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 fa7fb1d974589e001a637d0777cd4e856922d68b..e3f942d9da89ba4cdf47cb7c3dc2ddb629699836 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -259,6 +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)
@@ -349,6 +380,10 @@ 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 */
 
 /**