of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices

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

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 0977317c6835c2526428f61c12fcfab976650b99..4f3eecedca2d7c75c683cc2f08d64be9ac95118d 100644 (file)
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -728,6 +728,18 @@ dma_mark_declared_memory_occupied(struct device *dev,
 }
 #endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */
 
+#ifdef CONFIG_HAS_DMA
+int dma_configure(struct device *dev);
+void dma_deconfigure(struct device *dev);
+#else
+static inline int dma_configure(struct device *dev)
+{
+       return 0;
+}
+
+static inline void dma_deconfigure(struct device *dev) {}
+#endif
+
 /*
  * Managed DMA API
  */