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
qtnf_debugfs_init(struct qtnf_bus * bus,const char * name)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
qtnf_debugfs_remove(struct qtnf_bus * bus)32 void qtnf_debugfs_remove(struct qtnf_bus *bus)
33 {
34 debugfs_remove_recursive(bus->dbg_dir);
35 bus->dbg_dir = NULL;
36 }
37
qtnf_debugfs_add_entry(struct qtnf_bus * bus,const char * name,int (* fn)(struct seq_file * seq,void * data))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
