3 Broadcom B43 wireless driver
5 debugfs driver debugging code
7 Copyright (c) 2005-2007 Michael Buesch <mb@bu3sch.de>
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; see the file COPYING. If not, write to
21 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
22 Boston, MA 02110-1301, USA.
27 #include <linux/debugfs.h>
28 #include <linux/slab.h>
29 #include <linux/netdevice.h>
30 #include <linux/pci.h>
31 #include <linux/mutex.h>
40 /* The root directory. */
41 static struct dentry *rootdir;
43 struct b43_debugfs_fops {
44 ssize_t (*read)(struct b43_wldev *dev, char *buf, size_t bufsize);
45 int (*write)(struct b43_wldev *dev, const char *buf, size_t count);
46 struct file_operations fops;
47 /* Offset of struct b43_dfs_file in struct b43_dfsentry */
48 size_t file_struct_offset;
49 /* Take wl->irq_lock before calling read/write? */
54 struct b43_dfs_file * fops_to_dfs_file(struct b43_wldev *dev,
55 const struct b43_debugfs_fops *dfops)
60 p += dfops->file_struct_offset;
66 #define fappend(fmt, x...) \
68 if (bufsize - count) \
69 count += snprintf(buf + count, \
73 printk(KERN_ERR "b43: fappend overflow\n"); \
77 /* The biggest address values for SHM access from the debugfs files. */
78 #define B43_MAX_SHM_ROUTING 4
79 #define B43_MAX_SHM_ADDR 0xFFFF
81 static ssize_t shm16read__read_file(struct b43_wldev *dev,
82 char *buf, size_t bufsize)
85 unsigned int routing, addr;
88 routing = dev->dfsentry->shm16read_routing_next;
89 addr = dev->dfsentry->shm16read_addr_next;
90 if ((routing > B43_MAX_SHM_ROUTING) ||
91 (addr > B43_MAX_SHM_ADDR))
94 val = b43_shm_read16(dev, routing, addr);
95 fappend("0x%04X\n", val);
100 static int shm16read__write_file(struct b43_wldev *dev,
101 const char *buf, size_t count)
103 unsigned int routing, addr;
106 res = sscanf(buf, "0x%X 0x%X", &routing, &addr);
109 if (routing > B43_MAX_SHM_ROUTING)
110 return -EADDRNOTAVAIL;
111 if (addr > B43_MAX_SHM_ADDR)
112 return -EADDRNOTAVAIL;
113 if (routing == B43_SHM_SHARED) {
115 return -EADDRNOTAVAIL;
118 dev->dfsentry->shm16read_routing_next = routing;
119 dev->dfsentry->shm16read_addr_next = addr;
124 static int shm16write__write_file(struct b43_wldev *dev,
125 const char *buf, size_t count)
127 unsigned int routing, addr, mask, set;
132 res = sscanf(buf, "0x%X 0x%X 0x%X 0x%X",
133 &routing, &addr, &mask, &set);
136 if (routing > B43_MAX_SHM_ROUTING)
137 return -EADDRNOTAVAIL;
138 if (addr > B43_MAX_SHM_ADDR)
139 return -EADDRNOTAVAIL;
140 if (routing == B43_SHM_SHARED) {
142 return -EADDRNOTAVAIL;
144 if ((mask > 0xFFFF) || (set > 0xFFFF))
147 spin_lock_irqsave(&dev->wl->shm_lock, flags);
151 val = __b43_shm_read16(dev, routing, addr);
154 __b43_shm_write16(dev, routing, addr, val);
155 spin_unlock_irqrestore(&dev->wl->shm_lock, flags);
160 static ssize_t shm32read__read_file(struct b43_wldev *dev,
161 char *buf, size_t bufsize)
164 unsigned int routing, addr;
167 routing = dev->dfsentry->shm32read_routing_next;
168 addr = dev->dfsentry->shm32read_addr_next;
169 if ((routing > B43_MAX_SHM_ROUTING) ||
170 (addr > B43_MAX_SHM_ADDR))
171 return -EDESTADDRREQ;
173 val = b43_shm_read32(dev, routing, addr);
174 fappend("0x%08X\n", val);
