Commit | Line | Data |
---|---|---|
bb9f8692 ZY |
1 | /* |
2 | * Intel Wireless Multicomm 3200 WiFi driver | |
3 | * | |
4 | * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com> | |
5 | * Samuel Ortiz <samuel.ortiz@intel.com> | |
6 | * Zhu Yi <yi.zhu@intel.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License version | |
10 | * 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | * | |
22 | */ | |
23 | ||
5a0e3ad6 | 24 | #include <linux/slab.h> |
bb9f8692 ZY |
25 | #include <linux/kernel.h> |
26 | #include <linux/bitops.h> | |
27 | #include <linux/debugfs.h> | |
ee40fa06 | 28 | #include <linux/export.h> |
bb9f8692 ZY |
29 | |
30 | #include "iwm.h" | |
31 | #include "bus.h" | |
32 | #include "rx.h" | |
33 | #include "debug.h" | |
34 | ||
35 | static struct { | |
36 | u8 id; | |
37 | char *name; | |
38 | } iwm_debug_module[__IWM_DM_NR] = { | |
39 | {IWM_DM_BOOT, "boot"}, | |
40 | {IWM_DM_FW, "fw"}, | |
41 | {IWM_DM_SDIO, "sdio"}, | |
42 | {IWM_DM_NTF, "ntf"}, | |
43 | {IWM_DM_RX, "rx"}, | |
44 | {IWM_DM_TX, "tx"}, | |
45 | {IWM_DM_MLME, "mlme"}, | |
46 | {IWM_DM_CMD, "cmd"}, | |
47 | {IWM_DM_WEXT, "wext"}, | |
48 | }; | |
49 | ||
50 | #define add_dbg_module(dbg, name, id, initlevel) \ | |
51 | do { \ | |
bb9f8692 | 52 | dbg.dbg_module[id] = (initlevel); \ |
1f55c12c JL |
53 | dbg.dbg_module_dentries[id] = \ |
54 | debugfs_create_x8(name, 0600, \ | |
55 | dbg.dbgdir, \ | |
56 | &(dbg.dbg_module[id])); \ | |
bb9f8692 ZY |
57 | } while (0) |
58 | ||
59 | static int iwm_debugfs_u32_read(void *data, u64 *val) | |
60 | { | |
61 | struct iwm_priv *iwm = data; | |
62 | ||
63 | *val = iwm->dbg.dbg_level; | |
64 | return 0; | |
65 | } | |
66 | ||
67 | static int iwm_debugfs_dbg_level_write(void *data, u64 val) | |
68 | { | |
69 | struct iwm_priv *iwm = data; | |
70 | int i; | |
71 | ||
72 | iwm->dbg.dbg_level = val; | |
73 | ||
74 | for (i = 0; i < __IWM_DM_NR; i++) | |
75 | iwm->dbg.dbg_module[i] = val; | |
76 | ||
77 | return 0; | |
78 | } | |
79 | DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_level, | |
80 | iwm_debugfs_u32_read, iwm_debugfs_dbg_level_write, | |
81 | "%llu\n"); | |
82 | ||
83 | static int iwm_debugfs_dbg_modules_write(void *data, u64 val) | |
84 | { | |
85 | struct iwm_priv *iwm = data; | |
86 | int i, bit; | |
87 | ||
88 | iwm->dbg.dbg_modules = val; | |
89 | ||
90 | for (i = 0; i < __IWM_DM_NR; i++) | |
91 | iwm->dbg.dbg_module[i] = 0; | |
92 | ||
984b3f57 | 93 | for_each_set_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR) |
bb9f8692 ZY |
94 | iwm->dbg.dbg_module[bit] = iwm->dbg.dbg_level; |
95 | ||
96 | return 0; | |
97 | } | |
98 | DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules, | |
99 | iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write, | |
100 | "%llu\n"); | |
101 | ||
04e715cd | 102 | static int iwm_generic_open(struct inode *inode, struct file *filp) |
