Merge branch 'for-3.5/dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren...

[firefly-linux-kernel-4.4.55.git] / include / linux / of.h

diff --git a/include/linux/of.h b/include/linux/of.h
index d46a18ffbebbb6ca2cdd78344289627e99b76a78..e3f942d9da89ba4cdf47cb7c3dc2ddb629699836 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -58,9 +58,6 @@ struct device_node {
        struct  kref kref;
        unsigned long _flags;
        void    *data;
-#if defined(CONFIG_EEH)
-       struct eeh_dev *edev;
-#endif
 #if defined(CONFIG_SPARC)
        char    *path_component_name;
        unsigned int unique_id;
@@ -75,13 +72,6 @@ struct of_phandle_args {
        uint32_t args[MAX_PHANDLE_ARGS];
 };
 
-#if defined(CONFIG_EEH)
-static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn)
-{
-       return dn->edev;
-}
-#endif
-
 #ifdef CONFIG_OF_DYNAMIC
 extern struct device_node *of_node_get(struct device_node *node);
 extern void of_node_put(struct device_node *node);
@@ -269,6 +259,37 @@ extern void of_detach_node(struct device_node *);
 #endif
 
 #define of_match_ptr(_ptr)     (_ptr)
+
+/*
+ * struct property *prop;
+ * const __be32 *p;
+ * u32 u;
+ *
+ * of_property_for_each_u32(np, "propname", prop, p, u)
+ *         printk("U32 value: %x\n", u);
+ */
+const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur,
+                              u32 *pu);
+#define of_property_for_each_u32(np, propname, prop, p, u)     \
+       for (prop = of_find_property(np, propname, NULL),       \
+               p = of_prop_next_u32(prop, NULL, &u);           \
+               p;                                              \
+               p = of_prop_next_u32(prop, p, &u))
+
+/*
+ * struct property *prop;
+ * const char *s;
+ *
+ * of_property_for_each_string(np, "propname", prop, s)
+ *         printk("String value: %s\n", s);
+ */
+const char *of_prop_next_string(struct property *prop, const char *cur);
+#define of_property_for_each_string(np, propname, prop, s)     \
+       for (prop = of_find_property(np, propname, NULL),       \
+               s = of_prop_next_string(prop, NULL);            \
+               s;                                              \
+               s = of_prop_next_string(prop, s))
+
 #else /* CONFIG_OF */
 
 static inline bool of_have_populated_dt(void)
@@ -359,8 +380,28 @@ static inline int of_machine_is_compatible(const char *compat)
 
 #define of_match_ptr(_ptr)     NULL
 #define of_match_node(_matches, _node) NULL
+#define of_property_for_each_u32(np, propname, prop, p, u) \
+       while (0)
+#define of_property_for_each_string(np, propname, prop, s) \
+       while (0)
 #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)