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-rw-r--r--arch/xtensa/include/asm/dma-mapping.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index 269738dc9d1d..353e0314d6ba 100644
--- a/arch/xtensa/include/asm/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -23,8 +23,10 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return &xtensa_dma_map_ops;
}
-void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction direction);
+static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+ enum dma_data_direction direction)
+{
+}
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{