bb9f8692 ZY |
103 | { |
104 | filp->private_data = inode->i_private; | |
105 | return 0; | |
106 | } | |
107 | ||
108 | ||
109 | static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer, | |
110 | size_t count, loff_t *ppos) | |
111 | { | |
112 | struct iwm_priv *iwm = filp->private_data; | |
113 | char *buf; | |
114 | int i, buf_len = 4096; | |
115 | size_t len = 0; | |
116 | ssize_t ret; | |
117 | ||
118 | if (*ppos != 0) | |
119 | return 0; | |
120 | if (count < sizeof(buf)) | |
121 | return -ENOSPC; | |
122 | ||
123 | buf = kzalloc(buf_len, GFP_KERNEL); | |
124 | if (!buf) | |
125 | return -ENOMEM; | |
126 | ||
127 | for (i = 0; i < IWM_TX_QUEUES; i++) { | |
128 | struct iwm_tx_queue *txq = &iwm->txq[i]; | |
129 | struct sk_buff *skb; | |
130 | int j; | |
131 | unsigned long flags; | |
132 | ||
133 | spin_lock_irqsave(&txq->queue.lock, flags); | |
134 | ||
135 | skb = (struct sk_buff *)&txq->queue; | |
136 | ||
137 | len += snprintf(buf + len, buf_len - len, "TXQ #%d\n", i); | |
138 | len += snprintf(buf + len, buf_len - len, "\tStopped: %d\n", | |
139 | __netif_subqueue_stopped(iwm_to_ndev(iwm), | |
140 | txq->id)); | |
141 | len += snprintf(buf + len, buf_len - len, "\tConcat count:%d\n", | |
142 | txq->concat_count); | |
143 | len += snprintf(buf + len, buf_len - len, "\tQueue len: %d\n", | |
144 | skb_queue_len(&txq->queue)); | |
145 | for (j = 0; j < skb_queue_len(&txq->queue); j++) { | |
146 | struct iwm_tx_info *tx_info; | |
147 | ||
148 | skb = skb->next; | |
149 | tx_info = skb_to_tx_info(skb); | |
150 | ||
151 | len += snprintf(buf + len, buf_len - len, | |
152 | "\tSKB #%d\n", j); | |
153 | len += snprintf(buf + len, buf_len - len, | |
154 | "\t\tsta: %d\n", tx_info->sta); | |
155 | len += snprintf(buf + len, buf_len - len, | |
156 | "\t\tcolor: %d\n", tx_info->color); | |
157 | len += snprintf(buf + len, buf_len - len, | |
158 | "\t\ttid: %d\n", tx_info->tid); | |
159 | } | |
160 | ||
161 | spin_unlock_irqrestore(&txq->queue.lock, flags); | |
b136b3a2 SO |
162 | |
163 | spin_lock_irqsave(&txq->stopped_queue.lock, flags); | |
164 | ||
165 | len += snprintf(buf + len, buf_len - len, | |
166 | "\tStopped Queue len: %d\n", | |
167 | skb_queue_len(&txq->stopped_queue)); | |
168 | for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) { | |
169 | struct iwm_tx_info *tx_info; | |
170 | ||
171 | skb = skb->next; | |
172 | tx_info = skb_to_tx_info(skb); | |
173 | ||
174 | len += snprintf(buf + len, buf_len - len, | |
175 | "\tSKB #%d\n", j); | |
176 | len += snprintf(buf + len, buf_len - len, | |
177 | "\t\tsta: %d\n", tx_info->sta); | |
178 | len += snprintf(buf + len, buf_len - len, | |
179 | "\t\tcolor: %d\n", tx_info->color); | |
180 | len += snprintf(buf + len, buf_len - len, | |
181 | "\t\ttid: %d\n", tx_info->tid); | |
182 | } | |
183 | ||
184 | spin_unlock_irqrestore(&txq->stopped_queue.lock, flags); | |
