Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* Sysctl interface for parport devices. |
2 | * | |
bdca3f20 | 3 | * Authors: David Campbell |
1da177e4 LT |
4 | * Tim Waugh <tim@cyberelk.demon.co.uk> |
5 | * Philip Blundell <philb@gnu.org> | |
6 | * Andrea Arcangeli | |
7 | * Riccardo Facchetti <fizban@tin.it> | |
8 | * | |
9 | * based on work by Grant Guenther <grant@torque.net> | |
10 | * and Philip Blundell | |
11 | * | |
12 | * Cleaned up include files - Russell King <linux@arm.uk.linux.org> | |
13 | */ | |
14 | ||
15 | #include <linux/string.h> | |
1da177e4 LT |
16 | #include <linux/init.h> |
17 | #include <linux/module.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/kernel.h> | |
20 | #include <linux/slab.h> | |
21 | #include <linux/parport.h> | |
22 | #include <linux/ctype.h> | |
23 | #include <linux/sysctl.h> | |
6fa45a22 | 24 | #include <linux/device.h> |
1da177e4 LT |
25 | |
26 | #include <asm/uaccess.h> | |
27 | ||
28 | #if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS) | |
29 | ||
30 | #define PARPORT_MIN_TIMESLICE_VALUE 1ul | |
31 | #define PARPORT_MAX_TIMESLICE_VALUE ((unsigned long) HZ) | |
32 | #define PARPORT_MIN_SPINTIME_VALUE 1 | |
33 | #define PARPORT_MAX_SPINTIME_VALUE 1000 | |
34 | ||
be424c63 | 35 | static int do_active_device(struct ctl_table *table, int write, |
1da177e4 LT |
36 | void __user *result, size_t *lenp, loff_t *ppos) |
37 | { | |
38 | struct parport *port = (struct parport *)table->extra1; | |
39 | char buffer[256]; | |
40 | struct pardevice *dev; | |
41 | int len = 0; | |
42 | ||
43 | if (write) /* can't happen anyway */ | |
44 | return -EACCES; | |
45 | ||
46 | if (*ppos) { | |
47 | *lenp = 0; | |
48 | return 0; | |
49 | } | |
50 | ||
51 | for (dev = port->devices; dev ; dev = dev->next) { | |
52 | if(dev == port->cad) { | |
53 | len += sprintf(buffer, "%s\n", dev->name); | |
54 | } | |
55 | } | |
56 | ||
57 | if(!len) { | |
58 | len += sprintf(buffer, "%s\n", "none"); | |
59 | } | |
60 | ||
61 | if (len > *lenp) | |
62 | len = *lenp; | |
63 | else | |
64 | *lenp = len; | |
65 | ||
66 | *ppos += len; | |
67 | ||
68 | return copy_to_user(result, buffer, len) ? -EFAULT : 0; | |
69 | } | |
70 | ||
71 | #ifdef CONFIG_PARPORT_1284 | |
be424c63 | 72 | static int do_autoprobe(struct ctl_table *table, int write, |
1da177e4 LT |
73 | void __user *result, size_t *lenp, loff_t *ppos) |
74 | { | |
75 | struct parport_device_info *info = table->extra2; | |
76 | const char *str; | |
77 | char buffer[256]; | |
78 | int len = 0; | |
79 | ||
80 | if (write) /* permissions stop this */ | |
81 | return -EACCES; | |
82 | ||
83 | if (*ppos) { | |
84 | *lenp = 0; | |
85 | return 0; | |
86 | } | |
87 | ||
88 | if ((str = info->class_name) != NULL) | |
89 | len += sprintf (buffer + len, "CLASS:%s;\n", str); | |
90 | ||
91 | if ((str = info->model) != NULL) | |
92 | len += sprintf (buffer + len, "MODEL:%s;\n", str); | |
93 | ||
94 | if ((str = info->mfr) != NULL) | |
95 | len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str); | |
96 | ||
97 | if ((str = info->description) != NULL) | |
98 | len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str); | |
99 | ||
100 | if ((str = info->cmdset) != NULL) | |
