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path: root/drivers/memstick/host/tifm_ms.c
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-rw-r--r--drivers/memstick/host/tifm_ms.c685
1 files changed, 685 insertions, 0 deletions
diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c
new file mode 100644
index 000000000000..f55b71a4337d
--- /dev/null
+++ b/drivers/memstick/host/tifm_ms.c
@@ -0,0 +1,685 @@
1/*
2 * TI FlashMedia driver
3 *
4 * Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Special thanks to Carlos Corbacho for providing various MemoryStick cards
11 * that made this driver possible.
12 *
13 */
14
15#include <linux/tifm.h>
16#include <linux/memstick.h>
17#include <linux/highmem.h>
18#include <linux/scatterlist.h>
19#include <linux/log2.h>
20#include <asm/io.h>
21
22#define DRIVER_NAME "tifm_ms"
23#define DRIVER_VERSION "0.1"
24
25static int no_dma;
26module_param(no_dma, bool, 0644);
27
28#define TIFM_MS_TIMEOUT 0x00100
29#define TIFM_MS_BADCRC 0x00200
30#define TIFM_MS_EOTPC 0x01000
31#define TIFM_MS_INT 0x02000
32
33/* The meaning of the bit majority in this constant is unknown. */
34#define TIFM_MS_SERIAL 0x04010
35
36#define TIFM_MS_SYS_LATCH 0x00100
37#define TIFM_MS_SYS_NOT_RDY 0x00800
38#define TIFM_MS_SYS_DATA 0x10000
39
40/* Hardware flags */
41enum {
42 CMD_READY = 0x0001,
43 FIFO_READY = 0x0002,
44 CARD_READY = 0x0004,
45 DATA_CARRY = 0x0008
46};
47
48struct tifm_ms {
49 struct tifm_dev *dev;
50 unsigned short eject:1,
51 no_dma:1;
52 unsigned short cmd_flags;
53 unsigned int mode_mask;
54 unsigned int block_pos;
55 unsigned long timeout_jiffies;
56
57 struct timer_list timer;
58 struct memstick_request *req;
59 unsigned int io_word;
60};
61
62static void tifm_ms_read_fifo(struct tifm_ms *host, unsigned int fifo_offset,
63 struct page *pg, unsigned int page_off,
64 unsigned int length)
65{
66 struct tifm_dev *sock = host->dev;
67 unsigned int cnt = 0, off = 0;
68 unsigned char *buf = kmap_atomic(pg, KM_BIO_DST_IRQ) + page_off;
69
70 if (host->cmd_flags & DATA_CARRY) {
71 while ((fifo_offset & 3) && length) {
72 buf[off++] = host->io_word & 0xff;
73 host->io_word >>= 8;
74 length--;
75 fifo_offset++;
76 }
77 if (!(fifo_offset & 3))
78 host->cmd_flags &= ~DATA_CARRY;
79 if (!length)
80 return;
81 }
82
83 do {
84 host->io_word = readl(sock->addr + SOCK_FIFO_ACCESS
85 + fifo_offset);
86 cnt = 4;
87 while (length && cnt) {
88 buf[off++] = (host->io_word >> 8) & 0xff;
89 cnt--;
90 length--;
91 }
92 fifo_offset += 4 - cnt;
93 } while (length);
94
95 if (cnt)
96 host->cmd_flags |= DATA_CARRY;
97
98 kunmap_atomic(buf - page_off, KM_BIO_DST_IRQ);
99}
100
101static void tifm_ms_write_fifo(struct tifm_ms *host, unsigned int fifo_offset,
102 struct page *pg, unsigned int page_off,
103 unsigned int length)
104{
105 struct tifm_dev *sock = host->dev;
106 unsigned int cnt = 0, off = 0;
107 unsigned char *buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + page_off;
108
109 if (host->cmd_flags & DATA_CARRY) {
110 while (fifo_offset & 3) {
111 host->io_word |= buf[off++] << (8 * (fifo_offset & 3));
112 length--;
