2 * Sony MemoryStick Pro storage support
4 * Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
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.
10 * Special thanks to Carlos Corbacho for providing various MemoryStick cards
11 * that made this driver possible.
15 #include <linux/blkdev.h>
16 #include <linux/idr.h>
17 #include <linux/hdreg.h>
18 #include <linux/kthread.h>
19 #include <linux/delay.h>
20 #include <linux/slab.h>
21 #include <linux/memstick.h>
23 #define DRIVER_NAME "mspro_block"
26 module_param(major
, int, 0644);
28 #define MSPRO_BLOCK_MAX_SEGS 32
29 #define MSPRO_BLOCK_MAX_PAGES ((2 << 16) - 1)
31 #define MSPRO_BLOCK_SIGNATURE 0xa5c3
32 #define MSPRO_BLOCK_MAX_ATTRIBUTES 41
34 #define MSPRO_BLOCK_PART_SHIFT 3
37 MSPRO_BLOCK_ID_SYSINFO
= 0x10,
38 MSPRO_BLOCK_ID_MODELNAME
= 0x15,
39 MSPRO_BLOCK_ID_MBR
= 0x20,
40 MSPRO_BLOCK_ID_PBR16
= 0x21,
41 MSPRO_BLOCK_ID_PBR32
= 0x22,
42 MSPRO_BLOCK_ID_SPECFILEVALUES1
= 0x25,
43 MSPRO_BLOCK_ID_SPECFILEVALUES2
= 0x26,
44 MSPRO_BLOCK_ID_DEVINFO
= 0x30
47 struct mspro_sys_attr
{
52 struct device_attribute dev_attr
;
55 struct mspro_attr_entry
{
59 unsigned char reserved
[3];
60 } __attribute__((packed
));
62 struct mspro_attribute
{
64 unsigned short version
;
66 unsigned char reserved
[11];
67 struct mspro_attr_entry entries
[];
68 } __attribute__((packed
));
70 struct mspro_sys_info
{
72 unsigned char reserved0
;
75 __be16 user_block_count
;
77 unsigned char reserved1
[2];
78 unsigned char assembly_date
[8];
80 unsigned char assembly_maker_code
;
81 unsigned char assembly_model_code
[3];
82 __be16 memory_maker_code
;
83 __be16 memory_model_code
;
84 unsigned char reserved2
[4];
87 __be16 controller_number
;
88 __be16 controller_function
;
91 unsigned char ms_sub_class
;
92 unsigned char reserved3
[4];
93 unsigned char interface_type
;
94 __be16 controller_code
;
95 unsigned char format_type
;
96 unsigned char reserved4
;
97 unsigned char device_type
;
98 unsigned char reserved5
[7];
99 unsigned char mspro_id
[16];
100 unsigned char reserved6
[16];
101 } __attribute__((packed
));
104 unsigned char boot_partition
;
105 unsigned char start_head
;
106 unsigned char start_sector
;
107 unsigned char start_cylinder
;
108 unsigned char partition_type
;
109 unsigned char end_head
;
110 unsigned char end_sector
;
111 unsigned char end_cylinder
;
112 unsigned int start_sectors
;
113 unsigned int sectors_per_partition
;
114 } __attribute__((packed
));
116 struct mspro_specfile
{
120 unsigned char reserved
[10];
123 unsigned short cluster
;
125 } __attribute__((packed
));
127 struct mspro_devinfo
{
130 __be16 bytes_per_track
;
131 __be16 bytes_per_sector
;
132 __be16 sectors_per_track
;
133 unsigned char reserved
[6];
134 } __attribute__((packed
));
136 struct mspro_block_data
{
137 struct memstick_dev
*card
;
138 unsigned int usage_count
;
140 struct gendisk
*disk
;
141 struct request_queue
*queue
;
142 struct request
*block_req
;
145 unsigned short page_size
;
146 unsigned short cylinders
;
147 unsigned short heads
;
148 unsigned short sectors_per_track
;
150 unsigned char system
;
151 unsigned char read_only
:1,
156 unsigned char transfer_cmd
;
158 int (*mrq_handler
)(struct memstick_dev
*card
,
159 struct memstick_request
**mrq
);
161 struct attribute_group attr_group
;
163 struct scatterlist req_sg
[MSPRO_BLOCK_MAX_SEGS
];
164 unsigned int seg_count
;
165 unsigned int current_seg
;
166 unsigned int current_page
;
169 static DEFINE_IDR(mspro_block_disk_idr
);
170 static DEFINE_MUTEX(mspro_block_disk_lock
);
172 static int mspro_block_complete_req(struct memstick_dev
*card
, int error
);
174 /*** Block device ***/
176 static int mspro_block_bd_open(struct block_device
*bdev
, fmode_t mode
)
178 struct gendisk
*disk
= bdev
->bd_disk
;
179 struct mspro_block_data
*msb
= disk
->private_data
;
182 mutex_lock(&mspro_block_disk_lock
);
184 if (msb
&& msb
->card
) {
186 if ((mode
& FMODE_WRITE
) && msb
->read_only
)
192 mutex_unlock(&mspro_block_disk_lock
);
198 static int mspro_block_disk_release(struct gendisk
*disk
)
200 struct mspro_block_data
*msb
= disk
->private_data
;
201 int disk_id
= MINOR(disk_devt(disk
)) >> MSPRO_BLOCK_PART_SHIFT
;
203 mutex_lock(&mspro_block_disk_lock
);
206 if (msb
->usage_count
)
209 if (!msb
->usage_count
) {
211 disk
->private_data
= NULL
;
212 idr_remove(&mspro_block_disk_idr
, disk_id
);
217 mutex_unlock(&mspro_block_disk_lock
);
222 static int mspro_block_bd_release(struct gendisk
*disk
, fmode_t mode
)
224 return mspro_block_disk_release(disk
);
227 static int mspro_block_bd_getgeo(struct block_device
*bdev
,
228 struct hd_geometry
