x86: move dma_unmap_single to common header

[karo-tx-linux.git] / include / asm-x86 / dma-mapping.h

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index d320244db8af48a201ef6c16a14ba9bef141daae..bb0378f2b933c4adcb7662968e9a2e5f4f63764c 100644 (file)
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -66,4 +66,14 @@ dma_map_single(struct device *hwdev, void *ptr, size_t size,
        return dma_ops->map_single(hwdev, ptr, size, direction);
 }
 
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size,
+                int direction)
+{
+       BUG_ON(!valid_dma_direction(direction));
+       if (dma_ops->unmap_single)
+               dma_ops->unmap_single(dev, addr, size, direction);
+}
+
+
 #endif