179 static int shm32read__write_file(struct b43_wldev *dev,
180 const char *buf, size_t count)
182 unsigned int routing, addr;
185 res = sscanf(buf, "0x%X 0x%X", &routing, &addr);
188 if (routing > B43_MAX_SHM_ROUTING)
189 return -EADDRNOTAVAIL;
190 if (addr > B43_MAX_SHM_ADDR)
191 return -EADDRNOTAVAIL;
192 if (routing == B43_SHM_SHARED) {
194 return -EADDRNOTAVAIL;
197 dev->dfsentry->shm32read_routing_next = routing;
198 dev->dfsentry->shm32read_addr_next = addr;
203 static int shm32write__write_file(struct b43_wldev *dev,
204 const char *buf, size_t count)
206 unsigned int routing, addr, mask, set;
211 res = sscanf(buf, "0x%X 0x%X 0x%X 0x%X",
212 &routing, &addr, &mask, &set);
215 if (routing > B43_MAX_SHM_ROUTING)
216 return -EADDRNOTAVAIL;
217 if (addr > B43_MAX_SHM_ADDR)
218 return -EADDRNOTAVAIL;
219 if (routing == B43_SHM_SHARED) {
221 return -EADDRNOTAVAIL;
223 if ((mask > 0xFFFFFFFF) || (set > 0xFFFFFFFF))
226 spin_lock_irqsave(&dev->wl->shm_lock, flags);
230 val = __b43_shm_read32(dev, routing, addr);
233 __b43_shm_write32(dev, routing, addr, val);
234 spin_unlock_irqrestore(&dev->wl->shm_lock, flags);
239 /* The biggest MMIO address that we allow access to from the debugfs files. */
240 #define B43_MAX_MMIO_ACCESS (0xF00 - 1)
242 static ssize_t mmio16read__read_file(struct b43_wldev *dev,
243 char *buf, size_t bufsize)
249 addr = dev->dfsentry->mmio16read_next;
250 if (addr > B43_MAX_MMIO_ACCESS)
251 return -EDESTADDRREQ;
253 val = b43_read16(dev, addr);
254 fappend("0x%04X\n", val);
259 static int mmio16read__write_file(struct b43_wldev *dev,
260 const char *buf, size_t count)
265 res = sscanf(buf, "0x%X", &addr);
268 if (addr > B43_MAX_MMIO_ACCESS)
269 return -EADDRNOTAVAIL;
273 dev->dfsentry->mmio16read_next = addr;
278 static int mmio16write__write_file(struct b43_wldev *dev,
279 const char *buf, size_t count)
281 unsigned int addr, mask, set;
285 res = sscanf(buf, "0x%X 0x%X 0x%X", &addr, &mask, &set);
288 if (addr > B43_MAX_MMIO_ACCESS)
289 return -EADDRNOTAVAIL;
290 if ((mask > 0xFFFF) || (set > 0xFFFF))
298 val = b43_read16(dev, addr);
301 b43_write16(dev, addr, val);
306 static ssize_t mmio32read__read_file(struct b43_wldev *dev,
307 char *buf, size_t bufsize)
313 addr = dev->dfsentry->mmio32read_next;
314 if (addr > B43_MAX_MMIO_ACCESS)
315 return -EDESTADDRREQ;
317 val = b43_read32(dev, addr);
318 fappend("0x%08X\n", val);
323 static int mmio32read__write_file(struct b43_wldev *dev,
324 const char *buf, size_t count)
329 res = sscanf(buf, "0x%X", &addr);
332 if (addr > B43_MAX_MMIO_ACCESS)
333 return -EADDRNOTAVAIL;
337 dev->dfsentry->mmio32read_next = addr;
342 static int mmio32write__write_file(struct b43_wldev *dev,
343 const char *buf, size_t count)
345 unsigned int addr, mask, set;
349 res = sscanf(buf, "0x%X 0x%X 0x%X", &addr, &mask, &set);
352 if (addr > B43_MAX_MMIO_ACCESS)
353 return -EADDRNOTAVAIL;
354 if ((mask > 0xFFFFFFFF) || (set > 0xFFFFFFFF))
362 val = b43_read32(dev, addr);
365 b43_write32(dev, addr, val);
370 /* wl->irq_lock is locked */
371 static ssize_t tsf_read_file(struct b43_wldev *dev,
372 char *buf, size_t bufsize)
377 b43_tsf_read(dev, &tsf);
378 fappend("0x%08x%08x\n",
379 (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32),