101 | len += sprintf (buffer + len, "COMMAND SET:%s;\n", str); | |
102 | ||
103 | if (len > *lenp) | |
104 | len = *lenp; | |
105 | else | |
106 | *lenp = len; | |
107 | ||
108 | *ppos += len; | |
109 | ||
110 | return copy_to_user (result, buffer, len) ? -EFAULT : 0; | |
111 | } | |
112 | #endif /* IEEE1284.3 support. */ | |
113 | ||
be424c63 JP |
114 | static int do_hardware_base_addr(struct ctl_table *table, int write, |
115 | void __user *result, | |
116 | size_t *lenp, loff_t *ppos) | |
1da177e4 LT |
117 | { |
118 | struct parport *port = (struct parport *)table->extra1; | |
119 | char buffer[20]; | |
120 | int len = 0; | |
121 | ||
122 | if (*ppos) { | |
123 | *lenp = 0; | |
124 | return 0; | |
125 | } | |
126 | ||
127 | if (write) /* permissions prevent this anyway */ | |
128 | return -EACCES; | |
129 | ||
130 | len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi); | |
131 | ||
132 | if (len > *lenp) | |
133 | len = *lenp; | |
134 | else | |
135 | *lenp = len; | |
136 | ||
137 | *ppos += len; | |
138 | ||
139 | return copy_to_user(result, buffer, len) ? -EFAULT : 0; | |
140 | } | |
141 | ||
be424c63 JP |
142 | static int do_hardware_irq(struct ctl_table *table, int write, |
143 | void __user *result, | |
144 | size_t *lenp, loff_t *ppos) | |
1da177e4 LT |
145 | { |
146 | struct parport *port = (struct parport *)table->extra1; | |
147 | char buffer[20]; | |
148 | int len = 0; | |
149 | ||
150 | if (*ppos) { | |
151 | *lenp = 0; | |
152 | return 0; | |
153 | } | |
154 | ||
155 | if (write) /* permissions prevent this anyway */ | |
156 | return -EACCES; | |
157 | ||
158 | len += sprintf (buffer, "%d\n", port->irq); | |
159 | ||
160 | if (len > *lenp) | |
161 | len = *lenp; | |
162 | else | |
163 | *lenp = len; | |
164 | ||
165 | *ppos += len; | |
166 | ||
167 | return copy_to_user(result, buffer, len) ? -EFAULT : 0; | |
168 | } | |
169 | ||
be424c63 JP |
170 | static int do_hardware_dma(struct ctl_table *table, int write, |
171 | void __user *result, | |
172 | size_t *lenp, loff_t *ppos) | |
1da177e4 LT |
173 | { |
174 | struct parport *port = (struct parport *)table->extra1; | |
175 | char buffer[20]; | |
176 | int len = 0; | |
177 | ||
178 | if (*ppos) { | |
179 | *lenp = 0; | |
180 | return 0; | |
181 | } | |
182 | ||
183 | if (write) /* permissions prevent this anyway */ | |
184 | return -EACCES; | |
185 | ||
186 | len += sprintf (buffer, "%d\n", port->dma); | |
187 | ||
188 | if (len > *lenp) | |
189 | len = *lenp; | |
190 | else | |
191 | *lenp = len; | |
192 | ||
193 | *ppos += len; | |
194 | ||
195 | return copy_to_user(result, buffer, len) ? -EFAULT : 0; | |
196 | } | |
197 | ||
be424c63 JP |
198 | static int do_hardware_modes(struct ctl_table *table, int write, |
199 | void __user *result, | |
200 | size_t *lenp, loff_t *ppos) | |
1da177e4 LT |
201 | { |
202 | struct parport *port = (struct parport *)table->extra1; | |
203 | char buffer[40]; | |
204 | int len = 0; | |
205 | ||
206 | if (*ppos) { | |
207 | *lenp = 0; | |
208 | return 0; | |
209 | } | |
210 | ||
211 | if (write) /* permissions prevent this anyway */ | |
212 | return -EACCES; | |
213 | ||
214 | { | |
215 | #define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}} | |
