dt: add empty of_property_read_u32[_array] for non-dt
The patch adds empty functions of_property_read_u32 and
of_property_read_u32_array for non-dt build, so that drivers
migrating to dt can save some '#ifdef CONFIG_OF'.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
[grant.likely: Moved things around so only one new static inline is needed]
[grant.likely: Added _string variant]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/include/linux/of.h b/include/linux/of.h
index b5f1c88..bd716f8 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -200,13 +200,6 @@
u32 *out_values,
size_t sz);
-static inline int of_property_read_u32(const struct device_node *np,
- char *propname,
- u32 *out_value)
-{
- return of_property_read_u32_array(np, propname, out_value, 1);
-}
-
extern int of_property_read_string(struct device_node *np, char *propname,
const char **out_string);
extern int of_device_is_compatible(const struct device_node *device,
@@ -241,12 +234,32 @@
extern void of_detach_node(struct device_node *);
#endif
-#else
+#else /* CONFIG_OF */
static inline bool of_have_populated_dt(void)
{
return false;
}
+static inline int of_property_read_u32_array(const struct device_node *np,
+ char *propname, u32 *out_values, size_t sz)
+{
+ return -ENOSYS;
+}
+
+static inline int of_property_read_string(struct device_node *np,
+ char *propname, const char **out_string)
+{
+ return -ENOSYS;
+}
+
#endif /* CONFIG_OF */
+
+static inline int of_property_read_u32(const struct device_node *np,
+ char *propname,
+ u32 *out_value)
+{
+ return of_property_read_u32_array(np, propname, out_value, 1);
+}
+
#endif /* _LINUX_OF_H */