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-rw-r--r--include/dma.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/dma.h b/include/dma.h
index 90f9254ea8..2a271044f6 100644
--- a/include/dma.h
+++ b/include/dma.h
@@ -57,14 +57,26 @@ static inline int dma_mapping_error(struct device_d *dev, dma_addr_t dma_addr)
}
/* streaming DMA - implement the below calls to support HAS_DMA */
+#ifndef dma_sync_single_for_cpu
void dma_sync_single_for_cpu(dma_addr_t address, size_t size,
enum dma_data_direction dir);
+#endif
+#ifndef dma_sync_single_for_device
void dma_sync_single_for_device(dma_addr_t address, size_t size,
enum dma_data_direction dir);
+#endif
+#ifndef dma_alloc_coherent
void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle);
+#endif
+
+#ifndef dma_free_coherent
void dma_free_coherent(void *mem, dma_addr_t dma_handle, size_t size);
+#endif
+
+#ifndef dma_alloc_writecombine
void *dma_alloc_writecombine(size_t size, dma_addr_t *dma_handle);
+#endif
#endif /* __DMA_H */