216 | int f = 0; | |
217 | printmode(PCSPP); | |
218 | printmode(TRISTATE); | |
219 | printmode(COMPAT); | |
220 | printmode(EPP); | |
221 | printmode(ECP); | |
222 | printmode(DMA); | |
223 | #undef printmode | |
224 | } | |
225 | buffer[len++] = '\n'; | |
226 | ||
227 | if (len > *lenp) | |
228 | len = *lenp; | |
229 | else | |
230 | *lenp = len; | |
231 | ||
232 | *ppos += len; | |
233 | ||
234 | return copy_to_user(result, buffer, len) ? -EFAULT : 0; | |
235 | } | |
236 | ||
894d2491 EB |
237 | #define PARPORT_PORT_DIR(CHILD) { .procname = NULL, .mode = 0555, .child = CHILD } |
238 | #define PARPORT_PARPORT_DIR(CHILD) { .procname = "parport", \ | |
2564b7bd | 239 | .mode = 0555, .child = CHILD } |
894d2491 | 240 | #define PARPORT_DEV_DIR(CHILD) { .procname = "dev", .mode = 0555, .child = CHILD } |
25398a15 | 241 | #define PARPORT_DEVICES_ROOT_DIR { .procname = "devices", \ |
2564b7bd | 242 | .mode = 0555, .child = NULL } |
1da177e4 LT |
243 | |
244 | static const unsigned long parport_min_timeslice_value = | |
245 | PARPORT_MIN_TIMESLICE_VALUE; | |
246 | ||
247 | static const unsigned long parport_max_timeslice_value = | |
248 | PARPORT_MAX_TIMESLICE_VALUE; | |
249 | ||
250 | static const int parport_min_spintime_value = | |
251 | PARPORT_MIN_SPINTIME_VALUE; | |
252 | ||
253 | static const int parport_max_spintime_value = | |
254 | PARPORT_MAX_SPINTIME_VALUE; | |
255 | ||
256 | ||
257 | struct parport_sysctl_table { | |
258 | struct ctl_table_header *sysctl_header; | |
be424c63 JP |
259 | struct ctl_table vars[12]; |
260 | struct ctl_table device_dir[2]; | |
261 | struct ctl_table port_dir[2]; | |
262 | struct ctl_table parport_dir[2]; | |
263 | struct ctl_table dev_dir[2]; | |
1da177e4 LT |
264 | }; |
265 | ||
266 | static const struct parport_sysctl_table parport_sysctl_template = { | |
2564b7bd | 267 | .sysctl_header = NULL, |
1da177e4 | 268 | { |
2564b7bd | 269 | { |
2564b7bd EB |
270 | .procname = "spintime", |
271 | .data = NULL, | |
272 | .maxlen = sizeof(int), | |
273 | .mode = 0644, | |
6d456111 | 274 | .proc_handler = proc_dointvec_minmax, |
2564b7bd EB |
275 | .extra1 = (void*) &parport_min_spintime_value, |
276 | .extra2 = (void*) &parport_max_spintime_value | |
277 | }, | |
278 | { | |
2564b7bd EB |
279 | .procname = "base-addr", |
280 | .data = NULL, | |
281 | .maxlen = 0, | |
282 | .mode = 0444, | |
6d456111 | 283 | .proc_handler = do_hardware_base_addr |
2564b7bd EB |
284 | }, |
285 | { | |
2564b7bd EB |
286 | .procname = "irq", |
287 | .data = NULL, | |
288 | .maxlen = 0, | |
289 | .mode = 0444, | |
6d456111 | 290 | .proc_handler = do_hardware_irq |
2564b7bd EB |
291 | }, |
292 | { | |
2564b7bd EB |
293 | .procname = "dma", |
294 | .data = NULL, | |
295 | .maxlen = 0, | |
296 | .mode = 0444, | |
6d456111 | 297 | .proc_handler = do_hardware_dma |
2564b7bd EB |
298 | }, |
299 | { | |
2564b7bd EB |
300 | .procname = "modes", |
301 | .data = NULL, | |
302 | .maxlen = 0, | |
303 | .mode = 0444, | |
6d456111 | 304 | .proc_handler = do_hardware_modes |
2564b7bd | 305 | }, |
1da177e4 LT |
306 | PARPORT_DEVICES_ROOT_DIR, |
307 | #ifdef CONFIG_PARPORT_1284 | |
2564b7bd | 308 | { |
2564b7bd EB |
309 | .procname = "autoprobe", |
310 | .data = NULL, | |
