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-rw-r--r--include/asm-powerpc/prom.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 925e2d384bb..78b7b0d494c 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -202,6 +202,10 @@ static inline unsigned long of_read_ulong(const u32 *cell, int size)
*/
extern u64 of_translate_address(struct device_node *np, const u32 *addr);
+/* Translate a DMA address from device space to CPU space */
+extern u64 of_translate_dma_address(struct device_node *dev,
+ const u32 *in_addr);
+
/* Extract an address from a device, returns the region size and
* the address space flags too. The PCI version uses a BAR number
* instead of an absolute index