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Commit | Line | Data |
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e01402b1 RB |
1 | /* |
2 | * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. | |
a84c96e2 | 3 | * Copyright (C) 2005, 06 Ralf Baechle (ralf@linux-mips.org) |
e01402b1 RB |
4 | * |
5 | * This program is free software; you can distribute it and/or modify it | |
6 | * under the terms of the GNU General Public License (Version 2) as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
17 | * | |
18 | */ | |
19 | ||
bb3d7c7f | 20 | #include <linux/device.h> |
e01402b1 RB |
21 | #include <linux/kernel.h> |
22 | #include <linux/module.h> | |
23 | #include <linux/fs.h> | |
24 | #include <linux/init.h> | |
2600990e RB |
25 | #include <asm/uaccess.h> |
26 | #include <linux/slab.h> | |
27 | #include <linux/list.h> | |
28 | #include <linux/vmalloc.h> | |
29 | #include <linux/elf.h> | |
30 | #include <linux/seq_file.h> | |
31 | #include <linux/syscalls.h> | |
32 | #include <linux/moduleloader.h> | |
a84c96e2 | 33 | #include <linux/interrupt.h> |
e01402b1 RB |
34 | #include <linux/poll.h> |
35 | #include <linux/sched.h> | |
36 | #include <linux/wait.h> | |
37 | #include <asm/mipsmtregs.h> | |
bb3d7c7f | 38 | #include <asm/mips_mt.h> |
2600990e RB |
39 | #include <asm/cacheflush.h> |
40 | #include <asm/atomic.h> | |
e01402b1 RB |
41 | #include <asm/cpu.h> |
42 | #include <asm/processor.h> | |
2600990e RB |
43 | #include <asm/system.h> |
44 | #include <asm/vpe.h> | |
e01402b1 RB |
45 | #include <asm/rtlx.h> |
46 | ||
e01402b1 RB |
47 | #define RTLX_TARG_VPE 1 |
48 | ||
afc4841d | 49 | static struct rtlx_info *rtlx; |
e01402b1 RB |
50 | static int major; |
51 | static char module_name[] = "rtlx"; | |
e01402b1 RB |
52 | |
53 | static struct chan_waitqueues { | |
54 | wait_queue_head_t rt_queue; | |
55 | wait_queue_head_t lx_queue; | |
c4c4018b | 56 | atomic_t in_open; |
bc4809e9 | 57 | struct mutex mutex; |
e01402b1 RB |
58 | } channel_wqs[RTLX_CHANNELS]; |
59 | ||
2600990e RB |
60 | static struct irqaction irq; |
61 | static int irq_num; | |
62 | static struct vpe_notifications notify; | |
63 | static int sp_stopping = 0; | |
64 | ||
e01402b1 RB |
65 | extern void *vpe_get_shared(int index); |
66 | ||
937a8015 | 67 | static void rtlx_dispatch(void) |
e01402b1 | 68 | { |
97dcb82d | 69 | do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ); |
e01402b1 RB |
70 | } |
71 | ||
2600990e RB |
72 | |
73 | /* Interrupt handler may be called before rtlx_init has otherwise had | |
74 | a chance to run. | |
75 | */ | |
937a8015 | 76 | static irqreturn_t rtlx_interrupt(int irq, void *dev_id) |
e01402b1 | 77 | { |
e01402b1 RB |
78 | int i; |
79 | ||
80 | for (i = 0; i < RTLX_CHANNELS; i++) { | |
2600990e RB |
81 | wake_up(&channel_wqs[i].lx_queue); |
82 | wake_up(&channel_wqs[i].rt_queue); | |
e01402b1 RB |
83 | } |
84 | ||
afc4841d | 85 | return IRQ_HANDLED; |
e01402b1 RB |
86 | } |
87 | ||
2600990e | 88 | static __attribute_used__ void dump_rtlx(void) |
e01402b1 RB |
89 | { |
90 | int i; | |
91 | ||
