diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 5505bcffd7ddf21f6f18a5a1aabcf2d9bb045e9a..16a001c71e2eb7774da25b95e187cbed3119a064 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -318,24 +318,6 @@ void __init early_init_devtree(void *params)
 	pr_debug(" <- early_init_devtree()\n");
 }
 
-/**
- * Indicates whether the root node has a given value in its
- * compatible property.
- */
-int machine_is_compatible(const char *compat)
-{
-	struct device_node *root;
-	int rc = 0;
-
-	root = of_find_node_by_path("/");
-	if (root) {
-		rc = of_device_is_compatible(root, compat);
-		of_node_put(root);
-	}
-	return rc;
-}
-EXPORT_SYMBOL(machine_is_compatible);
-
 /*******
  *
  * New implementation of the OF "find" APIs, return a refcounted
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 877fad9b3745ef9237557724ee4f77a772f8a960..caeea9a5fcc28dc758e7f4c5618e4f0aebba64dd 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -754,25 +754,6 @@ void __init early_init_devtree(void *params)
 	DBG(" <- early_init_devtree()\n");
 }
 
-
-/**
- * Indicates whether the root node has a given value in its
- * compatible property.
- */
-int machine_is_compatible(const char *compat)
-{
-	struct device_node *root;
-	int rc = 0;
-
-	root = of_find_node_by_path("/");
-	if (root) {
-		rc = of_device_is_compatible(root, compat);
-		of_node_put(root);
-	}
-	return rc;
-}
-EXPORT_SYMBOL(machine_is_compatible);
-
 /*******
  *
  * New implementation of the OF "find" APIs, return a refcounted
diff --git a/drivers/of/base.c b/drivers/of/base.c
index ec56739eb247c3961e48fb9946b4041037ca3c56..dba995b70b847ed2962c99b7c55804c19f73136d 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -143,6 +143,27 @@ int of_device_is_compatible(const struct device_node *device,
 }
 EXPORT_SYMBOL(of_device_is_compatible);
 
+/**
+ * machine_is_compatible - Test root of device tree for a given compatible value
+ * @compat: compatible string to look for in root node's compatible property.
+ *
+ * Returns true if the root node has the given value in its
+ * compatible property.
+ */
+int machine_is_compatible(const char *compat)
+{
+	struct device_node *root;
+	int rc = 0;
+
+	root = of_find_node_by_path("/");
+	if (root) {
+		rc = of_device_is_compatible(root, compat);
+		of_node_put(root);
+	}
+	return rc;
+}
+EXPORT_SYMBOL(machine_is_compatible);
+
 /**
  *  of_device_is_available - check if a device is available for use
  *