*geo
)
230 struct mspro_block_data
*msb
= bdev
->bd_disk
->private_data
;
232 geo
->heads
= msb
->heads
;
233 geo
->sectors
= msb
->sectors_per_track
;
234 geo
->cylinders
= msb
->cylinders
;
239 static const struct block_device_operations ms_block_bdops
= {
240 .open
= mspro_block_bd_open
,
241 .release
= mspro_block_bd_release
,
242 .getgeo
= mspro_block_bd_getgeo
,
246 /*** Information ***/
248 static struct mspro_sys_attr
*mspro_from_sysfs_attr(struct attribute
*attr
)
250 struct device_attribute
*dev_attr
251 = container_of(attr
, struct device_attribute
, attr
);
252 return container_of(dev_attr
, struct mspro_sys_attr
, dev_attr
);
255 static const char *mspro_block_attr_name(unsigned char tag
)
258 case MSPRO_BLOCK_ID_SYSINFO
:
259 return "attr_sysinfo";
260 case MSPRO_BLOCK_ID_MODELNAME
:
261 return "attr_modelname";
262 case MSPRO_BLOCK_ID_MBR
:
264 case MSPRO_BLOCK_ID_PBR16
:
266 case MSPRO_BLOCK_ID_PBR32
:
268 case MSPRO_BLOCK_ID_SPECFILEVALUES1
:
269 return "attr_specfilevalues1";
270 case MSPRO_BLOCK_ID_SPECFILEVALUES2
:
271 return "attr_specfilevalues2";
272 case MSPRO_BLOCK_ID_DEVINFO
:
273 return "attr_devinfo";
279 typedef ssize_t (*sysfs_show_t
)(struct device
*dev
,
280 struct device_attribute
*attr
,
283 static ssize_t
mspro_block_attr_show_default(struct device
*dev
,
284 struct device_attribute
*attr
,
287 struct mspro_sys_attr
*s_attr
= container_of(attr
,
288 struct mspro_sys_attr
,
293 for (cnt
= 0; cnt
< s_attr
->size
; cnt
++) {
294 if (cnt
&& !(cnt
% 16)) {
299 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "%02x ",
300 ((unsigned char *)s_attr
->data
)[cnt
]);
305 static ssize_t
mspro_block_attr_show_sysinfo(struct device
*dev
,
306 struct device_attribute
*attr
,
309 struct mspro_sys_attr
*x_attr
= container_of(attr
,
310 struct mspro_sys_attr
,
312 struct mspro_sys_info
*x_sys
= x_attr
->data
;
314 int date_tz
= 0, date_tz_f
= 0;
316 if (x_sys
->assembly_date
[0] > 0x80U
) {
317 date_tz
= (~x_sys
->assembly_date
[0]) + 1;
318 date_tz_f
= date_tz
& 3;
322 } else if (x_sys
->assembly_date
[0] < 0x80U
) {
323 date_tz
= x_sys
->assembly_date
[0];
324 date_tz_f
= date_tz
& 3;
329 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "class: %x\n",
331 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "block size: %x\n",
332 be16_to_cpu(x_sys
->block_size
));
333 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "block count: %x\n",
334 be16_to_cpu(x_sys
->block_count
));
335 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "user block count: %x\n",
336 be16_to_cpu(x_sys
->user_block_count
));
337 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "page size: %x\n",
338 be16_to_cpu(x_sys
->page_size
));
339 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "assembly date: "
340 "GMT%+d:%d %04u-%02u-%02u %02u:%02u:%02u\n",
342 be16_to_cpup((__be16
*)&x_sys
->assembly_date
[1]),
343 x_sys
->assembly_date
[3], x_sys
->assembly_date
[4],
344 x_sys
->assembly_date
[5], x_sys
->assembly_date
[6],
345 x_sys
->assembly_date
[7]);
346 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "serial number: %x\n",
347 be32_to_cpu(x_sys
->serial_number
));
348 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
,
349 "assembly maker code: %x\n",
350 x_sys
->assembly_maker_code
);
351 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "assembly model code: "
352 "%02x%02x%02x\n", x_sys
->assembly_model_code
[0],
353 x_sys
->assembly_model_code
[1],
354 x_sys
->assembly_model_code
[2]);
355 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "memory maker code: %x\n",
356 be16_to_cpu(x_sys
->memory_maker_code
));
357 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "memory model code: %x\n",
358 be16_to_cpu(x_sys
->memory_model_code
));
359 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "vcc: %x\n",
361 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "vpp: %x\n",
363 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "controller number: %x\n",
364 be16_to_cpu(x_sys
->controller_number
));
365 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
,
366 "controller function: %x\n",
367 be16_to_cpu(x_sys
->controller_function
));
368 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "start sector: %x\n",
369 be16_to_cpu(x_sys
->start_sector
));
370 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "unit size: %x\n",
371 be16_to_cpu(x_sys
->unit_size
));
372 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "sub class: %x\n",
373 x_sys
->ms_sub_class
);
374 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "interface type: %x\n",
375 x_sys