380 (unsigned int)(tsf & 0xFFFFFFFFULL));
385 /* wl->irq_lock is locked */
386 static int tsf_write_file(struct b43_wldev *dev,
387 const char *buf, size_t count)
391 if (sscanf(buf, "%llu", (unsigned long long *)(&tsf)) != 1)
393 b43_tsf_write(dev, tsf);
398 static ssize_t txstat_read_file(struct b43_wldev *dev,
399 char *buf, size_t bufsize)
401 struct b43_txstatus_log *log = &dev->dfsentry->txstatlog;
405 struct b43_txstatus *stat;
407 spin_lock_irqsave(&log->lock, flags);
409 fappend("Nothing transmitted, yet\n");
412 fappend("b43 TX status reports:\n\n"
413 "index | cookie | seq | phy_stat | frame_count | "
414 "rts_count | supp_reason | pm_indicated | "
415 "intermediate | for_ampdu | acked\n" "---\n");
419 if (i == B43_NR_LOGGED_TXSTATUS)
421 stat = &(log->log[i]);
424 "0x%04X | 0x%04X | 0x%02X | "
429 stat->cookie, stat->seq, stat->phy_stat,
430 stat->frame_count, stat->rts_count,
431 stat->supp_reason, stat->pm_indicated,
432 stat->intermediate, stat->for_ampdu,
441 spin_unlock_irqrestore(&log->lock, flags);
446 static ssize_t txpower_g_read_file(struct b43_wldev *dev,
447 char *buf, size_t bufsize)
451 if (dev->phy.type != B43_PHYTYPE_G) {
452 fappend("Device is not a G-PHY\n");
455 fappend("Control: %s\n", dev->phy.manual_txpower_control ?
456 "MANUAL" : "AUTOMATIC");
457 fappend("Baseband attenuation: %u\n", dev->phy.bbatt.att);
458 fappend("Radio attenuation: %u\n", dev->phy.rfatt.att);
459 fappend("TX Mixer Gain: %s\n",
460 (dev->phy.tx_control & B43_TXCTL_TXMIX) ? "ON" : "OFF");
461 fappend("PA Gain 2dB: %s\n",
462 (dev->phy.tx_control & B43_TXCTL_PA2DB) ? "ON" : "OFF");
463 fappend("PA Gain 3dB: %s\n",
464 (dev->phy.tx_control & B43_TXCTL_PA3DB) ? "ON" : "OFF");
466 fappend("You can write to this file:\n");
467 fappend("Writing \"auto\" enables automatic txpower control.\n");
469 ("Writing the attenuation values as \"bbatt rfatt txmix pa2db pa3db\" "
470 "enables manual txpower control.\n");
471 fappend("Example: 5 4 0 0 1\n");
472 fappend("Enables manual control with Baseband attenuation 5, "
473 "Radio attenuation 4, No TX Mixer Gain, "
474 "No PA Gain 2dB, With PA Gain 3dB.\n");
479 static int txpower_g_write_file(struct b43_wldev *dev,
480 const char *buf, size_t count)
482 if (dev->phy.type != B43_PHYTYPE_G)
484 if ((count >= 4) && (memcmp(buf, "auto", 4) == 0)) {
485 /* Automatic control */
486 dev->phy.manual_txpower_control = 0;
487 b43_phy_xmitpower(dev);
489 int bbatt = 0, rfatt = 0, txmix = 0, pa2db = 0, pa3db = 0;
491 if (sscanf(buf, "%d %d %d %d %d", &bbatt, &rfatt,
492 &txmix, &pa2db, &pa3db) != 5)
494 b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
495 dev->phy.manual_txpower_control = 1;
496 dev->phy.bbatt.att = bbatt;
497 dev->phy.rfatt.att = rfatt;
498 dev->phy.tx_control = 0;
500 dev->phy.tx_control |= B43_TXCTL_TXMIX;
502 dev->phy.tx_control |= B43_TXCTL_PA2DB;
504 dev->phy.tx_control |= B43_TXCTL_PA3DB;
507 b43_set_txpower_g(dev, &dev->phy.bbatt,
508 &dev->phy.rfatt, dev->phy.tx_control);
509 b43_radio_unlock(dev);
516 /* wl->irq_lock is locked */
517 static int restart_write_file(struct b43_wldev *dev,
518 const char *buf, size_t count)
522 if (count > 0 && buf[0] == '1') {
