| Arend van Spriel | d319a7c | 2012-06-09 22:51:43 +0200 | [diff] [blame^] | 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 | } |