Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[karo-tx-linux.git] / include / linux / of.h

diff --git a/include/linux/of.h b/include/linux/of.h
index 92cf6ad35e0ea01d33ab70ea3cb70394f96762e2..fa7fb1d974589e001a637d0777cd4e856922d68b 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -72,19 +72,17 @@ struct of_phandle_args {
        uint32_t args[MAX_PHANDLE_ARGS];
 };
 
-#if defined(CONFIG_SPARC) || !defined(CONFIG_OF)
+#ifdef CONFIG_OF_DYNAMIC
+extern struct device_node *of_node_get(struct device_node *node);
+extern void of_node_put(struct device_node *node);
+#else /* CONFIG_OF_DYNAMIC */
 /* Dummy ref counting routines - to be implemented later */
 static inline struct device_node *of_node_get(struct device_node *node)
 {
        return node;
 }
-static inline void of_node_put(struct device_node *node)
-{
-}
-#else
-extern struct device_node *of_node_get(struct device_node *node);
-extern void of_node_put(struct device_node *node);
-#endif
+static inline void of_node_put(struct device_node *node) { }
+#endif /* !CONFIG_OF_DYNAMIC */
 
 #ifdef CONFIG_OF
 
@@ -217,6 +215,9 @@ extern int of_property_read_string(struct device_node *np,
 extern int of_property_read_string_index(struct device_node *np,
                                         const char *propname,
                                         int index, const char **output);
+extern int of_property_match_string(struct device_node *np,
+                                   const char *propname,
+                                   const char *string);
 extern int of_property_count_strings(struct device_node *np,
                                     const char *propname);
 extern int of_device_is_compatible(const struct device_node *device,
@@ -350,6 +351,22 @@ static inline int of_machine_is_compatible(const char *compat)
 #define of_match_node(_matches, _node) NULL
 #endif /* CONFIG_OF */
 
+/**
+ * of_property_read_bool - Findfrom a property
+ * @np:                device node from which the property value is to be read.
+ * @propname:  name of the property to be searched.
+ *
+ * Search for a property in a device node.
+ * Returns true if the property exist false otherwise.
+ */
+static inline bool of_property_read_bool(const struct device_node *np,
+                                        const char *propname)
+{
+       struct property *prop = of_find_property(np, propname, NULL);
+
+       return prop ? true : false;
+}
+
 static inline int of_property_read_u32(const struct device_node *np,
                                       const char *propname,
                                       u32 *out_value)