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-rw-r--r--include/linux/of_address.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index e8a179773a1a..5f6ed6b182b8 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -34,6 +34,10 @@ static inline void of_pci_range_to_resource(struct of_pci_range *range,
res->name = np->full_name;
}
+/* Translate a DMA address from device space to CPU space */
+extern u64 of_translate_dma_address(struct device_node *dev,
+ const __be32 *in_addr);
+
#ifdef CONFIG_OF_ADDRESS
extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
extern bool of_can_translate_address(struct device_node *dev);