bb9f8692 ZY |
185 | } |
186 | ||
187 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
188 | kfree(buf); | |
189 | ||
190 | return ret; | |
191 | } | |
192 | ||
193 | static ssize_t iwm_debugfs_tx_credit_read(struct file *filp, | |
194 | char __user *buffer, | |
195 | size_t count, loff_t *ppos) | |
196 | { | |
197 | struct iwm_priv *iwm = filp->private_data; | |
198 | struct iwm_tx_credit *credit = &iwm->tx_credit; | |
199 | char *buf; | |
200 | int i, buf_len = 4096; | |
201 | size_t len = 0; | |
202 | ssize_t ret; | |
203 | ||
204 | if (*ppos != 0) | |
205 | return 0; | |
206 | if (count < sizeof(buf)) | |
207 | return -ENOSPC; | |
208 | ||
209 | buf = kzalloc(buf_len, GFP_KERNEL); | |
210 | if (!buf) | |
211 | return -ENOMEM; | |
212 | ||
213 | len += snprintf(buf + len, buf_len - len, | |
214 | "NR pools: %d\n", credit->pool_nr); | |
215 | len += snprintf(buf + len, buf_len - len, | |
216 | "pools map: 0x%lx\n", credit->full_pools_map); | |
217 | ||
218 | len += snprintf(buf + len, buf_len - len, "\n### POOLS ###\n"); | |
219 | for (i = 0; i < IWM_MACS_OUT_GROUPS; i++) { | |
220 | len += snprintf(buf + len, buf_len - len, | |
221 | "pools entry #%d\n", i); | |
222 | len += snprintf(buf + len, buf_len - len, | |
223 | "\tid: %d\n", | |
224 | credit->pools[i].id); | |
225 | len += snprintf(buf + len, buf_len - len, | |
226 | "\tsid: %d\n", | |
227 | credit->pools[i].sid); | |
228 | len += snprintf(buf + len, buf_len - len, | |
229 | "\tmin_pages: %d\n", | |
230 | credit->pools[i].min_pages); | |
231 | len += snprintf(buf + len, buf_len - len, | |
232 | "\tmax_pages: %d\n", | |
233 | credit->pools[i].max_pages); | |
234 | len += snprintf(buf + len, buf_len - len, | |
235 | "\talloc_pages: %d\n", | |
236 | credit->pools[i].alloc_pages); | |
237 | len += snprintf(buf + len, buf_len - len, | |
238 | "\tfreed_pages: %d\n", | |
239 | credit->pools[i].total_freed_pages); | |
240 | } | |
241 | ||
242 | len += snprintf(buf + len, buf_len - len, "\n### SPOOLS ###\n"); | |
243 | for (i = 0; i < IWM_MACS_OUT_SGROUPS; i++) { | |
244 | len += snprintf(buf + len, buf_len - len, | |
245 | "spools entry #%d\n", i); | |
246 | len += snprintf(buf + len, buf_len - len, | |
247 | "\tid: %d\n", | |
248 | credit->spools[i].id); | |
249 | len += snprintf(buf + len, buf_len - len, | |
250 | "\tmax_pages: %d\n", | |
251 | credit->spools[i].max_pages); | |
252 | len += snprintf(buf + len, buf_len - len, | |
253 | "\talloc_pages: %d\n", | |
254 | credit->spools[i].alloc_pages); | |
255 | ||
256 | } | |
257 | ||
258 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
259 | kfree(buf); | |
260 | ||
261 | return ret; | |
262 | } | |
263 | ||
264 | static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp, | |
265 | char __user *buffer, | |
266 | size_t count, loff_t *ppos) | |
267 | { | |
268 | struct iwm_priv *iwm = filp->private_data; | |