113 fifo_offset++;
114 }
115 if (!(fifo_offset & 3)) {
116 writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS
117 + fifo_offset - 4);
118
119 host->cmd_flags &= ~DATA_CARRY;
120 }
121 if (!length)
122 return;
123 }
124
125 do {
126 cnt = 4;
127 host->io_word = 0;
128 while (length && cnt) {
129 host->io_word |= buf[off++] << (4 - cnt);
130 cnt--;
131 length--;
132 }
133 fifo_offset += 4 - cnt;
134 if (!cnt)
135 writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS
136 + fifo_offset - 4);
137
138 } while (length);
139
140 if (cnt)
141 host->cmd_flags |= DATA_CARRY;
142
143 kunmap_atomic(buf - page_off, KM_BIO_SRC_IRQ);
144}
145
146static void tifm_ms_move_block(struct tifm_ms *host, unsigned int length)
147{
148 unsigned int t_size;
149 unsigned int off = host->req->sg.offset + host->block_pos;
150 unsigned int p_off, p_cnt;
151 struct page *pg;
152 unsigned long flags;
153
154 dev_dbg(&host->dev->dev, "moving block\n");
155 local_irq_save(flags);
156 t_size = length;
157 while (t_size) {
158 pg = nth_page(sg_page(&host->req->sg), off >> PAGE_SHIFT);
159 p_off = offset_in_page(off);
160 p_cnt = PAGE_SIZE - p_off;
161 p_cnt = min(p_cnt, t_size);
162
163 if (host->req->data_dir == WRITE)
164 tifm_ms_write_fifo(host, length - t_size,
165 pg, p_off, p_cnt);
166 else
167 tifm_ms_read_fifo(host, length - t_size,
168 pg, p_off, p_cnt);
169
170 t_size -= p_cnt;
171 }
172 local_irq_restore(flags);
173}
174
175static int tifm_ms_transfer_data(struct tifm_ms *host, int skip)
176{
177 struct tifm_dev *sock = host->dev;
178 unsigned int length = host->req->sg.length - host->block_pos;
179
180 if (!length)
181 return 1;
182
183 if (length > TIFM_FIFO_SIZE)
184 length = TIFM_FIFO_SIZE;
185
186 if (!skip) {
187 tifm_ms_move_block(host, length);
188 host->block_pos += length;
189 }
190
191 if ((host->req->data_dir == READ)
192 && (host->block_pos == host->req->sg.length))
193 return 1;
194
195 writel(ilog2(length) - 2, sock->addr + SOCK_FIFO_PAGE_SIZE);
196 if (host->req->data_dir == WRITE)
197 writel((1 << 8) | TIFM_DMA_TX, sock->addr + SOCK_DMA_CONTROL);
198 else
199 writel((1 << 8), sock->addr + SOCK_DMA_CONTROL);
200
201 return 0;
202}
203
204static int tifm_ms_issue_cmd(struct tifm_ms *host)
205{
206 struct tifm_dev *sock = host->dev;
207 unsigned char *data;
208 unsigned int data_len = 0, cmd = 0, cmd_mask = 0, cnt, tval = 0;
209
210 host->cmd_flags = 0;
211
212 if (host->req->io_type == MEMSTICK_IO_SG) {
213 if (!host->no_dma) {
214 if (1 != tifm_map_sg(sock, &host->req->sg, 1,
215 host->req->data_dir == READ
216 ? PCI_DMA_FROMDEVICE
217 : PCI_DMA_TODEVICE)) {
218 host->req->error = -ENOMEM;
219 return host->req->error;
220 }
221 data_len = sg_dma_len(&host->req->sg);
222 } else
223 data_len = host->req->sg.length;
224
225 writel(TIFM_FIFO_INT_SETALL,
226 sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
227 writel(TIFM_FIFO_ENABLE,
228 sock->addr + SOCK_FIFO_CONTROL);
229 writel(TIFM_FIFO_INTMASK,
230 sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
231
232 if (!host->no_dma) {
233 writel(ilog2(data_len) - 2,
