1 /******************************************************************************
5 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/debugfs.h>
33 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
38 #include "iwl-debug.h"
43 /* create and remove of files */
44 #define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
50 #define DEBUGFS_ADD_FILE(name, parent) do { \
51 dbgfs->dbgfs_##parent##_files.file_##name = \
52 debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \
53 &iwl_dbgfs_##name##_ops); \
54 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
58 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
59 dbgfs->dbgfs_##parent##_files.file_##name = \
60 debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \
61 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
62 || !dbgfs->dbgfs_##parent##_files.file_##name) \
66 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
67 dbgfs->dbgfs_##parent##_files.file_##name = \
68 debugfs_create_x32(#name, 0444, dbgfs->dir_##parent, ptr); \
69 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
70 || !dbgfs->dbgfs_##parent##_files.file_##name) \
74 #define DEBUGFS_REMOVE(name) do { \
75 debugfs_remove(name); \
80 #define DEBUGFS_READ_FUNC(name) \
81 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
82 char __user *user_buf, \
83 size_t count, loff_t *ppos);
85 #define DEBUGFS_WRITE_FUNC(name) \
86 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
87 const char __user *user_buf, \
88 size_t count, loff_t *ppos);
91 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
93 file->private_data = inode->i_private;
97 #define DEBUGFS_READ_FILE_OPS(name) \
98 DEBUGFS_READ_FUNC(name); \
99 static const struct file_operations iwl_dbgfs_##name##_ops = { \
100 .read = iwl_dbgfs_##name##_read, \
101 .open = iwl_dbgfs_open_file_generic, \
104 #define DEBUGFS_WRITE_FILE_OPS(name) \
105 DEBUGFS_WRITE_FUNC(name); \
106 static const struct file_operations iwl_dbgfs_##name##_ops = { \
107 .write = iwl_dbgfs_##name##_write, \
108 .open = iwl_dbgfs_open_file_generic, \
112 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
113 DEBUGFS_READ_FUNC(name); \
114 DEBUGFS_WRITE_FUNC(name); \
115 static const struct file_operations iwl_dbgfs_##name##_ops = { \
116 .write = iwl_dbgfs_##name##_write, \
117 .read = iwl_dbgfs_##name##_read, \
118 .open = iwl_dbgfs_open_file_generic, \
122 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
123 char __user *user_buf,
124 size_t count, loff_t *ppos) {
126 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
129 const size_t bufsz = sizeof(buf);
131 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
132 priv->tx_stats[0].cnt);
133 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
134 priv->tx_stats[1].cnt);
135 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
136 priv->tx_stats[2].cnt);
138 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
141 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
142 char __user *user_buf,
143 size_t count, loff_t *ppos) {
145 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
148 const size_t bufsz = sizeof(buf);
150 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
151 priv->rx_stats[0].cnt);
152 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
153 priv->rx_stats[1].cnt);
154 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
155 priv->rx_stats[2].cnt);
157 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
160 #define BYTE1_MASK 0x000000ff;
161 #define BYTE2_MASK 0x0000ffff;
162 #define BYTE3_MASK 0x00ffffff;
163 static ssize_t iwl_dbgfs_sram_read(struct file *file,
164 char __user *user_buf,
165 size_t count, loff_t *ppos)
172 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
173 const size_t bufsz = sizeof(buf);
175 iwl_grab_nic_access(priv);
176 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
177 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
178 priv->dbgfs->sram_len - i);
192 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
194 pos += scnprintf(buf + pos, bufsz - pos, "\n");
195 iwl_release_nic_access(priv);
197 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
201 static ssize_t iwl_dbgfs_sram_write(struct file *file,
202 const char __user *user_buf,
203 size_t count, loff_t *ppos)
205 struct iwl_priv *priv = file->private_data;
210 memset(buf, 0, sizeof(buf));
211 buf_size = min(count, sizeof(buf) - 1);
212 if (copy_from_user(buf, user_buf, buf_size))
215 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
216 priv->dbgfs->sram_offset = offset;
217 priv->dbgfs->sram_len = len;
219 priv->dbgfs->sram_offset = 0;
220 priv->dbgfs->sram_len = 0;
226 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
