Commit ac1e6958 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown

of_graph: add of_graph_get_endpoint_count()

OF graph want to count its endpoint number, same as
of_get_child_count(). This patch adds of_graph_get_endpoint_count()
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0ef472a9
......@@ -2559,6 +2559,18 @@ struct device_node *of_graph_get_remote_port(const struct device_node *node)
}
EXPORT_SYMBOL(of_graph_get_remote_port);
int of_graph_get_endpoint_count(const struct device_node *np)
{
struct device_node *endpoint;
int num = 0;
for_each_endpoint_of_node(np, endpoint)
num++;
return num;
}
EXPORT_SYMBOL(of_graph_get_endpoint_count);
/**
* of_graph_get_remote_node() - get remote parent device_node for given port/endpoint
* @node: pointer to parent device_node containing graph port/endpoint
......
......@@ -43,6 +43,7 @@ struct of_endpoint {
#ifdef CONFIG_OF
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);
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);
......@@ -64,6 +65,11 @@ 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)
{
return 0;
}
static inline struct device_node *of_graph_get_port_by_id(
struct device_node *node, u32 id)
{
......
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