234 sock->addr + SOCK_FIFO_PAGE_SIZE);
235 writel(sg_dma_address(&host->req->sg),
236 sock->addr + SOCK_DMA_ADDRESS);
237 if (host->req->data_dir == WRITE)
238 writel((1 << 8) | TIFM_DMA_TX | TIFM_DMA_EN,
239 sock->addr + SOCK_DMA_CONTROL);
240 else
241 writel((1 << 8) | TIFM_DMA_EN,
242 sock->addr + SOCK_DMA_CONTROL);
243 } else {
244 tifm_ms_transfer_data(host,
245 host->req->data_dir == READ);
246 }
247
248 cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM);
249 cmd_mask |= TIFM_MS_SYS_DATA | TIFM_MS_SYS_NOT_RDY;
250 writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
251 } else if (host->req->io_type == MEMSTICK_IO_VAL) {
252 data = host->req->data;
253 data_len = host->req->data_len;
254
255 cmd_mask = host->mode_mask | 0x2607; /* unknown constant */
256
257 if (host->req->data_dir == WRITE) {
258 cmd_mask |= TIFM_MS_SYS_LATCH;
259 writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
260 for (cnt = 0; (data_len - cnt) >= 4; cnt += 4) {
261 writel(TIFM_MS_SYS_LATCH
262 | readl(sock->addr + SOCK_MS_SYSTEM),
263 sock->addr + SOCK_MS_SYSTEM);
264 __raw_writel(*(unsigned int *)(data + cnt),
265 sock->addr + SOCK_MS_DATA);
266 dev_dbg(&sock->dev, "writing %x\n",
267 *(int *)(data + cnt));
268 }
269 switch (data_len - cnt) {
270 case 3:
271 tval |= data[cnt + 2] << 16;
272 case 2:
273 tval |= data[cnt + 1] << 8;
274 case 1:
275 tval |= data[cnt];
276 writel(TIFM_MS_SYS_LATCH
277 | readl(sock->addr + SOCK_MS_SYSTEM),
278 sock->addr + SOCK_MS_SYSTEM);
279 writel(tval, sock->addr + SOCK_MS_DATA);
280 dev_dbg(&sock->dev, "writing %x\n", tval);
281 }
282
283 writel(TIFM_MS_SYS_LATCH
284 | readl(sock->addr + SOCK_MS_SYSTEM),
285 sock + SOCK_MS_SYSTEM);
286 writel(0, sock->addr + SOCK_MS_DATA);
287 dev_dbg(&sock->dev, "writing %x\n", 0);
288
289 } else
290 writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
291
292 cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM);
293 cmd_mask &= ~TIFM_MS_SYS_DATA;
294 cmd_mask |= TIFM_MS_SYS_NOT_RDY;
295 dev_dbg(&sock->dev, "mask %x\n", cmd_mask);
296 writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
297 } else
298 BUG();
299
300 mod_timer(&host->timer, jiffies + host->timeout_jiffies);
301 writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL),
302 sock->addr + SOCK_CONTROL);
303 host->req->error = 0;
304
305 cmd = (host->req->tpc & 0xf) << 12;
306 cmd |= data_len;
307 writel(cmd, sock->addr + SOCK_MS_COMMAND);
308
309 dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, cmd_mask);
310 return 0;
311}
312
313static void tifm_ms_complete_cmd(struct tifm_ms *host)
314{
315 struct tifm_dev *sock = host->dev;
316 struct memstick_host *msh = tifm_get_drvdata(sock);
317 unsigned int tval = 0, data_len;
318 unsigned char *data;
319 int rc;
320
321 del_timer(&host->timer);
322 if (host->req->io_type == MEMSTICK_IO_SG) {
323 if (!host->no_dma)
324 tifm_unmap_sg(sock, &host->req->sg, 1,
325 host->req->data_dir == READ
326 ? PCI_DMA_FROMDEVICE
327 : PCI_DMA_TODEVICE);
328 } else if (host->req->io_type == MEMSTICK_IO_VAL) {
329 writel(~TIFM_MS_SYS_DATA & readl(sock->addr + SOCK_MS_SYSTEM),