227 size_t count, loff_t *ppos)
229 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
230 struct iwl_station_entry *station;
231 int max_sta = priv->hw_params.max_stations;
235 /* Add 30 for initial string */
236 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
238 buf = kmalloc(bufsz, GFP_KERNEL);
242 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
245 for (i = 0; i < max_sta; i++) {
246 station = &priv->stations[i];
248 pos += scnprintf(buf + pos, bufsz - pos,
249 "station %d:\ngeneral data:\n", i+1);
250 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
251 station->sta.sta.sta_id);
252 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
254 pos += scnprintf(buf + pos, bufsz - pos,
256 station->sta.station_flags_msk);
257 pos += scnprintf(buf + pos, bufsz - pos,
258 "ps_status: %u\n", station->ps_status);
259 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
260 pos += scnprintf(buf + pos, bufsz - pos,
261 "seq_num\t\ttxq_id");
262 pos += scnprintf(buf + pos, bufsz - pos,
263 "\tframe_count\twait_for_ba\t");
264 pos += scnprintf(buf + pos, bufsz - pos,
265 "start_idx\tbitmap0\t");
266 pos += scnprintf(buf + pos, bufsz - pos,
267 "bitmap1\trate_n_flags");
268 pos += scnprintf(buf + pos, bufsz - pos, "\n");
270 for (j = 0; j < MAX_TID_COUNT; j++) {
271 pos += scnprintf(buf + pos, bufsz - pos,
273 station->tid[j].seq_number);
274 pos += scnprintf(buf + pos, bufsz - pos,
275 "\t%u\t\t%u\t\t%u\t\t",
276 station->tid[j].agg.txq_id,
277 station->tid[j].agg.frame_count,
278 station->tid[j].agg.wait_for_ba);
279 pos += scnprintf(buf + pos, bufsz - pos,
281 station->tid[j].agg.start_idx,
282 (unsigned long long)station->tid[j].agg.bitmap,
283 station->tid[j].agg.rate_n_flags);
284 pos += scnprintf(buf + pos, bufsz - pos, "\n");
286 pos += scnprintf(buf + pos, bufsz - pos, "\n");
290 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
295 static ssize_t iwl_dbgfs_eeprom_read(struct file *file,
296 char __user *user_buf,
301 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
302 int pos = 0, ofs = 0, buf_size = 0;
305 size_t eeprom_len = priv->cfg->eeprom_size;
306 buf_size = 4 * eeprom_len + 256;
308 if (eeprom_len % 16) {
309 IWL_ERR(priv, "EEPROM size is not multiple of 16.\n");
313 /* 4 characters for byte 0xYY */
314 buf = kzalloc(buf_size, GFP_KERNEL);
316 IWL_ERR(priv, "Can not allocate Buffer\n");
321 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
322 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
323 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
326 if (buf_size - pos > 0)
330 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
335 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
336 const char __user *user_buf,
337 size_t count, loff_t *ppos)
339 struct iwl_priv *priv = file->private_data;
344 memset(buf, 0, sizeof(buf));
345 buf_size = min(count, sizeof(buf) - 1);
346 if (copy_from_user(buf, user_buf, buf_size))
348 if (sscanf(buf, "%d", &event_log_flag) != 1)
350 if (event_log_flag == 1)
351 iwl_dump_nic_event_log(priv);
358 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
359 size_t count, loff_t *ppos)
361 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
362 struct ieee80211_channel *channels = NULL;
363 const struct ieee80211_supported_band *supp_band = NULL;
364 int pos = 0, i, bufsz = PAGE_SIZE;
368 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
371 buf = kzalloc(bufsz, GFP_KERNEL);
373 IWL_ERR(priv, "Can not allocate Buffer\n");
377 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
378 channels = supp_band->channels;
380 pos += scnprintf(buf + pos, bufsz - pos,
381 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
382 supp_band->n_channels);
384 for (i = 0; i < supp_band->n_channels; i++)
385 pos += scnprintf(buf + pos, bufsz - pos,
386 "%d: %ddBm: BSS%s%s, %s.\n",
387 ieee80211_frequency_to_channel(
388 channels[i].center_freq),
389 channels[i].max_power,
390 channels[i].flags & IEEE80211_CHAN_RADAR ?
391 " (IEEE 802.11h required)" : "",
392 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
393 || (channels[i].flags &
394 IEEE80211_CHAN_RADAR)) ? "" :
397 IEEE80211_CHAN_PASSIVE_SCAN ?
398 "passive only" : "active/passive");
400 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
401 channels = supp_band->channels;
403 pos += scnprintf(buf + pos, bufsz - pos,
404 "Displaying %d channels in 5.2GHz band (802.11a)\n",
405 supp_band->n_channels);
407 for (i = 0; i < supp_band->n_channels; i++)
408 pos += scnprintf(buf + pos, bufsz - pos,
409 "%d: %ddBm: BSS%s%s, %s.\n",
410 ieee80211_frequency_to_channel(
411 channels[i].center_freq),
412 channels[i].max_power,
413 channels[i].flags & IEEE80211_CHAN_RADAR ?