2600990e | 92 | printk("id 0x%lx state %d\n", rtlx->id, rtlx->state); |
e01402b1 | 93 | |
e01402b1 | 94 | for (i = 0; i < RTLX_CHANNELS; i++) { |
2600990e | 95 | struct rtlx_channel *chan = &rtlx->channel[i]; |
e01402b1 | 96 | |
2600990e RB |
97 | printk(" rt_state %d lx_state %d buffer_size %d\n", |
98 | chan->rt_state, chan->lx_state, chan->buffer_size); | |
e01402b1 | 99 | |
2600990e RB |
100 | printk(" rt_read %d rt_write %d\n", |
101 | chan->rt_read, chan->rt_write); | |
e01402b1 | 102 | |
2600990e RB |
103 | printk(" lx_read %d lx_write %d\n", |
104 | chan->lx_read, chan->lx_write); | |
105 | ||
106 | printk(" rt_buffer <%s>\n", chan->rt_buffer); | |
107 | printk(" lx_buffer <%s>\n", chan->lx_buffer); | |
108 | } | |
109 | } | |
110 | ||
111 | /* call when we have the address of the shared structure from the SP side. */ | |
112 | static int rtlx_init(struct rtlx_info *rtlxi) | |
113 | { | |
114 | if (rtlxi->id != RTLX_ID) { | |
115 | printk(KERN_ERR "no valid RTLX id at 0x%p 0x%x\n", rtlxi, rtlxi->id); | |
116 | return -ENOEXEC; | |
117 | } | |
e01402b1 RB |
118 | |
119 | rtlx = rtlxi; | |
afc4841d RB |
120 | |
121 | return 0; | |
e01402b1 RB |
122 | } |
123 | ||
2600990e RB |
124 | /* notifications */ |
125 | static void starting(int vpe) | |
e01402b1 | 126 | { |
2600990e RB |
127 | int i; |
128 | sp_stopping = 0; | |
129 | ||
130 | /* force a reload of rtlx */ | |
131 | rtlx=NULL; | |
132 | ||
133 | /* wake up any sleeping rtlx_open's */ | |
134 | for (i = 0; i < RTLX_CHANNELS; i++) | |
135 | wake_up_interruptible(&channel_wqs[i].lx_queue); | |
136 | } | |
137 | ||
138 | static void stopping(int vpe) | |
139 | { | |
140 | int i; | |
141 | ||
142 | sp_stopping = 1; | |
143 | for (i = 0; i < RTLX_CHANNELS; i++) | |
144 | wake_up_interruptible(&channel_wqs[i].lx_queue); | |
145 | } | |
146 | ||
147 | ||
148 | int rtlx_open(int index, int can_sleep) | |
149 | { | |
9e346820 | 150 | struct rtlx_info **p; |
67e2ccce | 151 | struct rtlx_channel *chan; |
c4c4018b | 152 | enum rtlx_state state; |
67e2ccce | 153 | int ret = 0; |
e01402b1 | 154 | |
2600990e RB |
155 | if (index >= RTLX_CHANNELS) { |
156 | printk(KERN_DEBUG "rtlx_open index out of range\n"); | |
157 | return -ENOSYS; | |
158 | } | |
159 | ||
c4c4018b RB |
160 | if (atomic_inc_return(&channel_wqs[index].in_open) > 1) { |
161 | printk(KERN_DEBUG "rtlx_open channel %d already opened\n", | |
162 | index); | |
163 | ret = -EBUSY; | |
164 | goto out_fail; | |
2600990e RB |
165 | } |
166 | ||
e01402b1 | 167 | if (rtlx == NULL) { |
e01402b1 | 168 | if( (p = vpe_get_shared(RTLX_TARG_VPE)) == NULL) { |
2600990e | 169 | if (can_sleep) { |
67e2ccce RB |
170 | __wait_event_interruptible(channel_wqs[index].lx_queue, |
171 | (p = vpe_get_shared(RTLX_TARG_VPE)), | |
172 | ret); | |
173 | if (ret) | |
174 | goto out_fail; | |
2600990e | 175 | } else { |
c4c4018b | 176 | printk(KERN_DEBUG "No SP program loaded, and device " |
2600990e | 177 | "opened with O_NONBLOCK\n"); |
67e2ccce RB |
178 | ret = -ENOSYS; |
179 | goto out_fail; | |
2600990e | 180 | } |
e01402b1 RB |