330 sock->addr + SOCK_MS_SYSTEM);
331
332 data = host->req->data;
333 data_len = host->req->data_len;
334
335 if (host->req->data_dir == READ) {
336 for (rc = 0; (data_len - rc) >= 4; rc += 4)
337 *(int *)(data + rc)
338 = __raw_readl(sock->addr
339 + SOCK_MS_DATA);
340
341 if (data_len - rc)
342 tval = readl(sock->addr + SOCK_MS_DATA);
343 switch (data_len - rc) {
344 case 3:
345 data[rc + 2] = (tval >> 16) & 0xff;
346 case 2:
347 data[rc + 1] = (tval >> 8) & 0xff;
348 case 1:
349 data[rc] = tval & 0xff;
350 }
351 readl(sock->addr + SOCK_MS_DATA);
352 }
353 }
354
355 writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL),
356 sock->addr + SOCK_CONTROL);
357
358 do {
359 rc = memstick_next_req(msh, &host->req);
360 } while (!rc && tifm_ms_issue_cmd(host));
361}
362
363static int tifm_ms_check_status(struct tifm_ms *host)
364{
365 if (!host->req->error) {
366 if (!(host->cmd_flags & CMD_READY))
367 return 1;
368 if ((host->req->io_type == MEMSTICK_IO_SG)
369 && !(host->cmd_flags & FIFO_READY))
370 return 1;
371 if (host->req->need_card_int
372 && !(host->cmd_flags & CARD_READY))
373 return 1;
374 }
375 return 0;
376}
377
378/* Called from interrupt handler */
379static void tifm_ms_data_event(struct tifm_dev *sock)
380{
381 struct tifm_ms *host;
382 unsigned int fifo_status = 0;
383 int rc = 1;
384
385 spin_lock(&sock->lock);
386 host = memstick_priv((struct memstick_host *)tifm_get_drvdata(sock));
387 fifo_status = readl(sock->addr + SOCK_DMA_FIFO_STATUS);
388 dev_dbg(&sock->dev, "data event: fifo_status %x, flags %x\n",
389 fifo_status, host->cmd_flags);
390
391 if (host->req) {
392 if (fifo_status & TIFM_FIFO_READY) {
393 if (!host->no_dma || tifm_ms_transfer_data(host, 0)) {
394 host->cmd_flags |= FIFO_READY;
395 rc = tifm_ms_check_status(host);
396 }
397 }
398 }
399
400 writel(fifo_status, sock->addr + SOCK_DMA_FIFO_STATUS);
401 if (!rc)
402 tifm_ms_complete_cmd(host);
403
404 spin_unlock(&sock->lock);
405}
406
407
408/* Called from interrupt handler */
409static void tifm_ms_card_event(struct tifm_dev *sock)
410{
411 struct tifm_ms *host;
412 unsigned int host_status = 0;
413 int rc = 1;
414
415 spin_lock(&sock->lock);
416 host = memstick_priv((struct memstick_host *)tifm_get_drvdata(sock));
417 host_status = readl(sock->addr + SOCK_MS_STATUS);
418 dev_dbg(&sock->dev, "host event: host_status %x, flags %x\n",
419 host_status, host->cmd_flags);
420
421 if (host->req) {
422 if (host_status & TIFM_MS_TIMEOUT)
423 host->req->error = -ETIME;
424 else if (host_status & TIFM_MS_BADCRC)
425 host->req->error = -EILSEQ;
426
427 if (host->req->error) {
428 writel(TIFM_FIFO_INT_SETALL,
429 sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
430 writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL);
431 }
432
433 if (host_status & TIFM_MS_EOTPC)
434 host->cmd_flags |= CMD_READY;
435 if (host_status & TIFM_MS_INT)
436 host->cmd_flags |= CARD_READY;
437
438 rc = tifm_ms_check_status(host);
439
440 }
441
442 writel(TIFM_MS_SYS_NOT_RDY | readl(sock->addr + SOCK_MS_SYSTEM),
443 sock->addr + SOCK_MS_SYSTEM);
444 writel((~TIFM_MS_SYS_DATA) & readl(sock->addr + SOCK_MS_SYSTEM),