04d1c227 | 269 | struct iwm_rx_ticket_node *ticket; |
bb9f8692 ZY |
270 | char *buf; |
271 | int buf_len = 4096, i; | |
272 | size_t len = 0; | |
273 | ssize_t ret; | |
274 | ||
275 | if (*ppos != 0) | |
276 | return 0; | |
277 | if (count < sizeof(buf)) | |
278 | return -ENOSPC; | |
279 | ||
280 | buf = kzalloc(buf_len, GFP_KERNEL); | |
281 | if (!buf) | |
282 | return -ENOMEM; | |
283 | ||
c03c6aef | 284 | spin_lock(&iwm->ticket_lock); |
04d1c227 | 285 | list_for_each_entry(ticket, &iwm->rx_tickets, node) { |
bb9f8692 ZY |
286 | len += snprintf(buf + len, buf_len - len, "Ticket #%d\n", |
287 | ticket->ticket->id); | |
288 | len += snprintf(buf + len, buf_len - len, "\taction: 0x%x\n", | |
289 | ticket->ticket->action); | |
290 | len += snprintf(buf + len, buf_len - len, "\tflags: 0x%x\n", | |
291 | ticket->ticket->flags); | |
292 | } | |
c03c6aef | 293 | spin_unlock(&iwm->ticket_lock); |
bb9f8692 ZY |
294 | |
295 | for (i = 0; i < IWM_RX_ID_HASH; i++) { | |
04d1c227 | 296 | struct iwm_rx_packet *packet; |
bb9f8692 | 297 | struct list_head *pkt_list = &iwm->rx_packets[i]; |
04d1c227 | 298 | |
bb9f8692 ZY |
299 | if (!list_empty(pkt_list)) { |
300 | len += snprintf(buf + len, buf_len - len, | |
301 | "Packet hash #%d\n", i); | |
c03c6aef | 302 | spin_lock(&iwm->packet_lock[i]); |
04d1c227 | 303 | list_for_each_entry(packet, pkt_list, node) { |
bb9f8692 ZY |
304 | len += snprintf(buf + len, buf_len - len, |
305 | "\tPacket id: %d\n", | |
306 | packet->id); | |
307 | len += snprintf(buf + len, buf_len - len, | |
308 | "\tPacket length: %lu\n", | |
309 | packet->pkt_size); | |
310 | } | |
c03c6aef | 311 | spin_unlock(&iwm->packet_lock[i]); |
bb9f8692 ZY |
312 | } |
313 | } | |
314 | ||
315 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
316 | kfree(buf); | |
317 | ||
318 | return ret; | |
319 | } | |
320 | ||
04e715cd SO |
321 | static ssize_t iwm_debugfs_fw_err_read(struct file *filp, |
322 | char __user *buffer, | |
323 | size_t count, loff_t *ppos) | |
324 | { | |
325 | ||
326 | struct iwm_priv *iwm = filp->private_data; | |
327 | char buf[512]; | |
328 | int buf_len = 512; | |
329 | size_t len = 0; | |
330 | ||
331 | if (*ppos != 0) | |
332 | return 0; | |
333 | if (count < sizeof(buf)) | |
334 | return -ENOSPC; | |
335 | ||
336 | if (!iwm->last_fw_err) | |
337 | return -ENOMEM; | |
338 | ||
339 | if (iwm->last_fw_err->line_num == 0) | |
340 | goto out; | |
341 | ||
342 | len += snprintf(buf + len, buf_len - len, "%cMAC FW ERROR:\n", | |
343 | (le32_to_cpu(iwm->last_fw_err->category) == UMAC_SYS_ERR_CAT_LMAC) | |
344 | ? 'L' : 'U'); | |
345 | len += snprintf(buf + len, buf_len - len, | |
346 | "\tCategory: %d\n", | |
347 | le32_to_cpu(iwm->last_fw_err->category)); | |
348 | ||
349 | len += snprintf(buf + len, buf_len - len, | |
350 | "\tStatus: 0x%x\n", | |
351 | le32_to_cpu(iwm->last_fw_err->status)); | |