181 | } |
182 | ||
9e346820 | 183 | smp_rmb(); |
e01402b1 | 184 | if (*p == NULL) { |
2600990e | 185 | if (can_sleep) { |
9e346820 RB |
186 | DEFINE_WAIT(wait); |
187 | ||
188 | for (;;) { | |
189 | prepare_to_wait(&channel_wqs[index].lx_queue, &wait, TASK_INTERRUPTIBLE); | |
190 | smp_rmb(); | |
191 | if (*p != NULL) | |
192 | break; | |
193 | if (!signal_pending(current)) { | |
194 | schedule(); | |
195 | continue; | |
196 | } | |
197 | ret = -ERESTARTSYS; | |
67e2ccce | 198 | goto out_fail; |
9e346820 RB |
199 | } |
200 | finish_wait(&channel_wqs[index].lx_queue, &wait); | |
67e2ccce | 201 | } else { |
2600990e RB |
202 | printk(" *vpe_get_shared is NULL. " |
203 | "Has an SP program been loaded?\n"); | |
67e2ccce RB |
204 | ret = -ENOSYS; |
205 | goto out_fail; | |
2600990e RB |
206 | } |
207 | } | |
208 | ||
209 | if ((unsigned int)*p < KSEG0) { | |
210 | printk(KERN_WARNING "vpe_get_shared returned an invalid pointer " | |
211 | "maybe an error code %d\n", (int)*p); | |
67e2ccce RB |
212 | ret = -ENOSYS; |
213 | goto out_fail; | |
e01402b1 RB |
214 | } |
215 | ||
c4c4018b RB |
216 | if ((ret = rtlx_init(*p)) < 0) |
217 | goto out_ret; | |
e01402b1 RB |
218 | } |
219 | ||
2600990e | 220 | chan = &rtlx->channel[index]; |
e01402b1 | 221 | |
c4c4018b RB |
222 | state = xchg(&chan->lx_state, RTLX_STATE_OPENED); |
223 | if (state == RTLX_STATE_OPENED) { | |
224 | ret = -EBUSY; | |
225 | goto out_fail; | |
226 | } | |
67e2ccce RB |
227 | |
228 | out_fail: | |
c4c4018b RB |
229 | smp_mb(); |
230 | atomic_dec(&channel_wqs[index].in_open); | |
231 | smp_mb(); | |
67e2ccce | 232 | |
c4c4018b | 233 | out_ret: |
67e2ccce | 234 | return ret; |
e01402b1 RB |
235 | } |
236 | ||
2600990e | 237 | int rtlx_release(int index) |
e01402b1 | 238 | { |
2600990e | 239 | rtlx->channel[index].lx_state = RTLX_STATE_UNUSED; |
afc4841d | 240 | return 0; |
e01402b1 RB |
241 | } |
242 | ||
2600990e | 243 | unsigned int rtlx_read_poll(int index, int can_sleep) |
e01402b1 | 244 | { |
2600990e | 245 | struct rtlx_channel *chan; |
e01402b1 | 246 | |
2600990e RB |
247 | if (rtlx == NULL) |
248 | return 0; | |
e01402b1 | 249 | |
2600990e | 250 | chan = &rtlx->channel[index]; |
e01402b1 RB |
251 | |
252 | /* data available to read? */ | |
2600990e RB |
253 | if (chan->lx_read == chan->lx_write) { |
254 | if (can_sleep) { | |
67e2ccce | 255 | int ret = 0; |
e01402b1 | 256 | |
67e2ccce RB |
257 | __wait_event_interruptible(channel_wqs[index].lx_queue, |
258 | chan->lx_read != chan->lx_write || sp_stopping, | |
259 | ret); | |
260 | if (ret) | |
261 | return ret; | |
e01402b1 | 262 | |
67e2ccce RB |
263 | if (sp_stopping) |
264 | return 0; | |
265 | } else | |
2600990e RB |
266 | return 0; |
267 | } | |
268 | ||
269 | return (chan->lx_write + chan->buffer_size - chan->lx_read) | |
270 | % chan->buffer_size; | |
e01402b1 RB |
271 | } |
272 | ||
2600990e | 273 | static inline int write_spacefree(int read, int write, int size) |
e01402b1 | 274 | { |
2600990e RB |
275 | if (read == write) { |
276 | /* | |
277 | * Never fill the buffer completely, so indexes are always | |