445 sock->addr + SOCK_MS_SYSTEM);
446
447 if (!rc)
448 tifm_ms_complete_cmd(host);
449
450 spin_unlock(&sock->lock);
451 return;
452}
453
454static void tifm_ms_request(struct memstick_host *msh)
455{
456 struct tifm_ms *host = memstick_priv(msh);
457 struct tifm_dev *sock = host->dev;
458 unsigned long flags;
459 int rc;
460
461 spin_lock_irqsave(&sock->lock, flags);
462 if (host->req) {
463 printk(KERN_ERR "%s : unfinished request detected\n",
464 sock->dev.bus_id);
465 spin_unlock_irqrestore(&sock->lock, flags);
466 tifm_eject(host->dev);
467 return;
468 }
469
470 if (host->eject) {
471 do {
472 rc = memstick_next_req(msh, &host->req);
473 if (!rc)
474 host->req->error = -ETIME;
475 } while (!rc);
476 spin_unlock_irqrestore(&sock->lock, flags);
477 return;
478 }
479
480 do {
481 rc = memstick_next_req(msh, &host->req);
482 } while (!rc && tifm_ms_issue_cmd(host));
483
484 spin_unlock_irqrestore(&sock->lock, flags);
485 return;
486}
487
488static void tifm_ms_set_param(struct memstick_host *msh,
489 enum memstick_param param,
490 int value)
491{
492 struct tifm_ms *host = memstick_priv(msh);
493 struct tifm_dev *sock = host->dev;
494 unsigned long flags;
495
496 spin_lock_irqsave(&sock->lock, flags);
497
498 switch (param) {
499 case MEMSTICK_POWER:
500 /* this is set by card detection mechanism */
501 break;
502 case MEMSTICK_INTERFACE:
503 if (value == MEMSTICK_SERIAL) {
504 host->mode_mask = TIFM_MS_SERIAL;
505 writel((~TIFM_CTRL_FAST_CLK)
506 & readl(sock->addr + SOCK_CONTROL),
507 sock->addr + SOCK_CONTROL);
508 } else if (value == MEMSTICK_PARALLEL) {
509 host->mode_mask = 0;
510 writel(TIFM_CTRL_FAST_CLK
511 | readl(sock->addr + SOCK_CONTROL),
512 sock->addr + SOCK_CONTROL);
513 }
514 break;
515 };
516
517 spin_unlock_irqrestore(&sock->lock, flags);
518}
519
520static void tifm_ms_abort(unsigned long data)
521{
522 struct tifm_ms *host = (struct tifm_ms *)data;
523
524 dev_dbg(&host->dev->dev, "status %x\n",
525 readl(host->dev->addr + SOCK_MS_STATUS));
526 printk(KERN_ERR
527 "%s : card failed to respond for a long period of time "
528 "(%x, %x)\n",
529 host->dev->dev.bus_id, host->req ? host->req->tpc : 0,
530 host->cmd_flags);
531
532 tifm_eject(host->dev);
533}
534
535static int tifm_ms_initialize_host(struct tifm_ms *host)
536{
537 struct tifm_dev *sock = host->dev;
538 struct memstick_host *msh = tifm_get_drvdata(sock);
539
540 host->mode_mask = TIFM_MS_SERIAL;
541 writel(0x8000, sock->addr + SOCK_MS_SYSTEM);
542 writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM);
543 writel(0xffffffff, sock->addr + SOCK_MS_STATUS);
544 if (tifm_has_ms_pif(sock))
545 msh->caps |= MEMSTICK_CAP_PARALLEL;
546
547 return 0;
548}
549
550static int tifm_ms_probe(struct tifm_dev *sock)
551{
552 struct memstick_host *msh;
553 struct tifm_ms *host;
554 int rc = -EIO;
555
556 if (!(TIFM_SOCK_STATE_OCCUPIED
557 & readl(sock->addr + SOCK_PRESENT_STATE))) {
558 printk(KERN_WARNING "%s : card gone, unexpectedly\n",
559 sock->dev.bus_id);
560 return rc;
561 }
562
563 msh = memstick_alloc_host(sizeof(struct tifm_ms), &sock->dev);