311 | .maxlen = 0, | |
312 | .mode = 0444, | |
6d456111 | 313 | .proc_handler = do_autoprobe |
2564b7bd EB |
314 | }, |
315 | { | |
2564b7bd EB |
316 | .procname = "autoprobe0", |
317 | .data = NULL, | |
318 | .maxlen = 0, | |
319 | .mode = 0444, | |
6d456111 | 320 | .proc_handler = do_autoprobe |
2564b7bd EB |
321 | }, |
322 | { | |
2564b7bd EB |
323 | .procname = "autoprobe1", |
324 | .data = NULL, | |
325 | .maxlen = 0, | |
326 | .mode = 0444, | |
6d456111 | 327 | .proc_handler = do_autoprobe |
2564b7bd EB |
328 | }, |
329 | { | |
2564b7bd EB |
330 | .procname = "autoprobe2", |
331 | .data = NULL, | |
332 | .maxlen = 0, | |
333 | .mode = 0444, | |
6d456111 | 334 | .proc_handler = do_autoprobe |
2564b7bd EB |
335 | }, |
336 | { | |
2564b7bd EB |
337 | .procname = "autoprobe3", |
338 | .data = NULL, | |
339 | .maxlen = 0, | |
340 | .mode = 0444, | |
6d456111 | 341 | .proc_handler = do_autoprobe |
2564b7bd | 342 | }, |
1da177e4 | 343 | #endif /* IEEE 1284 support */ |
2564b7bd | 344 | {} |
1da177e4 | 345 | }, |
2564b7bd EB |
346 | { |
347 | { | |
2564b7bd EB |
348 | .procname = "active", |
349 | .data = NULL, | |
350 | .maxlen = 0, | |
351 | .mode = 0444, | |
6d456111 | 352 | .proc_handler = do_active_device |
2564b7bd EB |
353 | }, |
354 | {} | |
355 | }, | |
356 | { | |
357 | PARPORT_PORT_DIR(NULL), | |
358 | {} | |
359 | }, | |
360 | { | |
361 | PARPORT_PARPORT_DIR(NULL), | |
362 | {} | |
363 | }, | |
364 | { | |
365 | PARPORT_DEV_DIR(NULL), | |
366 | {} | |
367 | } | |
1da177e4 LT |
368 | }; |
369 | ||
370 | struct parport_device_sysctl_table | |
371 | { | |
372 | struct ctl_table_header *sysctl_header; | |
be424c63 JP |
373 | struct ctl_table vars[2]; |
374 | struct ctl_table device_dir[2]; | |
375 | struct ctl_table devices_root_dir[2]; | |
376 | struct ctl_table port_dir[2]; | |
377 | struct ctl_table parport_dir[2]; | |
378 | struct ctl_table dev_dir[2]; | |
1da177e4 LT |
379 | }; |
380 | ||
381 | static const struct parport_device_sysctl_table | |
382 | parport_device_sysctl_template = { | |
2564b7bd EB |
383 | .sysctl_header = NULL, |
384 | { | |
385 | { | |
2564b7bd EB |
386 | .procname = "timeslice", |
387 | .data = NULL, | |
60af8803 | 388 | .maxlen = sizeof(unsigned long), |
2564b7bd | 389 | .mode = 0644, |
6d456111 | 390 | .proc_handler = proc_doulongvec_ms_jiffies_minmax, |
2564b7bd EB |
391 | .extra1 = (void*) &parport_min_timeslice_value, |
392 | .extra2 = (void*) &parport_max_timeslice_value | |
393 | }, | |
394 | }, | |
395 | { | |
396 | { | |
2564b7bd EB |
397 | .procname = NULL, |
398 | .data = NULL, | |
399 | .maxlen = 0, | |
400 | .mode = 0555, | |
401 | .child = NULL | |
402 | }, | |
403 | {} | |
404 | }, | |
1da177e4 | 405 | { |
2564b7bd EB |
406 | PARPORT_DEVICES_ROOT_DIR, |
407 | {} | |
408 | }, | |
409 | { | |
410 | PARPORT_PORT_DIR(NULL), | |
411 | {} | |
1da177e4 | 412 | }, |
2564b7bd EB |
413 | { |
414 | PARPORT_PARPORT_DIR(NULL), | |
415 | {} | |
416 | }, | |
417 | { | |
418 | PARPORT_DEV_DIR(NULL), | |
419 | {} | |
420 | } | |
1da177e4 LT |
421 | }; |
422 | ||
423 | struct parport_default_sysctl_table | |
424 | { | |
425 | struct ctl_table_header *sysctl_header; | |
be424c63 JP |
426 | struct ctl_table vars[3]; |
