[PATCH v8 02/19] arm64: define DMA_ERROR_CODE

[Stefano Stabellini]

Signed-off-by: Stefano Stabellini <stefano.stabellini at eu.citrix.com>
Acked-by: Catalin Marinas <catalin.marinas at arm.com>
CC: will.deacon at arm.com

Changes in v8:
- cast to dma_addr_t before returning.
---
 arch/arm64/include/asm/dma-mapping.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index 8d18100..59206b1 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -25,6 +25,7 @@
 
 #define ARCH_HAS_DMA_GET_REQUIRED_MASK
 
+#define DMA_ERROR_CODE	(~(dma_addr_t)0)
 extern struct dma_map_ops *dma_ops;
 
 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
-- 
1.7.2.5