[PATCH v2 2/2] of: property: use unsigned int return on of_graph_get_endpoint_count()

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

Because of of_graph_get_endpoint_count() doesn't report error,
just return count of endpoint, the return type should be unsigned.
Tidyup it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
 drivers/of/property.c    | 4 ++--
 include/linux/of_graph.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 9291759c8228..c9ed7b5ec2f1 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -817,10 +817,10 @@ EXPORT_SYMBOL(of_graph_get_remote_port);
  *
  * Return: count of endpoint of this device node
  */
-int of_graph_get_endpoint_count(const struct device_node *np)
+unsigned int of_graph_get_endpoint_count(const struct device_node *np)
 {
 	struct device_node *endpoint;
-	int num = 0;
+	unsigned int num = 0;
 
 	for_each_endpoint_of_node(np, endpoint)
 		num++;
diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h
index 4d7756087b6b..a4bea62bfa29 100644
--- a/include/linux/of_graph.h
+++ b/include/linux/of_graph.h
@@ -41,7 +41,7 @@ struct of_endpoint {
 bool of_graph_is_present(const struct device_node *node);
 int of_graph_parse_endpoint(const struct device_node *node,
 				struct of_endpoint *endpoint);
-int of_graph_get_endpoint_count(const struct device_node *np);
+unsigned int of_graph_get_endpoint_count(const struct device_node *np);
 struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id);
 struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
 					struct device_node *previous);
@@ -68,7 +68,7 @@ static inline int of_graph_parse_endpoint(const struct device_node *node,
 	return -ENOSYS;
 }
 
-static inline int of_graph_get_endpoint_count(const struct device_node *np)
+static inline unsigned int of_graph_get_endpoint_count(const struct device_node *np)
 {
 	return 0;
 }
-- 
2.25.1