Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Linux WiMAX
4 * Debugfs support
5 *
6 * Copyright (C) 2005-2006 Intel Corporation <linux-wimax@intel.com>
7 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
8 */
9#include <linux/debugfs.h>
10#include <linux/wimax.h>
11#include "wimax-internal.h"
12
13#define D_SUBMODULE debugfs
14#include "debug-levels.h"
15
16
17#define __debugfs_register(prefix, name, parent) \
18do { \
19 result = d_level_register_debugfs(prefix, name, parent); \
20 if (result < 0) \
21 goto error; \
22} while (0)
23
24
25int wimax_debugfs_add(struct wimax_dev *wimax_dev)
26{
27 int result;
28 struct net_device *net_dev = wimax_dev->net_dev;
29 struct device *dev = net_dev->dev.parent;
30 struct dentry *dentry;
31 char buf[128];
32
33 snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name);
34 dentry = debugfs_create_dir(buf, NULL);
35 result = PTR_ERR(dentry);
36 if (IS_ERR(dentry)) {
37 if (result == -ENODEV)
38 result = 0; /* No debugfs support */
39 else
40 dev_err(dev, "Can't create debugfs dentry: %d\n",
41 result);
42 goto out;
43 }
44 wimax_dev->debugfs_dentry = dentry;
45 __debugfs_register("wimax_dl_", debugfs, dentry);
46 __debugfs_register("wimax_dl_", id_table, dentry);
47 __debugfs_register("wimax_dl_", op_msg, dentry);
48 __debugfs_register("wimax_dl_", op_reset, dentry);
49 __debugfs_register("wimax_dl_", op_rfkill, dentry);
50 __debugfs_register("wimax_dl_", op_state_get, dentry);
51 __debugfs_register("wimax_dl_", stack, dentry);
52 result = 0;
53out:
54 return result;
55
56error:
57 debugfs_remove_recursive(wimax_dev->debugfs_dentry);
58 return result;
59}
60
61void wimax_debugfs_rm(struct wimax_dev *wimax_dev)
62{
63 debugfs_remove_recursive(wimax_dev->debugfs_dentry);
64}