dt: add empty for_each_child_of_node, of_find_property

The patch adds a couple empty functions for non-dt build, so that
drivers migrating to dt can save some '#ifdef CONFIG_OF'.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/include/linux/of.h b/include/linux/of.h
index 8b6383d876ca75ded7260898ae57beefea37b447..83a61f3b443c81fbed23722bc116d89bf6fe083f 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -249,6 +249,16 @@ static inline bool of_have_populated_dt(void)
        return false;
 }
 
+#define for_each_child_of_node(parent, child) \
+       while (0)
+
+static inline struct property *of_find_property(const struct device_node *np,
+                                               const char *name,
+                                               int *lenp)
+{
+       return NULL;
+}
+
 static inline int of_property_read_u32_array(const struct device_node *np,
                                             const char *propname,
                                             u32 *out_values, size_t sz)