564 if (!msh)
565 return -ENOMEM;
566
567 host = memstick_priv(msh);
568 tifm_set_drvdata(sock, msh);
569 host->dev = sock;
570 host->timeout_jiffies = msecs_to_jiffies(1000);
571 host->no_dma = no_dma;
572
573 setup_timer(&host->timer, tifm_ms_abort, (unsigned long)host);
574
575 msh->request = tifm_ms_request;
576 msh->set_param = tifm_ms_set_param;
577 sock->card_event = tifm_ms_card_event;
578 sock->data_event = tifm_ms_data_event;
579 rc = tifm_ms_initialize_host(host);
580
581 if (!rc)
582 rc = memstick_add_host(msh);
583 if (!rc)
584 return 0;
585
586 memstick_free_host(msh);
587 return rc;
588}
589
590static void tifm_ms_remove(struct tifm_dev *sock)
591{
592 struct memstick_host *msh = tifm_get_drvdata(sock);
593 struct tifm_ms *host = memstick_priv(msh);
594 int rc = 0;
595 unsigned long flags;
596
597 spin_lock_irqsave(&sock->lock, flags);
598 host->eject = 1;
599 if (host->req) {
600 del_timer(&host->timer);
601 writel(TIFM_FIFO_INT_SETALL,
602 sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
603 writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL);
604 if ((host->req->io_type == MEMSTICK_IO_SG) && !host->no_dma)
605 tifm_unmap_sg(sock, &host->req->sg, 1,
606 host->req->data_dir == READ
607 ? PCI_DMA_TODEVICE
608 : PCI_DMA_FROMDEVICE);
609 host->req->error = -ETIME;
610
611 do {
612 rc = memstick_next_req(msh, &host->req);
613 if (!rc)
614 host->req->error = -ETIME;
615 } while (!rc);
616 }
617 spin_unlock_irqrestore(&sock->lock, flags);
618
619 memstick_remove_host(msh);
620
621 writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM);
622 writel(0xffffffff, sock->addr + SOCK_MS_STATUS);
623
624 memstick_free_host(msh);
625}
626
627#ifdef CONFIG_PM
628
629static int tifm_ms_suspend(struct tifm_dev *sock, pm_message_t state)
630{
631 return 0;
632}
633
634static int tifm_ms_resume(struct tifm_dev *sock)
635{
636 struct memstick_host *msh = tifm_get_drvdata(sock);
637 struct tifm_ms *host = memstick_priv(msh);
638
639 tifm_ms_initialize_host(host);
640 memstick_detect_change(msh);
641
642 return 0;
643}
644
645#else
646
647#define tifm_ms_suspend NULL
648#define tifm_ms_resume NULL
649
650#endif /* CONFIG_PM */
651
652static struct tifm_device_id tifm_ms_id_tbl[] = {
653 { TIFM_TYPE_MS }, { 0 }
654};
655
656static struct tifm_driver tifm_ms_driver = {
657 .driver = {
658 .name = DRIVER_NAME,
659 .owner = THIS_MODULE
660 },
661 .id_table = tifm_ms_id_tbl,
662 .probe = tifm_ms_probe,
663 .remove = tifm_ms_remove,
664 .suspend = tifm_ms_suspend,
665 .resume = tifm_ms_resume
666};
667
668static int __init tifm_ms_init(void)
669{
670 return tifm_register_driver(&tifm_ms_driver);
671}
672
673static void __exit tifm_ms_exit(void)
674{
675 tifm_unregister_driver(&tifm_ms_driver);
676}
677
678MODULE_AUTHOR("Alex Dubov");
679MODULE_DESCRIPTION("TI FlashMedia MemoryStick driver");
680MODULE_LICENSE("GPL");
681MODULE_DEVICE_TABLE(tifm, tifm_ms_id_tbl);
682MODULE_VERSION(DRIVER_VERSION);
683
684module_init(tifm_ms_init);
685module_exit(tifm_ms_exit);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 08:38:02 -0500