414 " (IEEE 802.11h required)" : "",
415 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
416 || (channels[i].flags &
417 IEEE80211_CHAN_RADAR)) ? "" :
420 IEEE80211_CHAN_PASSIVE_SCAN ?
421 "passive only" : "active/passive");
423 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
428 static ssize_t iwl_dbgfs_status_read(struct file *file,
429 char __user *user_buf,
430 size_t count, loff_t *ppos) {
432 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
435 const size_t bufsz = sizeof(buf);
437 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
438 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
439 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
440 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
441 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
442 test_bit(STATUS_INT_ENABLED, &priv->status));
443 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
444 test_bit(STATUS_RF_KILL_HW, &priv->status));
445 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_SW:\t %d\n",
446 test_bit(STATUS_RF_KILL_SW, &priv->status));
447 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
448 test_bit(STATUS_INIT, &priv->status));
449 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
450 test_bit(STATUS_ALIVE, &priv->status));
451 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
452 test_bit(STATUS_READY, &priv->status));
453 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
454 test_bit(STATUS_TEMPERATURE, &priv->status));
455 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
456 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
457 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
458 test_bit(STATUS_EXIT_PENDING, &priv->status));
459 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
460 test_bit(STATUS_STATISTICS, &priv->status));
461 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
462 test_bit(STATUS_SCANNING, &priv->status));
463 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
464 test_bit(STATUS_SCAN_ABORTING, &priv->status));
465 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
466 test_bit(STATUS_SCAN_HW, &priv->status));
467 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
468 test_bit(STATUS_POWER_PMI, &priv->status));
469 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
470 test_bit(STATUS_FW_ERROR, &priv->status));
471 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
472 test_bit(STATUS_MODE_PENDING, &priv->status));
473 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
476 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
477 char __user *user_buf,
478 size_t count, loff_t *ppos) {
480 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
484 int bufsz = 24 * 64; /* 24 items * 64 char per item */
487 buf = kzalloc(bufsz, GFP_KERNEL);
489 IWL_ERR(priv, "Can not allocate Buffer\n");
493 pos += scnprintf(buf + pos, bufsz - pos,
494 "Interrupt Statistics Report:\n");
496 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
498 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
500 if (priv->isr_stats.sw > 0) {
501 pos += scnprintf(buf + pos, bufsz - pos,
502 "\tLast Restarting Code: 0x%X\n",
503 priv->isr_stats.sw_err);
505 #ifdef CONFIG_IWLWIFI_DEBUG
506 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
507 priv->isr_stats.sch);
508 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
509 priv->isr_stats.alive);
511 pos += scnprintf(buf + pos, bufsz - pos,
512 "HW RF KILL switch toggled:\t %u\n",
513 priv->isr_stats.rfkill);
515 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
516 priv->isr_stats.ctkill);
518 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
519 priv->isr_stats.wakeup);
521 pos += scnprintf(buf + pos, bufsz - pos,
522 "Rx command responses:\t\t %u\n",
524 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
525 if (priv->isr_stats.rx_handlers[cnt] > 0)
526 pos += scnprintf(buf + pos, bufsz - pos,
527 "\tRx handler[%36s]:\t\t %u\n",
529 priv->isr_stats.rx_handlers[cnt]);
532 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
535 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
536 priv->isr_stats.unhandled);
538 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
543 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
544 const char __user *user_buf,
545 size_t count, loff_t *ppos)
547 struct iwl_priv *priv = file->private_data;
552 memset(buf, 0, sizeof(buf));
553 buf_size = min(count, sizeof(buf) - 1);
554 if (copy_from_user(buf, user_buf, buf_size))
556 if (sscanf(buf, "%x", &reset_flag) != 1)
559 iwl_clear_isr_stats(priv);
565 DEBUGFS_READ_WRITE_FILE_OPS(sram);
566 DEBUGFS_WRITE_FILE_OPS(log_event);
567 DEBUGFS_READ_FILE_OPS(eeprom);
568 DEBUGFS_READ_FILE_OPS(stations);
569 DEBUGFS_READ_FILE_OPS(rx_statistics);
570 DEBUGFS_READ_FILE_OPS(tx_statistics);
571 DEBUGFS_READ_FILE_OPS(channels);
572 DEBUGFS_READ_FILE_OPS(status);
573 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
576 * Create the debugfs files and directories
579 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
581 struct iwl_debugfs *dbgfs;
582 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
585 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
593 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
594 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
599 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
600 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
601 DEBUGFS_ADD_FILE(eeprom, data);
602 DEBUGFS_ADD_FILE(sram, data);
603 DEBUGFS_ADD_FILE(log_event, data);
604 DEBUGFS_ADD_FILE(stations, data);
605 DEBUGFS_ADD_FILE(rx_statistics, data);
606 DEBUGFS_ADD_FILE(tx_statistics, data);
607 DEBUGFS_ADD_FILE(channels, data);
608 DEBUGFS_ADD_FILE(status, data);
609 DEBUGFS_ADD_FILE(interrupt, data);
610 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
611 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
612 &priv->disable_chain_noise_cal);
613 DEBUGFS_ADD_BOOL(disable_tx_power, rf, &priv->disable_tx_power_cal);
617 IWL_ERR(priv, "Can't open the debugfs directory\n");
618 iwl_dbgfs_unregister(priv);
621 EXPORT_SYMBOL(iwl_dbgfs_register);
624 * Remove the debugfs files and directories
627 void iwl_dbgfs_unregister(struct iwl_priv *priv)
632 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_eeprom);
633 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
634 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
635 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
636 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
637 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
638 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
639 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
640 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
641 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
642 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
643 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
644 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
645 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
646 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
650 EXPORT_SYMBOL(iwl_dbgfs_unregister);