diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c new file mode 100644 index 000000000000..0a7a3d50df6e --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c | |||
@@ -0,0 +1,63 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2012 Broadcom Corporation | ||
3 | * | ||
4 | * Permission to use, copy, modify, and/or distribute this software for any | ||
5 | * purpose with or without fee is hereby granted, provided that the above | ||
6 | * copyright notice and this permission notice appear in all copies. | ||
7 | * | ||
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | ||
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | ||
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | ||
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
15 | */ | ||
16 | #include <linux/debugfs.h> | ||
17 | #include <linux/if_ether.h> | ||
18 | #include <linux/if.h> | ||
19 | #include <linux/ieee80211.h> | ||
20 | |||
21 | #include <defs.h> | ||
22 | #include <brcmu_wifi.h> | ||
23 | #include <brcmu_utils.h> | ||
24 | #include "dhd.h" | ||
25 | #include "dhd_bus.h" | ||
26 | |||
27 | static struct dentry *root_folder; | ||
28 | |||
29 | void brcmf_debugfs_init(void) | ||
30 | { | ||
31 | root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL); | ||
32 | if (IS_ERR(root_folder)) | ||
33 | root_folder = NULL; | ||
34 | } | ||
35 | |||
36 | void brcmf_debugfs_exit(void) | ||
37 | { | ||
38 | if (!root_folder) | ||
39 | return; | ||
40 | |||
41 | debugfs_remove_recursive(root_folder); | ||
42 | root_folder = NULL; | ||
43 | } | ||
44 | |||
45 | int brcmf_debugfs_attach(struct brcmf_pub *drvr) | ||
46 | { | ||
47 | if (!root_folder) | ||
48 | return -ENODEV; | ||
49 | |||
50 | drvr->dbgfs_dir = debugfs_create_dir(dev_name(drvr->dev), root_folder); | ||
51 | return PTR_RET(drvr->dbgfs_dir); | ||
52 | } | ||
53 | |||
54 | void brcmf_debugfs_detach(struct brcmf_pub *drvr) | ||
55 | { | ||
56 | if (!IS_ERR_OR_NULL(drvr->dbgfs_dir)) | ||
57 | debugfs_remove_recursive(drvr->dbgfs_dir); | ||
58 | } | ||
59 | |||
60 | struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr) | ||
61 | { | ||
62 | return drvr->dbgfs_dir; | ||
63 | } | ||