of: property: use unsigned int return on of_graph_get_endpoint_count()

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@renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/87plxbcvzb.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 455dda225556d02d39114a882df9eeffce541c0b..470d1eb5e56ddc5fd6a6df2eb1fc24af204aa4dd 100644 (file)
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -818,10 +818,10 @@ 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 4d7756087b6b666aac2fdb4a707b734682518d97..a4bea62bfa290a7c1693934ecc120d93b78d52d1 100644 (file)
--- 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;
 }