427 | struct ctl_table default_dir[2]; | |
428 | struct ctl_table parport_dir[2]; | |
429 | struct ctl_table dev_dir[2]; | |
1da177e4 LT |
430 | }; |
431 | ||
1da177e4 LT |
432 | static struct parport_default_sysctl_table |
433 | parport_default_sysctl_table = { | |
2564b7bd EB |
434 | .sysctl_header = NULL, |
435 | { | |
436 | { | |
2564b7bd EB |
437 | .procname = "timeslice", |
438 | .data = &parport_default_timeslice, | |
439 | .maxlen = sizeof(parport_default_timeslice), | |
440 | .mode = 0644, | |
6d456111 | 441 | .proc_handler = proc_doulongvec_ms_jiffies_minmax, |
2564b7bd EB |
442 | .extra1 = (void*) &parport_min_timeslice_value, |
443 | .extra2 = (void*) &parport_max_timeslice_value | |
444 | }, | |
445 | { | |
2564b7bd EB |
446 | .procname = "spintime", |
447 | .data = &parport_default_spintime, | |
448 | .maxlen = sizeof(parport_default_spintime), | |
449 | .mode = 0644, | |
6d456111 | 450 | .proc_handler = proc_dointvec_minmax, |
2564b7bd EB |
451 | .extra1 = (void*) &parport_min_spintime_value, |
452 | .extra2 = (void*) &parport_max_spintime_value | |
453 | }, | |
454 | {} | |
455 | }, | |
1da177e4 | 456 | { |
2564b7bd | 457 | { |
2564b7bd EB |
458 | .procname = "default", |
459 | .mode = 0555, | |
460 | .child = parport_default_sysctl_table.vars | |
461 | }, | |
462 | {} | |
1da177e4 | 463 | }, |
1da177e4 | 464 | { |
2564b7bd EB |
465 | PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir), |
466 | {} | |
467 | }, | |
468 | { | |
469 | PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir), | |
470 | {} | |
471 | } | |
1da177e4 LT |
472 | }; |
473 | ||
474 | ||
475 | int parport_proc_register(struct parport *port) | |
476 | { | |
477 | struct parport_sysctl_table *t; | |
478 | int i; | |
479 | ||
2451a848 | 480 | t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL); |
1da177e4 LT |
481 | if (t == NULL) |
482 | return -ENOMEM; | |
1da177e4 LT |
483 | |
484 | t->device_dir[0].extra1 = port; | |
485 | ||
25398a15 | 486 | for (i = 0; i < 5; i++) |
1da177e4 LT |
487 | t->vars[i].extra1 = port; |
488 | ||
489 | t->vars[0].data = &port->spintime; | |
490 | t->vars[5].child = t->device_dir; | |
491 | ||
492 | for (i = 0; i < 5; i++) | |
493 | t->vars[6 + i].extra2 = &port->probe_info[i]; | |
494 | ||
495 | t->port_dir[0].procname = port->name; | |
1da177e4 LT |
496 | |
497 | t->port_dir[0].child = t->vars; | |
498 | t->parport_dir[0].child = t->port_dir; | |
499 | t->dev_dir[0].child = t->parport_dir; | |
500 | ||
0b4d4147 | 501 | t->sysctl_header = register_sysctl_table(t->dev_dir); |
1da177e4 LT |
502 | if (t->sysctl_header == NULL) { |
503 | kfree(t); | |
504 | t = NULL; | |
505 | } | |
506 | port->sysctl_table = t; | |
507 | return 0; | |
508 | } | |
509 | ||
510 | int parport_proc_unregister(struct parport *port) | |
511 | { | |
512 | if (port->sysctl_table) { | |
513 | struct parport_sysctl_table *t = port->sysctl_table; | |
514 | port->sysctl_table = NULL; | |
515 | unregister_sysctl_table(t->sysctl_header); | |
516 | kfree(t); | |
517 | } | |
518 | return 0; | |
519 | } | |
520 | ||
521 | int parport_device_proc_register(struct pardevice *device) | |
522 | { | |
523 | struct parport_device_sysctl_table *t; | |
