[PATCH 5/6] dt: add empty of_property_read_u32[_array] for non-dt

[Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

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-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Cc: Thomas Abraham <thomas.abraham-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
---
 include/linux/of.h |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/include/linux/of.h b/include/linux/of.h
index 4761046..4ef636e 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -255,5 +255,20 @@ 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_u32(const struct device_node *np,
+				       char *propname,
+				       u32 *out_value)
+{
+	return -ENOSYS;
+}
+
 #endif /* CONFIG_OF */
 #endif /* _LINUX_OF_H */
-- 
1.7.4.1