->interface_type
);
376 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "controller code: %x\n",
377 be16_to_cpu(x_sys
->controller_code
));
378 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "format type: %x\n",
380 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "device type: %x\n",
382 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "mspro id: %s\n",
387 static ssize_t
mspro_block_attr_show_modelname(struct device
*dev
,
388 struct device_attribute
*attr
,
391 struct mspro_sys_attr
*s_attr
= container_of(attr
,
392 struct mspro_sys_attr
,
395 return scnprintf(buffer
, PAGE_SIZE
, "%s", (char *)s_attr
->data
);
398 static ssize_t
mspro_block_attr_show_mbr(struct device
*dev
,
399 struct device_attribute
*attr
,
402 struct mspro_sys_attr
*x_attr
= container_of(attr
,
403 struct mspro_sys_attr
,
405 struct mspro_mbr
*x_mbr
= x_attr
->data
;
408 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "boot partition: %x\n",
409 x_mbr
->boot_partition
);
410 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "start head: %x\n",
412 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "start sector: %x\n",
413 x_mbr
->start_sector
);
414 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "start cylinder: %x\n",
415 x_mbr
->start_cylinder
);
416 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "partition type: %x\n",
417 x_mbr
->partition_type
);
418 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "end head: %x\n",
420 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "end sector: %x\n",
422 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "end cylinder: %x\n",
423 x_mbr
->end_cylinder
);
424 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "start sectors: %x\n",
425 x_mbr
->start_sectors
);
426 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
,
427 "sectors per partition: %x\n",
428 x_mbr
->sectors_per_partition
);
432 static ssize_t
mspro_block_attr_show_specfile(struct device
*dev
,
433 struct device_attribute
*attr
,
436 struct mspro_sys_attr
*x_attr
= container_of(attr
,
437 struct mspro_sys_attr
,
439 struct mspro_specfile
*x_spfile
= x_attr
->data
;
440 char name
[9], ext
[4];
443 memcpy(name
, x_spfile
->name
, 8);
445 memcpy(ext
, x_spfile
->ext
, 3);
448 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "name: %s\n", name
);
449 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "ext: %s\n", ext
);
450 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "attribute: %x\n",
452 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "time: %d:%d:%d\n",
453 x_spfile
->time
>> 11,
454 (x_spfile
->time
>> 5) & 0x3f,
455 (x_spfile
->time
& 0x1f) * 2);
456 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "date: %d-%d-%d\n",
457 (x_spfile
->date
>> 9) + 1980,
458 (x_spfile
->date
>> 5) & 0xf,
459 x_spfile
->date
& 0x1f);
460 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "start cluster: %x\n",
462 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "size: %x\n",
467 static ssize_t
mspro_block_attr_show_devinfo(struct device
*dev
,
468 struct device_attribute
*attr
,
471 struct mspro_sys_attr
*x_attr
= container_of(attr
,
472 struct mspro_sys_attr
,
474 struct mspro_devinfo
*x_devinfo
= x_attr
->data
;
477 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "cylinders: %x\n",
478 be16_to_cpu(x_devinfo
->cylinders
));
479 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "heads: %x\n",
480 be16_to_cpu(x_devinfo
->heads
));
481 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "bytes per track: %x\n",
482 be16_to_cpu(x_devinfo
->bytes_per_track
));
483 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "bytes per sector: %x\n",
484 be16_to_cpu(x_devinfo
->bytes_per_sector
));
485 rc
+= scnprintf(buffer
+ rc
, PAGE_SIZE
- rc
, "sectors per track: %x\n",
486 be16_to_cpu(x_devinfo
->sectors_per_track
));
490 static sysfs_show_t
mspro_block_attr_show(unsigned char tag
)
493 case MSPRO_BLOCK_ID_SYSINFO
:
494 return mspro_block_attr_show_sysinfo
;
495 case MSPRO_BLOCK_ID_MODELNAME
:
496 return mspro_block_attr_show_modelname
;
497 case MSPRO_BLOCK_ID_MBR
:
498 return mspro_block_attr_show_mbr
;
499 case MSPRO_BLOCK_ID_SPECFILEVALUES1
:
500 case MSPRO_BLOCK_ID_SPECFILEVALUES2
:
501 return mspro_block_attr_show_specfile
;
502 case MSPRO_BLOCK_ID_DEVINFO
:
503 return mspro_block_attr_show_devinfo
;
505 return mspro_block_attr_show_default
;
509 /*** Protocol handlers ***/
512 * Functions prefixed with "h_" are protocol callbacks. They can be called from
513 * interrupt context. Return value of 0 means that request processing is still
