microblaze: dma-mapping: support debug_dma_mapping_error

Add support for debug_dma_mapping_error() call to avoid warning from debug_dma_unmap() interface when it checks for mapping error checked status. Without this patch, device driver failed to check map error warning is generated.

---

This patch is already in linux-next. Including it in this series for completeness. linux-next commit f229605441030bcd315c21d97b25889d63ed0130

-- shuah

---
 arch/microblaze/include/asm/dma-mapping.h |    2 ++
 1 file changed, 2 insertions(+)

index 01d2282..46460f1 100644
@@ -114,6 +114,8 @@ static inline void __dma_sync(unsigned long paddr,
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
 	struct dma_map_ops *ops = get_dma_ops(dev);
+
+	debug_dma_mapping_error(dev, dma_addr);
 	if (ops->mapping_error)
 		return ops->mapping_error(dev, dma_addr);
 

1.7.9.5