1 /*
2  * Copyright (c) 2015-2016 Quantenna Communications, Inc.
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  */
16 
17 #include "debug.h"
18 
19 #undef pr_fmt
20 #define pr_fmt(fmt)	"qtnfmac dbg: %s: " fmt, __func__
21 
22 void qtnf_debugfs_init(struct qtnf_bus *bus, const char *name)
23 {
24 	bus->dbg_dir = debugfs_create_dir(name, NULL);
25 
26 	if (IS_ERR_OR_NULL(bus->dbg_dir)) {
27 		pr_warn("failed to create debugfs root dir\n");
28 		bus->dbg_dir = NULL;
29 	}
30 }
31 
32 void qtnf_debugfs_remove(struct qtnf_bus *bus)
33 {
34 	debugfs_remove_recursive(bus->dbg_dir);
35 	bus->dbg_dir = NULL;
36 }
37 
38 void qtnf_debugfs_add_entry(struct qtnf_bus *bus, const char *name,
39 			    int (*fn)(struct seq_file *seq, void *data))
40 {
41 	struct dentry *entry;
42 
43 	entry = debugfs_create_devm_seqfile(bus->dev, name, bus->dbg_dir, fn);
44 	if (IS_ERR_OR_NULL(entry))
45 		pr_warn("failed to add entry (%s)\n", name);
46 }
47