514 * ongoing, while special error value of -EAGAIN means that current request is
515 * finished (and request processor should come back some time later).
518 static int h_mspro_block_req_init(struct memstick_dev
*card
,
519 struct memstick_request
**mrq
)
521 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
523 *mrq
= &card
->current_mrq
;
524 card
->next_request
= msb
->mrq_handler
;
528 static int h_mspro_block_default(struct memstick_dev
*card
,
529 struct memstick_request
**mrq
)
531 return mspro_block_complete_req(card
, (*mrq
)->error
);
534 static int h_mspro_block_default_bad(struct memstick_dev
*card
,
535 struct memstick_request
**mrq
)
540 static int h_mspro_block_get_ro(struct memstick_dev
*card
,
541 struct memstick_request
**mrq
)
543 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
545 if (!(*mrq
)->error
) {
546 if ((*mrq
)->data
[offsetof(struct ms_status_register
, status0
)]
547 & MEMSTICK_STATUS0_WP
)
553 return mspro_block_complete_req(card
, (*mrq
)->error
);
556 static int h_mspro_block_wait_for_ced(struct memstick_dev
*card
,
557 struct memstick_request
**mrq
)
559 dev_dbg(&card
->dev
, "wait for ced: value %x\n", (*mrq
)->data
[0]);
561 if (!(*mrq
)->error
) {
562 if ((*mrq
)->data
[0] & (MEMSTICK_INT_CMDNAK
| MEMSTICK_INT_ERR
))
563 (*mrq
)->error
= -EFAULT
;
564 else if (!((*mrq
)->data
[0] & MEMSTICK_INT_CED
))
568 return mspro_block_complete_req(card
, (*mrq
)->error
);
571 static int h_mspro_block_transfer_data(struct memstick_dev
*card
,
572 struct memstick_request
**mrq
)
574 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
575 unsigned char t_val
= 0;
576 struct scatterlist t_sg
= { 0 };
580 return mspro_block_complete_req(card
, (*mrq
)->error
);
582 switch ((*mrq
)->tpc
) {
583 case MS_TPC_WRITE_REG
:
584 memstick_init_req(*mrq
, MS_TPC_SET_CMD
, &msb
->transfer_cmd
, 1);
585 (*mrq
)->need_card_int
= 1;
588 t_val
= (*mrq
)->int_reg
;
589 memstick_init_req(*mrq
, MS_TPC_GET_INT
, NULL
, 1);
590 if (msb
->caps
& MEMSTICK_CAP_AUTO_GET_INT
)
594 t_val
= (*mrq
)->data
[0];
596 if (t_val
& (MEMSTICK_INT_CMDNAK
| MEMSTICK_INT_ERR
)) {
597 t_val
= MSPRO_CMD_STOP
;
598 memstick_init_req(*mrq
, MS_TPC_SET_CMD
, &t_val
, 1);
599 card
->next_request
= h_mspro_block_default
;
603 if (msb
->current_page
604 == (msb
->req_sg
[msb
->current_seg
].length
606 msb
->current_page
= 0;
609 if (msb
->current_seg
== msb
->seg_count
) {
610 if (t_val
& MEMSTICK_INT_CED
) {
611 return mspro_block_complete_req(card
,
615 = h_mspro_block_wait_for_ced
;
616 memstick_init_req(*mrq
, MS_TPC_GET_INT
,
623 if (!(t_val
& MEMSTICK_INT_BREQ
)) {
624 memstick_init_req(*mrq
, MS_TPC_GET_INT
, NULL
, 1);
628 t_offset
= msb
->req_sg
[msb
->current_seg
].offset
;
629 t_offset
+= msb
->current_page
* msb
->page_size
;
632 nth_page(sg_page(&(msb
->req_sg
[msb
->current_seg
])),
633 t_offset
>> PAGE_SHIFT
),
634 msb
->page_size
, offset_in_page(t_offset
));
636 memstick_init_req_sg(*mrq
, msb
->data_dir
== READ
637 ? MS_TPC_READ_LONG_DATA
638 : MS_TPC_WRITE_LONG_DATA
,
640 (*mrq
)->need_card_int
= 1;
642 case MS_TPC_READ_LONG_DATA
:
643 case MS_TPC_WRITE_LONG_DATA
:
645 if (msb
->caps
& MEMSTICK_CAP_AUTO_GET_INT
) {
646 t_val
= (*mrq
)->int_reg
;
649 memstick_init_req(*mrq
, MS_TPC_GET_INT
, NULL
, 1);
658 /*** Data transfer ***/
660 static int mspro_block_issue_req(struct memstick_dev
*card
, int chunk
)
662 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
665 struct mspro_param_register param
;
669 msb
->current_page
= 0;
670 msb
->current_seg
= 0;
671 msb
->seg_count
= blk_rq_map_sg(msb
->block_req
->q
,
675 if (!msb
->seg_count
) {
676 chunk
= __blk_end_request_cur(msb
->block_req
, -ENOMEM
);
680 t_sec
= blk_rq_pos(msb
->block_req
) << 9;
681 sector_div(t_sec
, msb
->page_size
);
683 count
= blk_rq_bytes(msb
->block_req
);
684 count
/= msb
->page_size
;
686 param
.system
= msb
->system
;
687 param
.data_count
= cpu_to_be16(count
);
688 param
.data_address
= cpu_to_be32((uint32_t)t_sec
);
691 msb
->data_dir
= rq_data_dir(msb
->block_req
);
692 msb
->transfer_cmd
= msb
->data_dir
== READ
693 ? MSPRO_CMD_READ_DATA
694 : MSPRO_CMD_WRITE_DATA
;
696 dev_dbg(&card
->dev
, "data transfer: cmd %x, "
697 "lba %x, count %x\n", msb
->transfer_cmd
,
698 be32_to_cpu(param
.data_address
), count
);
700 card
->next_request
= h_mspro_block_req_init
;
701 msb
->mrq_handler
= h_mspro_block_transfer_data
;
702 memstick_init_req(&card
->current_mrq
, MS_TPC_WRITE_REG
,
703 ¶m
, sizeof(param
));
704 memstick_new_req(card
->host
);
708 dev_dbg(&card
->dev
, "blk_fetch\n");
709 msb
->block_req
= blk_fetch_request(msb
->queue
);