523 b43_controller_restart(dev, "manually restarted");
530 static unsigned long calc_expire_secs(unsigned long now,
532 unsigned long expire)
534 expire = time + expire;
536 if (time_after(now, expire))
537 return 0; /* expired */
539 /* jiffies wrapped */
540 expire -= MAX_JIFFY_OFFSET;
541 now -= MAX_JIFFY_OFFSET;
543 B43_WARN_ON(expire < now);
545 return (expire - now) / HZ;
548 static ssize_t loctls_read_file(struct b43_wldev *dev,
549 char *buf, size_t bufsize)
552 struct b43_txpower_lo_control *lo;
554 struct b43_lo_calib *cal;
555 unsigned long now = jiffies;
556 struct b43_phy *phy = &dev->phy;
558 if (phy->type != B43_PHYTYPE_G) {
559 fappend("Device is not a G-PHY\n");
563 lo = phy->lo_control;
564 fappend("-- Local Oscillator calibration data --\n\n");
565 fappend("HW-power-control enabled: %d\n",
566 dev->phy.hardware_power_control);
567 fappend("TX Bias: 0x%02X, TX Magn: 0x%02X (expire in %lu sec)\n",
568 lo->tx_bias, lo->tx_magn,
569 calc_expire_secs(now, lo->txctl_measured_time,
570 B43_LO_TXCTL_EXPIRE));
571 fappend("Power Vector: 0x%08X%08X (expires in %lu sec)\n",
572 (unsigned int)((lo->power_vector & 0xFFFFFFFF00000000ULL) >> 32),
573 (unsigned int)(lo->power_vector & 0x00000000FFFFFFFFULL),
574 calc_expire_secs(now, lo->pwr_vec_read_time,
575 B43_LO_PWRVEC_EXPIRE));
577 fappend("\nCalibrated settings:\n");
578 list_for_each_entry(cal, &lo->calib_list, list) {
581 active = (b43_compare_bbatt(&cal->bbatt, &phy->bbatt) &&
582 b43_compare_rfatt(&cal->rfatt, &phy->rfatt));
583 fappend("BB(%d), RF(%d,%d) -> I=%d, Q=%d "
584 "(expires in %lu sec)%s\n",
586 cal->rfatt.att, cal->rfatt.with_padmix,
587 cal->ctl.i, cal->ctl.q,
588 calc_expire_secs(now, cal->calib_time,
589 B43_LO_CALIB_EXPIRE),
590 active ? " ACTIVE" : "");
593 fappend("\nUsed RF attenuation values: Value(WithPadmix flag)\n");
594 for (i = 0; i < lo->rfatt_list.len; i++) {
596 lo->rfatt_list.list[i].att,
597 lo->rfatt_list.list[i].with_padmix);
600 fappend("\nUsed Baseband attenuation values:\n");
601 for (i = 0; i < lo->bbatt_list.len; i++) {
603 lo->bbatt_list.list[i].att);
608 return err ? err : count;
613 static int b43_debugfs_open(struct inode *inode, struct file *file)
615 file->private_data = inode->i_private;
619 static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf,
620 size_t count, loff_t *ppos)
622 struct b43_wldev *dev;
623 struct b43_debugfs_fops *dfops;
624 struct b43_dfs_file *dfile;
625 ssize_t uninitialized_var(ret);
627 const size_t bufsize = 1024 * 16; /* 16 kiB buffer */
628 const size_t buforder = get_order(bufsize);
633 dev = file->private_data;
637 mutex_lock(&dev->wl->mutex);
638 if (b43_status(dev) < B43_STAT_INITIALIZED) {
643 dfops = container_of(file->f_op, struct b43_debugfs_fops, fops);
648 dfile = fops_to_dfs_file(dev, dfops);
650 if (!dfile->buffer) {
651 buf = (char *)__get_free_pages(GFP_KERNEL, buforder);
656 memset(buf, 0, bufsize);
657 if (dfops->take_irqlock) {
658 spin_lock_irq(&dev->wl->irq_lock);
659 ret = dfops->read(dev, buf, bufsize);
660 spin_unlock_irq(&dev->wl->irq_lock);
662 ret = dfops->read(dev, buf, bufsize);
664 free_pages((unsigned long)buf, buforder);
668 dfile->data_len = ret;
