of: add 'const' for of_parse_phandle parameter *np
The existing function does not change the passed device_node pointer. It is
only handed to of_get_property which itself takes a const struct device_node.
of_parse_phandle() can therefore take a const pointer as well.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
[grant.likely: drop extraneous whitespace change]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 0ceb26a..c372411 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -978,8 +978,8 @@
* Returns the device_node pointer with refcount incremented. Use
* of_node_put() on it when done.
*/
-struct device_node *
-of_parse_phandle(struct device_node *np, const char *phandle_name, int index)
+struct device_node *of_parse_phandle(const struct device_node *np,
+ const char *phandle_name, int index)
{
const __be32 *phandle;
int size;
diff --git a/include/linux/of.h b/include/linux/of.h
index 13e0aac..7337dc1 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -270,7 +270,7 @@
extern const struct of_device_id *of_match_node(
const struct of_device_id *matches, const struct device_node *node);
extern int of_modalias_node(struct device_node *node, char *modalias, int len);
-extern struct device_node *of_parse_phandle(struct device_node *np,
+extern struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name,
int index);
extern int of_parse_phandle_with_args(struct device_node *np,
@@ -438,7 +438,7 @@
return -ENOSYS;
}
-static inline struct device_node *of_parse_phandle(struct device_node *np,
+static inline struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name,
int index)
{