710 if (!msb
->block_req
) {
711 dev_dbg(&card
->dev
, "issue end\n");
715 dev_dbg(&card
->dev
, "trying again\n");
720 static int mspro_block_complete_req(struct memstick_dev
*card
, int error
)
722 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
724 unsigned int t_len
= 0;
727 spin_lock_irqsave(&msb
->q_lock
, flags
);
728 dev_dbg(&card
->dev
, "complete %d, %d\n", msb
->has_request
? 1 : 0,
731 if (msb
->has_request
) {
732 /* Nothing to do - not really an error */
733 if (error
== -EAGAIN
)
736 if (error
|| (card
->current_mrq
.tpc
== MSPRO_CMD_STOP
)) {
737 if (msb
->data_dir
== READ
) {
738 for (cnt
= 0; cnt
< msb
->current_seg
; cnt
++)
739 t_len
+= msb
->req_sg
[cnt
].length
742 if (msb
->current_page
)
743 t_len
+= msb
->current_page
- 1;
745 t_len
*= msb
->page_size
;
748 t_len
= blk_rq_bytes(msb
->block_req
);
750 dev_dbg(&card
->dev
, "transferred %x (%d)\n", t_len
, error
);
753 t_len
= blk_rq_cur_bytes(msb
->block_req
);
755 chunk
= __blk_end_request(msb
->block_req
, error
, t_len
);
757 error
= mspro_block_issue_req(card
, chunk
);
762 msb
->has_request
= 0;
768 card
->next_request
= h_mspro_block_default_bad
;
769 complete_all(&card
->mrq_complete
);
771 spin_unlock_irqrestore(&msb
->q_lock
, flags
);
775 static void mspro_block_stop(struct memstick_dev
*card
)
777 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
782 spin_lock_irqsave(&msb
->q_lock
, flags
);
783 if (!msb
->has_request
) {
784 blk_stop_queue(msb
->queue
);
787 spin_unlock_irqrestore(&msb
->q_lock
, flags
);
792 wait_for_completion(&card
->mrq_complete
);
796 static void mspro_block_start(struct memstick_dev
*card
)
798 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
801 spin_lock_irqsave(&msb
->q_lock
, flags
);
802 blk_start_queue(msb
->queue
);
803 spin_unlock_irqrestore(&msb
->q_lock
, flags
);
806 static int mspro_block_prepare_req(struct request_queue
*q
, struct request
*req
)
808 if (!blk_fs_request(req
) && !blk_pc_request(req
)) {
809 blk_dump_rq_flags(req
, "MSPro unsupported request");
813 req
->cmd_flags
|= REQ_DONTPREP
;
818 static void mspro_block_submit_req(struct request_queue
*q
)
820 struct memstick_dev
*card
= q
->queuedata
;
821 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
822 struct request
*req
= NULL
;
824 if (msb
->has_request
)
828 while ((req
= blk_fetch_request(q
)) != NULL
)
829 __blk_end_request_all(req
, -ENODEV
);
834 msb
->has_request
= 1;
835 if (mspro_block_issue_req(card
, 0))
836 msb
->has_request
= 0;
839 /*** Initialization ***/
841 static int mspro_block_wait_for_ced(struct memstick_dev
*card
)
843 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
845 card
->next_request
= h_mspro_block_req_init
;
846 msb
->mrq_handler
= h_mspro_block_wait_for_ced
;
847 memstick_init_req(&card
->current_mrq
, MS_TPC_GET_INT
, NULL
, 1);
848 memstick_new_req(card
->host
);
849 wait_for_completion(&card
->mrq_complete
);
850 return card
->current_mrq
.error
;
853 static int mspro_block_set_interface(struct memstick_dev
*card
,
854 unsigned char sys_reg
)
856 struct memstick_host
*host
= card
->host
;
857 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
858 struct mspro_param_register param
= {
865 card
->next_request
= h_mspro_block_req_init
;
866 msb
->mrq_handler
= h_mspro_block_default
;
867 memstick_init_req(&card
->current_mrq
, MS_TPC_WRITE_REG
, ¶m
,
869 memstick_new_req(host
);
870 wait_for_completion(&card
->mrq_complete
);
871 return card
->current_mrq
.error
;
874 static int mspro_block_switch_interface(struct memstick_dev
*card
)
876 struct memstick_host
*host
= card
->host
;
877 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
881 if (msb
->caps
& MEMSTICK_CAP_PAR4
)
882 rc
= mspro_block_set_interface(card
, MEMSTICK_SYS_PAR4
);
888 "%s: could not switch to 4-bit mode, error %d\n",
889 dev_name(&card
->dev
), rc
);
893 msb
->system
= MEMSTICK_SYS_PAR4
;
894 host
->set_param(host
, MEMSTICK_INTERFACE
, MEMSTICK_PAR4
);
895 printk(KERN_INFO
"%s: switching to 4-bit parallel mode\n",
896 dev_name(&card
->dev
));
898 if (msb
->caps
& MEMSTICK_CAP_PAR8
) {
899 rc
= mspro_block_set_interface(card
, MEMSTICK_SYS_PAR8
);
902 msb
->system
= MEMSTICK_SYS_PAR8
;
903 host
->set_param(host
, MEMSTICK_INTERFACE
,
906 "%s: switching to 8-bit parallel mode\n",
907 dev_name(&card
->dev
));
910 "%s: could not switch to 8-bit mode, error %d\n",
911 dev_name(&card
->dev
), rc
);
914 card
->next_request
= h_mspro_block_req_init
;
915 msb
->mrq_handler
= h_mspro_block_default
;
916 memstick_init_req(&card
->current_mrq
, MS_TPC_GET_INT
, NULL
, 1);
917 memstick_new_req(card
