of: Fix "dma-ranges" handling for bus controllers

[linux-2.6-microblaze.git] / drivers / of / of_private.h

diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 9324483..fb6792d 100644 (file)
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -155,12 +155,17 @@ struct bus_dma_region;
 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_HAS_DMA)
 int of_dma_get_range(struct device_node *np,
                const struct bus_dma_region **map);
+struct device_node *__of_get_dma_parent(const struct device_node *np);
 #else
 static inline int of_dma_get_range(struct device_node *np,
                const struct bus_dma_region **map)
 {
        return -ENODEV;
 }
+static inline struct device_node *__of_get_dma_parent(const struct device_node *np)
+{
+       return of_get_parent(np);
+}
 #endif
 
 void fdt_init_reserved_mem(void);