278 | * equal if empty and only empty, or !equal if data available | |
279 | */ | |
280 | return size - 1; | |
281 | } | |
e01402b1 | 282 | |
2600990e RB |
283 | return ((read + size - write) % size) - 1; |
284 | } | |
e01402b1 | 285 | |
2600990e RB |
286 | unsigned int rtlx_write_poll(int index) |
287 | { | |
288 | struct rtlx_channel *chan = &rtlx->channel[index]; | |
289 | return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size); | |
290 | } | |
e01402b1 | 291 | |
2600990e RB |
292 | static inline void copy_to(void *dst, void *src, size_t count, int user) |
293 | { | |
294 | if (user) | |
295 | copy_to_user(dst, src, count); | |
296 | else | |
297 | memcpy(dst, src, count); | |
298 | } | |
e01402b1 | 299 | |
2600990e RB |
300 | static inline void copy_from(void *dst, void *src, size_t count, int user) |
301 | { | |
302 | if (user) | |
303 | copy_from_user(dst, src, count); | |
304 | else | |
305 | memcpy(dst, src, count); | |
306 | } | |
e01402b1 | 307 | |
2600990e RB |
308 | ssize_t rtlx_read(int index, void *buff, size_t count, int user) |
309 | { | |
61dcc6f4 | 310 | size_t lx_write, fl = 0L; |
2600990e | 311 | struct rtlx_channel *lx; |
e01402b1 | 312 | |
2600990e RB |
313 | if (rtlx == NULL) |
314 | return -ENOSYS; | |
315 | ||
316 | lx = &rtlx->channel[index]; | |
e01402b1 | 317 | |
bc4809e9 | 318 | mutex_lock(&channel_wqs[index].mutex); |
61dcc6f4 RB |
319 | smp_rmb(); |
320 | lx_write = lx->lx_write; | |
321 | ||
e01402b1 | 322 | /* find out how much in total */ |
afc4841d | 323 | count = min(count, |
61dcc6f4 | 324 | (size_t)(lx_write + lx->buffer_size - lx->lx_read) |
2600990e | 325 | % lx->buffer_size); |
e01402b1 RB |
326 | |
327 | /* then how much from the read pointer onwards */ | |
61dcc6f4 | 328 | fl = min(count, (size_t)lx->buffer_size - lx->lx_read); |
e01402b1 | 329 | |
61dcc6f4 | 330 | copy_to(buff, lx->lx_buffer + lx->lx_read, fl, user); |
e01402b1 RB |
331 | |
332 | /* and if there is anything left at the beginning of the buffer */ | |
61dcc6f4 RB |
333 | if (count - fl) |
334 | copy_to(buff + fl, lx->lx_buffer, count - fl, user); | |
e01402b1 | 335 | |
61dcc6f4 RB |
336 | smp_wmb(); |
337 | lx->lx_read = (lx->lx_read + count) % lx->buffer_size; | |
338 | smp_wmb(); | |
bc4809e9 | 339 | mutex_unlock(&channel_wqs[index].mutex); |
e01402b1 | 340 | |
afc4841d | 341 | return count; |
e01402b1 RB |
342 | } |
343 | ||
2600990e RB |
344 | ssize_t rtlx_write(int index, void *buffer, size_t count, int user) |
345 | { | |
346 | struct rtlx_channel *rt; | |
61dcc6f4 | 347 | size_t rt_read; |
2600990e RB |
348 | size_t fl; |
349 | ||
350 | if (rtlx == NULL) | |
351 | return(-ENOSYS); | |
352 | ||
353 | rt = &rtlx->channel[index]; | |
354 | ||
bc4809e9 | 355 | mutex_lock(&channel_wqs[index].mutex); |
61dcc6f4 RB |
356 | smp_rmb(); |
357 | rt_read = rt->rt_read; | |
358 | ||
2600990e RB |
359 | /* total number of bytes to copy */ |
360 | count = min(count, | |
61dcc6f4 | 361 | (size_t)write_spacefree(rt_read, rt->rt_write, rt->buffer_size)); |
2600990e RB |