->host
);
918 wait_for_completion(&card
->mrq_complete
);
919 rc
= card
->current_mrq
.error
;
923 "%s: interface error, trying to fall back to serial\n",
924 dev_name(&card
->dev
));
925 msb
->system
= MEMSTICK_SYS_SERIAL
;
926 host
->set_param(host
, MEMSTICK_POWER
, MEMSTICK_POWER_OFF
);
928 host
->set_param(host
, MEMSTICK_POWER
, MEMSTICK_POWER_ON
);
929 host
->set_param(host
, MEMSTICK_INTERFACE
, MEMSTICK_SERIAL
);
931 rc
= memstick_set_rw_addr(card
);
933 rc
= mspro_block_set_interface(card
, msb
->system
);
937 rc
= mspro_block_wait_for_ced(card
);
941 if (msb
->caps
& MEMSTICK_CAP_PAR8
) {
942 msb
->caps
&= ~MEMSTICK_CAP_PAR8
;
950 /* Memory allocated for attributes by this function should be freed by
951 * mspro_block_data_clear, no matter if the initialization process succeded
954 static int mspro_block_read_attributes(struct memstick_dev
*card
)
956 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
957 struct mspro_param_register param
= {
958 .system
= msb
->system
,
959 .data_count
= cpu_to_be16(1),
963 struct mspro_attribute
*attr
= NULL
;
964 struct mspro_sys_attr
*s_attr
= NULL
;
965 unsigned char *buffer
= NULL
;
966 int cnt
, rc
, attr_count
;
968 unsigned short page_count
;
970 attr
= kmalloc(msb
->page_size
, GFP_KERNEL
);
974 sg_init_one(&msb
->req_sg
[0], attr
, msb
->page_size
);
976 msb
->current_seg
= 0;
977 msb
->current_page
= 0;
978 msb
->data_dir
= READ
;
979 msb
->transfer_cmd
= MSPRO_CMD_READ_ATRB
;
981 card
->next_request
= h_mspro_block_req_init
;
982 msb
->mrq_handler
= h_mspro_block_transfer_data
;
983 memstick_init_req(&card
->current_mrq
, MS_TPC_WRITE_REG
, ¶m
,
985 memstick_new_req(card
->host
);
986 wait_for_completion(&card
->mrq_complete
);
987 if (card
->current_mrq
.error
) {
988 rc
= card
->current_mrq
.error
;
992 if (be16_to_cpu(attr
->signature
) != MSPRO_BLOCK_SIGNATURE
) {
993 printk(KERN_ERR
"%s: unrecognized device signature %x\n",
994 dev_name(&card
->dev
), be16_to_cpu(attr
->signature
));
999 if (attr
->count
> MSPRO_BLOCK_MAX_ATTRIBUTES
) {
1000 printk(KERN_WARNING
"%s: way too many attribute entries\n",
1001 dev_name(&card
->dev
));
1002 attr_count
= MSPRO_BLOCK_MAX_ATTRIBUTES
;
1004 attr_count
= attr
->count
;
1006 msb
->attr_group
.attrs
= kzalloc((attr_count
+ 1)
1007 * sizeof(struct attribute
),
1009 if (!msb
->attr_group
.attrs
) {
1013 msb
->attr_group
.name
= "media_attributes";
1015 buffer
= kmalloc(msb
->page_size
, GFP_KERNEL
);
1020 memcpy(buffer
, (char *)attr
, msb
->page_size
);
1023 for (cnt
= 0; cnt
< attr_count
; ++cnt
) {
1024 s_attr
= kzalloc(sizeof(struct mspro_sys_attr
), GFP_KERNEL
);
1027 goto out_free_buffer
;
1030 msb
->attr_group
.attrs
[cnt
] = &s_attr
->dev_attr
.attr
;
1031 addr
= be32_to_cpu(attr
->entries
[cnt
].address
);
1032 rc
= be32_to_cpu(attr
->entries
[cnt
].size
);
1033 dev_dbg(&card
->dev
, "adding attribute %d: id %x, address %x, "
1034 "size %x\n", cnt
, attr
->entries
[cnt
].id
, addr
, rc
);
1035 s_attr
->id
= attr
->entries
[cnt
].id
;
1036 if (mspro_block_attr_name(s_attr
->id
))
1037 snprintf(s_attr
->name
, sizeof(s_attr
->name
), "%s",
1038 mspro_block_attr_name(attr
->entries
[cnt
].id
));
1040 snprintf(s_attr
->name
, sizeof(s_attr
->name
),
1041 "attr_x%02x", attr
->entries
[cnt
].id
);
1043 s_attr
->dev_attr
.attr
.name
= s_attr
->name
;
1044 s_attr
->dev_attr
.attr
.mode
= S_IRUGO
;
1045 s_attr
->dev_attr
.show
= mspro_block_attr_show(s_attr
->id
);
1051 s_attr
->data
= kmalloc(rc
, GFP_KERNEL
);
1052 if (!s_attr
->data
) {
1054 goto out_free_buffer
;
1057 if (((addr
/ msb
->page_size
)
1058 == be32_to_cpu(param
.data_address
))
1059 && (((addr
+ rc
- 1) / msb
->page_size
)
1060 == be32_to_cpu(param
.data_address
))) {
1061 memcpy(s_attr
->data
, buffer
+ addr
% msb
->page_size
,
1066 if (page_count
<= (rc
/ msb
->page_size
)) {
1068 page_count
= (rc
/ msb
->page_size
) + 1;
1069 buffer
= kmalloc(page_count
* msb
->page_size
,
1077 param
.system
= msb
->system
;
1078 param
.data_count
= cpu_to_be16((rc
/ msb
->page_size
) + 1);
1079 param
.data_address
= cpu_to_be32(addr
/ msb
->page_size
);
1080 param
.tpc_param
= 0;
1082 sg_init_one(&msb
->req_sg
[0], buffer
,
1083 be16_to_cpu(param
.data_count
) * msb
->page_size
);
1085 msb
->current_seg
= 0;
1086 msb
->current_page
= 0;
1087 msb
->data_dir
= READ
;
1088 msb
->transfer_cmd
= MSPRO_CMD_READ_ATRB
;
1090 dev_dbg(&card
->dev
, "reading attribute pages %x, %x\n",
1091 be32_to_cpu(param
.data_address
),
1092 be16_to_cpu(param
.data_count
));
1094 card
->next_request
= h_mspro_block_req_init
;
1095 msb
->mrq_handler
= h_mspro_block_transfer_data