672 ret = simple_read_from_buffer(userbuf, count, ppos,
675 if (*ppos >= dfile->data_len) {
676 free_pages((unsigned long)dfile->buffer, buforder);
677 dfile->buffer = NULL;
681 mutex_unlock(&dev->wl->mutex);
683 return err ? err : ret;
686 static ssize_t b43_debugfs_write(struct file *file,
687 const char __user *userbuf,
688 size_t count, loff_t *ppos)
690 struct b43_wldev *dev;
691 struct b43_debugfs_fops *dfops;
697 if (count > PAGE_SIZE)
699 dev = file->private_data;
703 mutex_lock(&dev->wl->mutex);
704 if (b43_status(dev) < B43_STAT_INITIALIZED) {
709 dfops = container_of(file->f_op, struct b43_debugfs_fops, fops);
715 buf = (char *)get_zeroed_page(GFP_KERNEL);
720 if (copy_from_user(buf, userbuf, count)) {
724 if (dfops->take_irqlock) {
725 spin_lock_irq(&dev->wl->irq_lock);
726 err = dfops->write(dev, buf, count);
727 spin_unlock_irq(&dev->wl->irq_lock);
729 err = dfops->write(dev, buf, count);
734 free_page((unsigned long)buf);
736 mutex_unlock(&dev->wl->mutex);
738 return err ? err : count;
742 #define B43_DEBUGFS_FOPS(name, _read, _write, _take_irqlock) \
743 static struct b43_debugfs_fops fops_##name = { \
747 .open = b43_debugfs_open, \
748 .read = b43_debugfs_read, \
749 .write = b43_debugfs_write, \
751 .file_struct_offset = offsetof(struct b43_dfsentry, \
753 .take_irqlock = _take_irqlock, \
756 B43_DEBUGFS_FOPS(shm16read, shm16read__read_file, shm16read__write_file, 1);
757 B43_DEBUGFS_FOPS(shm16write, NULL, shm16write__write_file, 1);
758 B43_DEBUGFS_FOPS(shm32read, shm32read__read_file, shm32read__write_file, 1);
759 B43_DEBUGFS_FOPS(shm32write, NULL, shm32write__write_file, 1);
760 B43_DEBUGFS_FOPS(mmio16read, mmio16read__read_file, mmio16read__write_file, 1);
761 B43_DEBUGFS_FOPS(mmio16write, NULL, mmio16write__write_file, 1);
762 B43_DEBUGFS_FOPS(mmio32read, mmio32read__read_file, mmio32read__write_file, 1);
763 B43_DEBUGFS_FOPS(mmio32write, NULL, mmio32write__write_file, 1);
764 B43_DEBUGFS_FOPS(tsf, tsf_read_file, tsf_write_file, 1);
765 B43_DEBUGFS_FOPS(txstat, txstat_read_file, NULL, 0);
766 B43_DEBUGFS_FOPS(txpower_g, txpower_g_read_file, txpower_g_write_file, 0);
767 B43_DEBUGFS_FOPS(restart, NULL, restart_write_file, 1);
768 B43_DEBUGFS_FOPS(loctls, loctls_read_file, NULL, 0);
771 int b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature)
773 return !!(dev->dfsentry && dev->dfsentry->dyn_debug[feature]);
776 static void b43_remove_dynamic_debug(struct b43_wldev *dev)
778 struct b43_dfsentry *e = dev->dfsentry;
781 for (i = 0; i < __B43_NR_DYNDBG; i++)
782 debugfs_remove(e->dyn_debug_dentries[i]);
785 static void b43_add_dynamic_debug(struct b43_wldev *dev)
787 struct b43_dfsentry *e = dev->dfsentry;
790 #define add_dyn_dbg(name, id, initstate) do { \
791 e->dyn_debug[id] = (initstate); \
792 d = debugfs_create_bool(name, 0600, e->subdir, \
793 &(e->dyn_debug[id])); \
795 e->dyn_debug_dentries[id] = d; \
798 add_dyn_dbg("debug_xmitpower", B43_DBG_XMITPOWER, 0);
799 add_dyn_dbg("debug_dmaoverflow", B43_DBG_DMAOVERFLOW, 0);
800 add_dyn_dbg("debug_dmaverbose", B43_DBG_DMAVERBOSE, 0);
801 add_dyn_dbg("debug_pwork_fast", B43_DBG_PWORK_FAST, 0);
802 add_dyn_dbg("debug_pwork_stop", B43_DBG_PWORK_STOP, 0);