362 | |
363 | /* first bit from write pointer to the end of the buffer, or count */ | |
364 | fl = min(count, (size_t) rt->buffer_size - rt->rt_write); | |
365 | ||
61dcc6f4 | 366 | copy_from(rt->rt_buffer + rt->rt_write, buffer, fl, user); |
2600990e RB |
367 | |
368 | /* if there's any left copy to the beginning of the buffer */ | |
61dcc6f4 RB |
369 | if (count - fl) |
370 | copy_from(rt->rt_buffer, buffer + fl, count - fl, user); | |
2600990e | 371 | |
61dcc6f4 RB |
372 | smp_wmb(); |
373 | rt->rt_write = (rt->rt_write + count) % rt->buffer_size; | |
374 | smp_wmb(); | |
bc4809e9 | 375 | mutex_unlock(&channel_wqs[index].mutex); |
2600990e | 376 | |
61dcc6f4 | 377 | return count; |
2600990e RB |
378 | } |
379 | ||
380 | ||
381 | static int file_open(struct inode *inode, struct file *filp) | |
382 | { | |
79e55bcf | 383 | int minor = iminor(inode); |
2600990e RB |
384 | |
385 | return rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1); | |
386 | } | |
387 | ||
388 | static int file_release(struct inode *inode, struct file *filp) | |
389 | { | |
79e55bcf | 390 | int minor = iminor(inode); |
2600990e RB |
391 | |
392 | return rtlx_release(minor); | |
393 | } | |
394 | ||
395 | static unsigned int file_poll(struct file *file, poll_table * wait) | |
396 | { | |
397 | int minor; | |
398 | unsigned int mask = 0; | |
399 | ||
1b04fe9a | 400 | minor = iminor(file->f_path.dentry->d_inode); |
2600990e RB |
401 | |
402 | poll_wait(file, &channel_wqs[minor].rt_queue, wait); | |
403 | poll_wait(file, &channel_wqs[minor].lx_queue, wait); | |
404 | ||
405 | if (rtlx == NULL) | |
406 | return 0; | |
407 | ||
408 | /* data available to read? */ | |
409 | if (rtlx_read_poll(minor, 0)) | |
410 | mask |= POLLIN | POLLRDNORM; | |
411 | ||
412 | /* space to write */ | |
413 | if (rtlx_write_poll(minor)) | |
414 | mask |= POLLOUT | POLLWRNORM; | |
415 | ||
416 | return mask; | |
417 | } | |
418 | ||
419 | static ssize_t file_read(struct file *file, char __user * buffer, size_t count, | |
420 | loff_t * ppos) | |
421 | { | |
1b04fe9a | 422 | int minor = iminor(file->f_path.dentry->d_inode); |
2600990e RB |
423 | |
424 | /* data available? */ | |
425 | if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) { | |
426 | return 0; // -EAGAIN makes cat whinge | |
427 | } | |
428 | ||
429 | return rtlx_read(minor, buffer, count, 1); | |
430 | } | |
431 | ||
432 | static ssize_t file_write(struct file *file, const char __user * buffer, | |
e01402b1 RB |
433 | size_t count, loff_t * ppos) |
434 | { | |
435 | int minor; | |
436 | struct rtlx_channel *rt; | |
e01402b1 | 437 | |
1b04fe9a | 438 | minor = iminor(file->f_path.dentry->d_inode); |
e01402b1 RB |
439 | rt = &rtlx->channel[minor]; |
440 | ||
441 | /* any space left... */ | |
2600990e | 442 | if (!rtlx_write_poll(minor)) { |
67e2ccce | 443 | int ret = 0; |
e01402b1 RB |
444 | |
445 | if (file->f_flags & O_NONBLOCK) | |
afc4841d | 446 | return -EAGAIN; |
e01402b1 | 447 | |
67e2ccce RB |
448 | __wait_event_interruptible(channel_wqs[minor].rt_queue, |
449 | rtlx_write_poll(minor), | |