;
1096 memstick_init_req(&card
->current_mrq
, MS_TPC_WRITE_REG
,
1097 (char *)¶m
, sizeof(param
));
1098 memstick_new_req(card
->host
);
1099 wait_for_completion(&card
->mrq_complete
);
1100 if (card
->current_mrq
.error
) {
1101 rc
= card
->current_mrq
.error
;
1102 goto out_free_buffer
;
1105 memcpy(s_attr
->data
, buffer
+ addr
% msb
->page_size
, rc
);
1116 static int mspro_block_init_card(struct memstick_dev
*card
)
1118 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
1119 struct memstick_host
*host
= card
->host
;
1122 msb
->system
= MEMSTICK_SYS_SERIAL
;
1123 card
->reg_addr
.r_offset
= offsetof(struct mspro_register
, status
);
1124 card
->reg_addr
.r_length
= sizeof(struct ms_status_register
);
1125 card
->reg_addr
.w_offset
= offsetof(struct mspro_register
, param
);
1126 card
->reg_addr
.w_length
= sizeof(struct mspro_param_register
);
1128 if (memstick_set_rw_addr(card
))
1131 msb
->caps
= host
->caps
;
1134 rc
= mspro_block_wait_for_ced(card
);
1138 rc
= mspro_block_switch_interface(card
);
1142 dev_dbg(&card
->dev
, "card activated\n");
1143 if (msb
->system
!= MEMSTICK_SYS_SERIAL
)
1144 msb
->caps
|= MEMSTICK_CAP_AUTO_GET_INT
;
1146 card
->next_request
= h_mspro_block_req_init
;
1147 msb
->mrq_handler
= h_mspro_block_get_ro
;
1148 memstick_init_req(&card
->current_mrq
, MS_TPC_READ_REG
, NULL
,
1149 sizeof(struct ms_status_register
));
1150 memstick_new_req(card
->host
);
1151 wait_for_completion(&card
->mrq_complete
);
1152 if (card
->current_mrq
.error
)
1153 return card
->current_mrq
.error
;
1155 dev_dbg(&card
->dev
, "card r/w status %d\n", msb
->read_only
? 0 : 1);
1157 msb
->page_size
= 512;
1158 rc
= mspro_block_read_attributes(card
);
1162 dev_dbg(&card
->dev
, "attributes loaded\n");
1167 static int mspro_block_init_disk(struct memstick_dev
*card
)
1169 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
1170 struct memstick_host
*host
= card
->host
;
1171 struct mspro_devinfo
*dev_info
= NULL
;
1172 struct mspro_sys_info
*sys_info
= NULL
;
1173 struct mspro_sys_attr
*s_attr
= NULL
;
1175 u64 limit
= BLK_BOUNCE_HIGH
;
1176 unsigned long capacity
;
1178 if (host
->dev
.dma_mask
&& *(host
->dev
.dma_mask
))
1179 limit
= *(host
->dev
.dma_mask
);
1181 for (rc
= 0; msb
->attr_group
.attrs
[rc
]; ++rc
) {
1182 s_attr
= mspro_from_sysfs_attr(msb
->attr_group
.attrs
[rc
]);
1184 if (s_attr
->id
== MSPRO_BLOCK_ID_DEVINFO
)
1185 dev_info
= s_attr
->data
;
1186 else if (s_attr
->id
== MSPRO_BLOCK_ID_SYSINFO
)
1187 sys_info
= s_attr
->data
;
1190 if (!dev_info
|| !sys_info
)
1193 msb
->cylinders
= be16_to_cpu(dev_info
->cylinders
);
1194 msb
->heads
= be16_to_cpu(dev_info
->heads
);
1195 msb
->sectors_per_track
= be16_to_cpu(dev_info
->sectors_per_track
);
1197 msb
->page_size
= be16_to_cpu(sys_info
->unit_size
);
1199 if (!idr_pre_get(&mspro_block_disk_idr
, GFP_KERNEL
))
1202 mutex_lock(&mspro_block_disk_lock
);
1203 rc
= idr_get_new(&mspro_block_disk_idr
, card
, &disk_id
);
1204 mutex_unlock(&mspro_block_disk_lock
);
1209 if ((disk_id
<< MSPRO_BLOCK_PART_SHIFT
) > 255) {
1211 goto out_release_id
;
1214 msb
->disk
= alloc_disk(1 << MSPRO_BLOCK_PART_SHIFT
);
1217 goto out_release_id
;
1220 msb
->queue
= blk_init_queue(mspro_block_submit_req
, &msb
->q_lock
);
1226 msb
->queue
->queuedata
= card
;
1227 blk_queue_prep_rq(msb
->queue
, mspro_block_prepare_req
);
1229 blk_queue_bounce_limit(msb
->queue
, limit
);
1230 blk_queue_max_hw_sectors(msb
->queue
, MSPRO_BLOCK_MAX_PAGES
);
1231 blk_queue_max_segments(msb
->queue
, MSPRO_BLOCK_MAX_SEGS
);
1232 blk_queue_max_segment_size(msb
->queue
,
1233 MSPRO_BLOCK_MAX_PAGES
* msb
->page_size
);
1235 msb
->disk
->major
= major
;
1236 msb
->disk
->first_minor
= disk_id
<< MSPRO_BLOCK_PART_SHIFT
;
1237 msb
->disk
->fops
= &ms_block_bdops
;
1238 msb
->usage_count
= 1;
1239 msb
->disk
->private_data
= msb
;
1240 msb
->disk
->queue
= msb
->queue
;
1241 msb
->disk
->driverfs_dev
= &card
->dev
;
1243 sprintf(msb
->disk
->disk_name
, "mspblk%d", disk_id
);
1245 blk_queue_logical_block_size(msb
->queue
, msb
->page_size
);
1247 capacity
= be16_to_cpu(sys_info
->user_block_count
);
1248 capacity
*= be16_to_cpu(sys_info
->block_size
);
1249 capacity
*= msb
->page_size
>> 9;
1250 set_capacity(msb
->disk
, capacity
);
1251 dev_dbg(&card
->dev
, "capacity set %ld\n", capacity
);
1253 add_disk(msb
->disk
);
1258 put_disk(msb
->disk
);
1260 mutex_lock(&mspro_block_disk_lock
);
1261 idr_remove(&mspro_block_disk_idr
, disk_id
);
1262 mutex_unlock(&mspro_block_disk_lock
);
1266 static void mspro_block_data_clear(struct mspro_block_data
*msb
)
1269 struct mspro_sys_attr