352 | ||
353 | len += snprintf(buf + len, buf_len - len, | |
354 | "\tPC: 0x%x\n", | |
355 | le32_to_cpu(iwm->last_fw_err->pc)); | |
356 | ||
357 | len += snprintf(buf + len, buf_len - len, | |
358 | "\tblink1: %d\n", | |
359 | le32_to_cpu(iwm->last_fw_err->blink1)); | |
360 | ||
361 | len += snprintf(buf + len, buf_len - len, | |
362 | "\tblink2: %d\n", | |
363 | le32_to_cpu(iwm->last_fw_err->blink2)); | |
364 | ||
365 | len += snprintf(buf + len, buf_len - len, | |
366 | "\tilink1: %d\n", | |
367 | le32_to_cpu(iwm->last_fw_err->ilink1)); | |
368 | ||
369 | len += snprintf(buf + len, buf_len - len, | |
370 | "\tilink2: %d\n", | |
371 | le32_to_cpu(iwm->last_fw_err->ilink2)); | |
372 | ||
373 | len += snprintf(buf + len, buf_len - len, | |
374 | "\tData1: 0x%x\n", | |
375 | le32_to_cpu(iwm->last_fw_err->data1)); | |
376 | ||
377 | len += snprintf(buf + len, buf_len - len, | |
378 | "\tData2: 0x%x\n", | |
379 | le32_to_cpu(iwm->last_fw_err->data2)); | |
380 | ||
381 | len += snprintf(buf + len, buf_len - len, | |
382 | "\tLine number: %d\n", | |
383 | le32_to_cpu(iwm->last_fw_err->line_num)); | |
384 | ||
385 | len += snprintf(buf + len, buf_len - len, | |
386 | "\tUMAC status: 0x%x\n", | |
387 | le32_to_cpu(iwm->last_fw_err->umac_status)); | |
388 | ||
389 | len += snprintf(buf + len, buf_len - len, | |
390 | "\tLMAC status: 0x%x\n", | |
391 | le32_to_cpu(iwm->last_fw_err->lmac_status)); | |
392 | ||
393 | len += snprintf(buf + len, buf_len - len, | |
394 | "\tSDIO status: 0x%x\n", | |
395 | le32_to_cpu(iwm->last_fw_err->sdio_status)); | |
396 | ||
397 | out: | |
398 | ||
399 | return simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
400 | } | |
bb9f8692 ZY |
401 | |
402 | static const struct file_operations iwm_debugfs_txq_fops = { | |
403 | .owner = THIS_MODULE, | |
04e715cd | 404 | .open = iwm_generic_open, |
bb9f8692 | 405 | .read = iwm_debugfs_txq_read, |
6038f373 | 406 | .llseek = default_llseek, |
bb9f8692 ZY |
407 | }; |
408 | ||
409 | static const struct file_operations iwm_debugfs_tx_credit_fops = { | |
410 | .owner = THIS_MODULE, | |
04e715cd | 411 | .open = iwm_generic_open, |
bb9f8692 | 412 | .read = iwm_debugfs_tx_credit_read, |
6038f373 | 413 | .llseek = default_llseek, |
bb9f8692 ZY |
414 | }; |
415 | ||
416 | static const struct file_operations iwm_debugfs_rx_ticket_fops = { | |
417 | .owner = THIS_MODULE, | |
04e715cd | 418 | .open = iwm_generic_open, |
bb9f8692 | 419 | .read = iwm_debugfs_rx_ticket_read, |
6038f373 | 420 | .llseek = default_llseek, |
bb9f8692 ZY |
421 | }; |
422 | ||
04e715cd SO |
423 | static const struct file_operations iwm_debugfs_fw_err_fops = { |
424 | .owner = THIS_MODULE, | |
425 | .open = iwm_generic_open, | |
426 | .read = iwm_debugfs_fw_err_read, | |
6038f373 | 427 | .llseek = default_llseek, |
04e715cd SO |
428 | }; |
429 | ||
