_to_dma