*s_attr
;
1271 if (msb
->attr_group
.attrs
) {
1272 for (cnt
= 0; msb
->attr_group
.attrs
[cnt
]; ++cnt
) {
1273 s_attr
= mspro_from_sysfs_attr(msb
->attr_group
1275 kfree(s_attr
->data
);
1278 kfree(msb
->attr_group
.attrs
);
1284 static int mspro_block_check_card(struct memstick_dev
*card
)
1286 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
1288 return (msb
->active
== 1);
1291 static int mspro_block_probe(struct memstick_dev
*card
)
1293 struct mspro_block_data
*msb
;
1296 msb
= kzalloc(sizeof(struct mspro_block_data
), GFP_KERNEL
);
1299 memstick_set_drvdata(card
, msb
);
1301 spin_lock_init(&msb
->q_lock
);
1303 rc
= mspro_block_init_card(card
);
1308 rc
= sysfs_create_group(&card
->dev
.kobj
, &msb
->attr_group
);
1312 rc
= mspro_block_init_disk(card
);
1314 card
->check
= mspro_block_check_card
;
1315 card
->stop
= mspro_block_stop
;
1316 card
->start
= mspro_block_start
;
1320 sysfs_remove_group(&card
->dev
.kobj
, &msb
->attr_group
);
1322 memstick_set_drvdata(card
, NULL
);
1323 mspro_block_data_clear(msb
);
1328 static void mspro_block_remove(struct memstick_dev
*card
)
1330 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
1331 unsigned long flags
;
1333 del_gendisk(msb
->disk
);
1334 dev_dbg(&card
->dev
, "mspro block remove\n");
1335 spin_lock_irqsave(&msb
->q_lock
, flags
);
1337 blk_start_queue(msb
->queue
);
1338 spin_unlock_irqrestore(&msb
->q_lock
, flags
);
1340 blk_cleanup_queue(msb
->queue
);
1343 sysfs_remove_group(&card
->dev
.kobj
, &msb
->attr_group
);
1345 mutex_lock(&mspro_block_disk_lock
);
1346 mspro_block_data_clear(msb
);
1347 mutex_unlock(&mspro_block_disk_lock
);
1349 mspro_block_disk_release(msb
->disk
);
1350 memstick_set_drvdata(card
, NULL
);
1355 static int mspro_block_suspend(struct memstick_dev
*card
, pm_message_t state
)
1357 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
1358 unsigned long flags
;
1360 spin_lock_irqsave(&msb
->q_lock
, flags
);
1361 blk_stop_queue(msb
->queue
);
1363 spin_unlock_irqrestore(&msb
->q_lock
, flags
);
1368 static int mspro_block_resume(struct memstick_dev
*card
)
1370 struct mspro_block_data
*msb
= memstick_get_drvdata(card
);
1371 unsigned long flags
;
1374 #ifdef CONFIG_MEMSTICK_UNSAFE_RESUME
1376 struct mspro_block_data
*new_msb
;
1377 struct memstick_host
*host
= card
->host
;
1378 struct mspro_sys_attr
*s_attr
, *r_attr
;
1381 mutex_lock(&host
->lock
);
1382 new_msb
= kzalloc(sizeof(struct mspro_block_data
), GFP_KERNEL
);
1388 new_msb
->card
= card
;
1389 memstick_set_drvdata(card
, new_msb
);
1390 if (mspro_block_init_card(card
))
1393 for (cnt
= 0; new_msb
->attr_group
.attrs
[cnt
]
1394 && msb
->attr_group
.attrs
[cnt
]; ++cnt
) {
1395 s_attr
= mspro_from_sysfs_attr(new_msb
->attr_group
.attrs
[cnt
]);
1396 r_attr
= mspro_from_sysfs_attr(msb
->attr_group
.attrs
[cnt
]);
1398 if (s_attr
->id
== MSPRO_BLOCK_ID_SYSINFO
1399 && r_attr
->id
== s_attr
->id
) {
1400 if (memcmp(s_attr
->data
, r_attr
->data
, s_attr
->size
))
1409 memstick_set_drvdata(card
, msb
);
1410 mspro_block_data_clear(new_msb
);
1413 mutex_unlock(&host
->lock
);
1415 #endif /* CONFIG_MEMSTICK_UNSAFE_RESUME */
1417 spin_lock_irqsave(&msb
->q_lock
, flags
);
1418 blk_start_queue(msb
->queue
);
1419 spin_unlock_irqrestore(&msb
->q_lock
, flags
);
1425 #define mspro_block_suspend NULL
1426 #define mspro_block_resume NULL
1428 #endif /* CONFIG_PM */
1430 static struct memstick_device_id mspro_block_id_tbl
[] = {
1431 {MEMSTICK_MATCH_ALL
, MEMSTICK_TYPE_PRO
, MEMSTICK_CATEGORY_STORAGE_DUO
,
1432 MEMSTICK_CLASS_DUO
},
1437 static struct memstick_driver mspro_block_driver
= {
1439 .name
= DRIVER_NAME
,
1440 .owner
= THIS_MODULE
1442 .id_table
= mspro_block_id_tbl
,
1443 .probe
= mspro_block_probe
,
1444 .remove
= mspro_block_remove
,
1445 .suspend
= mspro_block_suspend
,
1446 .resume
= mspro_block_resume
1449 static int __init
mspro_block_init(void)
1453 rc
= register_blkdev(major
, DRIVER_NAME
);
1455 printk(KERN_ERR DRIVER_NAME
": failed to register "
1456 "major %d, error %d\n", major
, rc
);
1462 rc
= memstick_register_driver(&mspro_block_driver
);
1464 unregister_blkdev(major
, DRIVER_NAME
);
1468 static void __exit
mspro_block_exit(void)
1470 memstick_unregister_driver(&mspro_block_driver
);
1471 unregister_blkdev(major
, DRIVER_NAME
);
1472 idr_destroy(&mspro_block_disk_idr
);
1475 module_init(mspro_block_init
);
1476 module_exit(mspro_block_exit
);
1478 MODULE_LICENSE("GPL");
1479 MODULE_AUTHOR("Alex Dubov");
1480 MODULE_DESCRIPTION("Sony MemoryStickPro block device driver");
1481 MODULE_DEVICE_TABLE(memstick
, mspro_block_id_tbl
);