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> --- 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 4e879faa1710..66834f85b0ff 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