803 add_dyn_dbg("debug_lo", B43_DBG_LO, 0);
804 add_dyn_dbg("debug_firmware", B43_DBG_FIRMWARE, 0);
809 void b43_debugfs_add_device(struct b43_wldev *dev)
811 struct b43_dfsentry *e;
812 struct b43_txstatus_log *log;
816 e = kzalloc(sizeof(*e), GFP_KERNEL);
818 b43err(dev->wl, "debugfs: add device OOM\n");
823 log->log = kcalloc(B43_NR_LOGGED_TXSTATUS,
824 sizeof(struct b43_txstatus), GFP_KERNEL);
826 b43err(dev->wl, "debugfs: add device txstatus OOM\n");
831 spin_lock_init(&log->lock);
835 snprintf(devdir, sizeof(devdir), "%s", wiphy_name(dev->wl->hw->wiphy));
836 e->subdir = debugfs_create_dir(devdir, rootdir);
837 if (!e->subdir || IS_ERR(e->subdir)) {
838 if (e->subdir == ERR_PTR(-ENODEV)) {
839 b43dbg(dev->wl, "DebugFS (CONFIG_DEBUG_FS) not "
840 "enabled in kernel config\n");
842 b43err(dev->wl, "debugfs: cannot create %s directory\n",
845 dev->dfsentry = NULL;
851 e->mmio16read_next = 0xFFFF; /* invalid address */
852 e->mmio32read_next = 0xFFFF; /* invalid address */
853 e->shm16read_routing_next = 0xFFFFFFFF; /* invalid routing */
854 e->shm16read_addr_next = 0xFFFFFFFF; /* invalid address */
855 e->shm32read_routing_next = 0xFFFFFFFF; /* invalid routing */
856 e->shm32read_addr_next = 0xFFFFFFFF; /* invalid address */
858 #define ADD_FILE(name, mode) \
861 d = debugfs_create_file(__stringify(name), \
862 mode, e->subdir, dev, \
863 &fops_##name.fops); \
864 e->file_##name.dentry = NULL; \
866 e->file_##name.dentry = d; \
870 ADD_FILE(shm16read, 0600);
871 ADD_FILE(shm16write, 0200);
872 ADD_FILE(shm32read, 0600);
873 ADD_FILE(shm32write, 0200);
874 ADD_FILE(mmio16read, 0600);
875 ADD_FILE(mmio16write, 0200);
876 ADD_FILE(mmio32read, 0600);
877 ADD_FILE(mmio32write, 0200);
879 ADD_FILE(txstat, 0400);
880 ADD_FILE(txpower_g, 0600);
881 ADD_FILE(restart, 0200);
882 ADD_FILE(loctls, 0400);
886 b43_add_dynamic_debug(dev);
889 void b43_debugfs_remove_device(struct b43_wldev *dev)
891 struct b43_dfsentry *e;
898 b43_remove_dynamic_debug(dev);
900 debugfs_remove(e->file_shm16read.dentry);
901 debugfs_remove(e->file_shm16write.dentry);
902 debugfs_remove(e->file_shm32read.dentry);
903 debugfs_remove(e->file_shm32write.dentry);
904 debugfs_remove(e->file_mmio16read.dentry);
905 debugfs_remove(e->file_mmio16write.dentry);
906 debugfs_remove(e->file_mmio32read.dentry);
907 debugfs_remove(e->file_mmio32write.dentry);
908 debugfs_remove(e->file_tsf.dentry);
909 debugfs_remove(e->file_txstat.dentry);
910 debugfs_remove(e->file_txpower_g.dentry);
911 debugfs_remove(e->file_restart.dentry);
912 debugfs_remove(e->file_loctls.dentry);
914 debugfs_remove(e->subdir);
915 kfree(e->txstatlog.log);
919 /* Called with IRQs disabled. */
920 void b43_debugfs_log_txstat(struct b43_wldev *dev,
921 const struct b43_txstatus *status)
923 struct b43_dfsentry *e = dev->dfsentry;
924 struct b43_txstatus_log *log;
925 struct b43_txstatus *cur;
931 spin_lock(&log->lock); /* IRQs are already disabled. */
933 if (i == B43_NR_LOGGED_TXSTATUS)
936 cur = &(log->log[i]);
937 memcpy(cur, status, sizeof(*cur));
938 spin_unlock(&log->lock);
941 void b43_debugfs_init(void)
943 rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
948 void b43_debugfs_exit(void)
950 debugfs_remove(rootdir);