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Some clean up with helper fucntion
Merge series from Zhang Zekun <zhangzekun11@huawei.com>: There are some helper functions which can be used to simplify the code. So, let's use these functions to make code more simple.
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commit
e328ab3de4
@ -361,7 +361,6 @@ static int __graph_for_each_link(struct simple_util_priv *priv,
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struct device *dev = simple_priv_to_dev(priv);
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struct device_node *node = dev->of_node;
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struct device_node *cpu_port;
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struct device_node *cpu_ep;
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struct device_node *codec_ep;
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struct device_node *codec_port;
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struct device_node *codec_port_old = NULL;
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@ -371,14 +370,9 @@ static int __graph_for_each_link(struct simple_util_priv *priv,
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/* loop for all listed CPU port */
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of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
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cpu_port = it.node;
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cpu_ep = NULL;
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/* loop for all CPU endpoint */
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while (1) {
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cpu_ep = of_get_next_child(cpu_port, cpu_ep);
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if (!cpu_ep)
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break;
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for_each_child_of_node_scoped(cpu_port, cpu_ep) {
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/* get codec */
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codec_ep = of_graph_get_remote_endpoint(cpu_ep);
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codec_port = ep_to_port(codec_ep);
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@ -408,10 +402,8 @@ static int __graph_for_each_link(struct simple_util_priv *priv,
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of_node_put(codec_ep);
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of_node_put(codec_port);
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if (ret < 0) {
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of_node_put(cpu_ep);
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if (ret < 0)
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return ret;
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}
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codec_port_old = codec_port;
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}
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@ -1139,21 +1139,12 @@ static int graph_counter(struct device_node *lnk)
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*/
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if (graph_lnk_is_multi(lnk)) {
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struct device_node *ports = port_to_ports(lnk);
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struct device_node *port = NULL;
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int cnt = 0;
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/*
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* CPU/Codec = N:M case has many endpoints.
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* We can't use of_graph_get_endpoint_count() here
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*/
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while(1) {
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port = of_get_next_child(ports, port);
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if (!port)
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break;
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cnt++;
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}
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return cnt - 1;
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return of_get_child_count(ports) - 1;
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}
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/*
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* Single CPU / Codec
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