ASoC: audio-graph-card2: Use helper function of_get_child_count()

of_get_child_count() can help to get the num of child directly and we
don't need to manually count the child num. No functional change with
this conversion.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20240827070650.11424-3-zhangzekun11@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c
index 56f7f946882e831cc4474c86b31f69e15de1549a..ebbe12692f57e02789d39667526420446aa8116f 100644 (file)
--- a/sound/soc/generic/audio-graph-card2.c
+++ b/sound/soc/generic/audio-graph-card2.c
@@ -1141,21 +1141,12 @@ static int graph_counter(struct device_node *lnk)
         */
        if (graph_lnk_is_multi(lnk)) {
                struct device_node *ports = port_to_ports(lnk);
-               struct device_node *port = NULL;
-               int cnt = 0;
 
                /*
                 * CPU/Codec = N:M case has many endpoints.
                 * We can't use of_graph_get_endpoint_count() here
                 */
-               while(1) {
-                       port = of_get_next_child(ports, port);
-                       if (!port)
-                               break;
-                       cnt++;
-               }
-
-               return cnt - 1;
+               return of_get_child_count(ports) - 1;
        }
        /*
         * Single CPU / Codec