450 | ret); | |
451 | if (ret) | |
452 | return ret; | |
e01402b1 RB |
453 | } |
454 | ||
2600990e | 455 | return rtlx_write(minor, (void *)buffer, count, 1); |
e01402b1 RB |
456 | } |
457 | ||
5dfe4c96 | 458 | static const struct file_operations rtlx_fops = { |
2600990e RB |
459 | .owner = THIS_MODULE, |
460 | .open = file_open, | |
461 | .release = file_release, | |
462 | .write = file_write, | |
463 | .read = file_read, | |
464 | .poll = file_poll | |
e01402b1 RB |
465 | }; |
466 | ||
2600990e RB |
467 | static struct irqaction rtlx_irq = { |
468 | .handler = rtlx_interrupt, | |
f40298fd | 469 | .flags = IRQF_DISABLED, |
2600990e RB |
470 | .name = "RTLX", |
471 | }; | |
472 | ||
97dcb82d | 473 | static int rtlx_irq_num = MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ; |
2600990e | 474 | |
afc4841d RB |
475 | static char register_chrdev_failed[] __initdata = |
476 | KERN_ERR "rtlx_module_init: unable to register device\n"; | |
477 | ||
2600990e | 478 | static int rtlx_module_init(void) |
e01402b1 | 479 | { |
bb3d7c7f RB |
480 | struct device *dev; |
481 | int i, err; | |
2600990e | 482 | |
afc4841d RB |
483 | major = register_chrdev(0, module_name, &rtlx_fops); |
484 | if (major < 0) { | |
485 | printk(register_chrdev_failed); | |
486 | return major; | |
e01402b1 RB |
487 | } |
488 | ||
2600990e RB |
489 | /* initialise the wait queues */ |
490 | for (i = 0; i < RTLX_CHANNELS; i++) { | |
491 | init_waitqueue_head(&channel_wqs[i].rt_queue); | |
492 | init_waitqueue_head(&channel_wqs[i].lx_queue); | |
c4c4018b | 493 | atomic_set(&channel_wqs[i].in_open, 0); |
bc4809e9 | 494 | mutex_init(&channel_wqs[i].mutex); |
bb3d7c7f RB |
495 | |
496 | dev = device_create(mt_class, NULL, MKDEV(major, i), | |
497 | "%s%d", module_name, i); | |
498 | if (IS_ERR(dev)) { | |
499 | err = PTR_ERR(dev); | |
500 | goto out_chrdev; | |
501 | } | |
2600990e RB |
502 | } |
503 | ||
504 | /* set up notifiers */ | |
505 | notify.start = starting; | |
506 | notify.stop = stopping; | |
507 | vpe_notify(RTLX_TARG_VPE, ¬ify); | |
508 | ||
509 | if (cpu_has_vint) | |
510 | set_vi_handler(MIPS_CPU_RTLX_IRQ, rtlx_dispatch); | |
511 | ||
512 | rtlx_irq.dev_id = rtlx; | |
513 | setup_irq(rtlx_irq_num, &rtlx_irq); | |
514 | ||
afc4841d | 515 | return 0; |
bb3d7c7f RB |
516 | |
517 | out_chrdev: | |
518 | for (i = 0; i < RTLX_CHANNELS; i++) | |
519 | device_destroy(mt_class, MKDEV(major, i)); | |
520 | ||
521 | return err; | |
e01402b1 RB |
522 | } |
523 | ||
afc4841d | 524 | static void __exit rtlx_module_exit(void) |
e01402b1 | 525 | { |
bb3d7c7f RB |
526 | int i; |
527 | ||
528 | for (i = 0; i < RTLX_CHANNELS; i++) | |
529 | device_destroy(mt_class, MKDEV(major, i)); | |
530 | ||
e01402b1 RB |
531 | unregister_chrdev(major, module_name); |
532 | } | |
533 | ||
534 | module_init(rtlx_module_init); | |
535 | module_exit(rtlx_module_exit); | |
afc4841d | 536 | |
e01402b1 | 537 | MODULE_DESCRIPTION("MIPS RTLX"); |
2600990e | 538 | MODULE_AUTHOR("Elizabeth Oldham, MIPS Technologies, Inc."); |
e01402b1 | 539 | MODULE_LICENSE("GPL"); |