add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/powerpc/platforms/powermac/udbg_scc.c
..
..
@@ -1,12 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * udbg for zilog scc ports as found on Apple PowerMacs
3
4
  *
4
5
  * Copyright (C) 2001-2005 PPC 64 Team, IBM Corp
5
- *
6
- *      This program is free software; you can redistribute it and/or
7
- *      modify it under the terms of the GNU General Public License
8
- *      as published by the Free Software Foundation; either version
9
- *      2 of the License, or (at your option) any later version.
10
6
  */
11
7
 #include <linux/types.h>
12
8
 #include <asm/udbg.h>
..
..
@@ -84,10 +80,10 @@
84
80
 	path = of_get_property(of_chosen, "linux,stdout-path", NULL);
85
81
 	if (path != NULL)
86
82
 		stdout = of_find_node_by_path(path);
87
-	for (ch = NULL; (ch = of_get_next_child(escc, ch)) != NULL;) {
83
+	for_each_child_of_node(escc, ch) {
88
84
 		if (ch == stdout)
89
85
 			ch_def = of_node_get(ch);
90
-		if (strcmp(ch->name, "ch-a") == 0)
86
+		if (of_node_name_eq(ch, "ch-a"))
91
87
 			ch_a = of_node_get(ch);
92
88
 	}
93
89
 	if (ch_def == NULL && !force_scc)