iommu: of: Handle IOMMU lookup failure with deferred probing or error

[linux.git] / include / linux / of_device.h

diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index c12dace043f3c840a8bb4d4540e06f897eeca8cb..2cacdd81062eb0ffbcd688c85e28cdb3dbc6ad0a 100644 (file)
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -55,7 +55,8 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
        return of_node_get(cpu_dev->of_node);
 }
 
-void of_dma_configure(struct device *dev, struct device_node *np);
+int of_dma_configure(struct device *dev, struct device_node *np);
+void of_dma_deconfigure(struct device *dev);
 #else /* CONFIG_OF */
 
 static inline int of_driver_match_device(struct device *dev,
@@ -103,7 +104,12 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
 {
        return NULL;
 }
-static inline void of_dma_configure(struct device *dev, struct device_node *np)
+
+static inline int of_dma_configure(struct device *dev, struct device_node *np)
+{
+       return 0;
+}
+static inline void of_dma_deconfigure(struct device *dev)
 {}
 #endif /* CONFIG_OF */