1f55c12c | 430 | void iwm_debugfs_init(struct iwm_priv *iwm) |
bb9f8692 | 431 | { |
1f55c12c | 432 | int i; |
bb9f8692 ZY |
433 | |
434 | iwm->dbg.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
1f55c12c JL |
435 | iwm->dbg.devdir = debugfs_create_dir(wiphy_name(iwm_to_wiphy(iwm)), |
436 | iwm->dbg.rootdir); | |
bb9f8692 | 437 | iwm->dbg.dbgdir = debugfs_create_dir("debug", iwm->dbg.devdir); |
bb9f8692 | 438 | iwm->dbg.rxdir = debugfs_create_dir("rx", iwm->dbg.devdir); |
bb9f8692 | 439 | iwm->dbg.txdir = debugfs_create_dir("tx", iwm->dbg.devdir); |
bb9f8692 | 440 | iwm->dbg.busdir = debugfs_create_dir("bus", iwm->dbg.devdir); |
1f55c12c JL |
441 | if (iwm->bus_ops->debugfs_init) |
442 | iwm->bus_ops->debugfs_init(iwm, iwm->dbg.busdir); | |
bb9f8692 ZY |
443 | |
444 | iwm->dbg.dbg_level = IWM_DL_NONE; | |
445 | iwm->dbg.dbg_level_dentry = | |
446 | debugfs_create_file("level", 0200, iwm->dbg.dbgdir, iwm, | |
447 | &fops_iwm_dbg_level); | |
bb9f8692 ZY |
448 | |
449 | iwm->dbg.dbg_modules = IWM_DM_DEFAULT; | |
450 | iwm->dbg.dbg_modules_dentry = | |
451 | debugfs_create_file("modules", 0200, iwm->dbg.dbgdir, iwm, | |
452 | &fops_iwm_dbg_modules); | |
bb9f8692 ZY |
453 | |
454 | for (i = 0; i < __IWM_DM_NR; i++) | |
455 | add_dbg_module(iwm->dbg, iwm_debug_module[i].name, | |
456 | iwm_debug_module[i].id, IWM_DL_DEFAULT); | |
457 | ||
458 | iwm->dbg.txq_dentry = debugfs_create_file("queues", 0200, | |
459 | iwm->dbg.txdir, iwm, | |
460 | &iwm_debugfs_txq_fops); | |
bb9f8692 ZY |
461 | iwm->dbg.tx_credit_dentry = debugfs_create_file("credits", 0200, |
462 | iwm->dbg.txdir, iwm, | |
463 | &iwm_debugfs_tx_credit_fops); | |
bb9f8692 ZY |
464 | iwm->dbg.rx_ticket_dentry = debugfs_create_file("tickets", 0200, |
465 | iwm->dbg.rxdir, iwm, | |
466 | &iwm_debugfs_rx_ticket_fops); | |
04e715cd SO |
467 | iwm->dbg.fw_err_dentry = debugfs_create_file("last_fw_err", 0200, |
468 | iwm->dbg.dbgdir, iwm, | |
469 | &iwm_debugfs_fw_err_fops); | |
bb9f8692 ZY |
470 | } |
471 | ||
472 | void iwm_debugfs_exit(struct iwm_priv *iwm) | |
473 | { | |
474 | int i; | |
475 | ||
476 | for (i = 0; i < __IWM_DM_NR; i++) | |
477 | debugfs_remove(iwm->dbg.dbg_module_dentries[i]); | |
478 | ||
479 | debugfs_remove(iwm->dbg.dbg_modules_dentry); | |
480 | debugfs_remove(iwm->dbg.dbg_level_dentry); | |
481 | debugfs_remove(iwm->dbg.txq_dentry); | |
482 | debugfs_remove(iwm->dbg.tx_credit_dentry); | |
483 | debugfs_remove(iwm->dbg.rx_ticket_dentry); | |
04e715cd | 484 | debugfs_remove(iwm->dbg.fw_err_dentry); |
bb9f8692 ZY |
485 | if (iwm->bus_ops->debugfs_exit) |
486 | iwm->bus_ops->debugfs_exit(iwm); | |
487 | ||
488 | debugfs_remove(iwm->dbg.busdir); | |
489 | debugfs_remove(iwm->dbg.dbgdir); | |
490 | debugfs_remove(iwm->dbg.txdir); | |
491 | debugfs_remove(iwm->dbg.rxdir); | |
492 | debugfs_remove(iwm->dbg.devdir); | |
493 | debugfs_remove(iwm->dbg.rootdir); | |
494 | } |