524 | struct parport * port = device->port; | |
525 | ||
2451a848 | 526 | t = kmemdup(&parport_device_sysctl_template, sizeof(*t), GFP_KERNEL); |
1da177e4 LT |
527 | if (t == NULL) |
528 | return -ENOMEM; | |
1da177e4 LT |
529 | |
530 | t->dev_dir[0].child = t->parport_dir; | |
531 | t->parport_dir[0].child = t->port_dir; | |
532 | t->port_dir[0].procname = port->name; | |
1da177e4 LT |
533 | t->port_dir[0].child = t->devices_root_dir; |
534 | t->devices_root_dir[0].child = t->device_dir; | |
535 | ||
1da177e4 | 536 | t->device_dir[0].procname = device->name; |
1da177e4 LT |
537 | t->device_dir[0].child = t->vars; |
538 | t->vars[0].data = &device->timeslice; | |
539 | ||
0b4d4147 | 540 | t->sysctl_header = register_sysctl_table(t->dev_dir); |
1da177e4 LT |
541 | if (t->sysctl_header == NULL) { |
542 | kfree(t); | |
543 | t = NULL; | |
544 | } | |
545 | device->sysctl_table = t; | |
546 | return 0; | |
547 | } | |
548 | ||
549 | int parport_device_proc_unregister(struct pardevice *device) | |
550 | { | |
551 | if (device->sysctl_table) { | |
552 | struct parport_device_sysctl_table *t = device->sysctl_table; | |
553 | device->sysctl_table = NULL; | |
554 | unregister_sysctl_table(t->sysctl_header); | |
555 | kfree(t); | |
556 | } | |
557 | return 0; | |
558 | } | |
559 | ||
560 | static int __init parport_default_proc_register(void) | |
561 | { | |
6fa45a22 SM |
562 | int ret; |
563 | ||
1da177e4 | 564 | parport_default_sysctl_table.sysctl_header = |
0b4d4147 | 565 | register_sysctl_table(parport_default_sysctl_table.dev_dir); |
6fa45a22 SM |
566 | if (!parport_default_sysctl_table.sysctl_header) |
567 | return -ENOMEM; | |
568 | ret = parport_bus_init(); | |
569 | if (ret) { | |
570 | unregister_sysctl_table(parport_default_sysctl_table. | |
571 | sysctl_header); | |
572 | return ret; | |
573 | } | |
1da177e4 LT |
574 | return 0; |
575 | } | |
576 | ||
577 | static void __exit parport_default_proc_unregister(void) | |
578 | { | |
579 | if (parport_default_sysctl_table.sysctl_header) { | |
580 | unregister_sysctl_table(parport_default_sysctl_table. | |
581 | sysctl_header); | |
582 | parport_default_sysctl_table.sysctl_header = NULL; | |
583 | } | |
6fa45a22 | 584 | parport_bus_exit(); |
1da177e4 LT |
585 | } |
586 | ||
587 | #else /* no sysctl or no procfs*/ | |
588 | ||
589 | int parport_proc_register(struct parport *pp) | |
590 | { | |
591 | return 0; | |
592 | } | |
593 | ||
594 | int parport_proc_unregister(struct parport *pp) | |
595 | { | |
596 | return 0; | |
597 | } | |
598 | ||
599 | int parport_device_proc_register(struct pardevice *device) | |
600 | { | |
601 | return 0; | |
602 | } | |
603 | ||
604 | int parport_device_proc_unregister(struct pardevice *device) | |
605 | { | |
606 | return 0; | |
607 | } | |
608 | ||
609 | static int __init parport_default_proc_register (void) | |
610 | { | |
6fa45a22 | 611 | return parport_bus_init(); |
1da177e4 LT |
612 | } |
613 | ||
614 | static void __exit parport_default_proc_unregister (void) | |
615 | { | |
6fa45a22 | 616 | parport_bus_exit(); |
1da177e4 LT |
617 | } |
618 | #endif | |
619 | ||
bbca503b | 620 | subsys_initcall(parport_default_proc_register) |
1da177e4 | 621 | module_exit(parport_default_proc_unregister) |