of: *node argument to of_parse_phandle_with_args should be const

The "struct device_node *" argument of of_parse_phandle_with_args() can
be const. Making this change makes it explicit that the function will
not modify a node.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
[grant.likely: Resolved conflict with previous patch modifying of_parse_phandle()]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 538e3cfad23..be846408dbc 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1025,7 +1025,7 @@ EXPORT_SYMBOL(of_parse_phandle);
  * To get a device_node of the `node2' node you may call this:
  * of_parse_phandle_with_args(node3, "list", "#list-cells", 1, &args);
  */
-int of_parse_phandle_with_args(struct device_node *np, const char *list_name,
+int of_parse_phandle_with_args(const struct device_node *np, const char *list_name,
                                 const char *cells_name, int index,
                                 struct of_phandle_args *out_args)
 {
diff --git a/include/linux/of.h b/include/linux/of.h
index 60053bd7e79..6cfea9aa401 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -273,7 +273,7 @@ extern int of_modalias_node(struct device_node *node, char *modalias, int len);
 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,
+extern int of_parse_phandle_with_args(const struct device_node *np,
         const char *list_name, const char *cells_name, int index,
         struct of_phandle_args *out_args);