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 aebd178a19ac0ddcf66059baacb0fdc0471c6299..bb0378f2b933c4adcb7662968e9a2e5f4f63764c 100644 (file)
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -50,10 +50,30 @@ struct dma_mapping_ops {
        int             is_phys;
 };
 
+extern const struct dma_mapping_ops *dma_ops;
+
 #ifdef CONFIG_X86_32
 # include "dma-mapping_32.h"
 #else
 # include "dma-mapping_64.h"
 #endif
 
+static inline dma_addr_t
+dma_map_single(struct device *hwdev, void *ptr, size_t size,
+              int direction)
+{
+       BUG_ON(!valid_dma_direction(direction));
+       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