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122#include <linux/module.h>
123#include <linux/kernel.h>
124#include <linux/signal.h>
125#include <linux/errno.h>
126#include <linux/random.h>
127#include <linux/poll.h>
128#include <linux/slab.h>
129#include <linux/spinlock.h>
130#include <linux/usb.h>
131#include <linux/proc_fs.h>
132
133#include <linux/atomic.h>
134#include <linux/blkdev.h>
135#include "../../scsi/scsi.h"
136#include <scsi/scsi_host.h>
137
138#include "microtek.h"
139
140
141
142
143#define DRIVER_VERSION "v0.4.3"
144#define DRIVER_AUTHOR "John Fremlin <vii@penguinpowered.com>, Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>"
145#define DRIVER_DESC "Microtek Scanmaker X6 USB scanner driver"
146
147
148
149
150
151
152
153static int mts_usb_probe(struct usb_interface *intf,
154 const struct usb_device_id *id);
155static void mts_usb_disconnect(struct usb_interface *intf);
156
157static const struct usb_device_id mts_usb_ids[];
158
159static struct usb_driver mts_usb_driver = {
160 .name = "microtekX6",
161 .probe = mts_usb_probe,
162 .disconnect = mts_usb_disconnect,
163 .id_table = mts_usb_ids,
164};
165
166
167
168
169#define MTS_VERSION "0.4.3"
170#define MTS_NAME "microtek usb (rev " MTS_VERSION "): "
171
172#define MTS_WARNING(x...) \
173 printk( KERN_WARNING MTS_NAME x )
174#define MTS_ERROR(x...) \
175 printk( KERN_ERR MTS_NAME x )
176#define MTS_INT_ERROR(x...) \
177 MTS_ERROR(x)
178#define MTS_MESSAGE(x...) \
179 printk( KERN_INFO MTS_NAME x )
180
181#if defined MTS_DO_DEBUG
182
183#define MTS_DEBUG(x...) \
184 printk( KERN_DEBUG MTS_NAME x )
185
186#define MTS_DEBUG_GOT_HERE() \
187 MTS_DEBUG("got to %s:%d (%s)\n", __FILE__, (int)__LINE__, __func__ )
188#define MTS_DEBUG_INT() \
189 do { MTS_DEBUG_GOT_HERE(); \
190 MTS_DEBUG("transfer = 0x%x context = 0x%x\n",(int)transfer,(int)context ); \
191 MTS_DEBUG("status = 0x%x data-length = 0x%x sent = 0x%x\n",transfer->status,(int)context->data_length, (int)transfer->actual_length ); \
192 mts_debug_dump(context->instance);\
193 } while(0)
194#else
195
196#define MTS_NUL_STATEMENT do { } while(0)
197
198#define MTS_DEBUG(x...) MTS_NUL_STATEMENT
199#define MTS_DEBUG_GOT_HERE() MTS_NUL_STATEMENT
200#define MTS_DEBUG_INT() MTS_NUL_STATEMENT
201
202#endif
203
204
205
206#define MTS_INT_INIT()\
207 struct mts_transfer_context* context = (struct mts_transfer_context*)transfer->context; \
208 MTS_DEBUG_INT();\
209
210#ifdef MTS_DO_DEBUG
211
212static inline void mts_debug_dump(struct mts_desc* desc) {
213 MTS_DEBUG("desc at 0x%x: toggle = %02x%02x\n",
214 (int)desc,
215 (int)desc->usb_dev->toggle[1],(int)desc->usb_dev->toggle[0]
216 );
217 MTS_DEBUG("ep_out=%x ep_response=%x ep_image=%x\n",
218 usb_sndbulkpipe(desc->usb_dev,desc->ep_out),
219 usb_rcvbulkpipe(desc->usb_dev,desc->ep_response),
220 usb_rcvbulkpipe(desc->usb_dev,desc->ep_image)
221 );
222}
223
224
225static inline void mts_show_command(struct scsi_cmnd *srb)
226{
227 char *what = NULL;
228
229 switch (srb->cmnd[0]) {
230 case TEST_UNIT_READY: what = "TEST_UNIT_READY"; break;
231 case REZERO_UNIT: what = "REZERO_UNIT"; break;
232 case REQUEST_SENSE: what = "REQUEST_SENSE"; break;
233 case FORMAT_UNIT: what = "FORMAT_UNIT"; break;
234 case READ_BLOCK_LIMITS: what = "READ_BLOCK_LIMITS"; break;
235 case REASSIGN_BLOCKS: what = "REASSIGN_BLOCKS"; break;
236 case READ_6: what = "READ_6"; break;
237 case WRITE_6: what = "WRITE_6"; break;
238 case SEEK_6: what = "SEEK_6"; break;
239 case READ_REVERSE: what = "READ_REVERSE"; break;
240 case WRITE_FILEMARKS: what = "WRITE_FILEMARKS"; break;
241 case SPACE: what = "SPACE"; break;
242 case INQUIRY: what = "INQUIRY"; break;
243 case RECOVER_BUFFERED_DATA: what = "RECOVER_BUFFERED_DATA"; break;
244 case MODE_SELECT: what = "MODE_SELECT"; break;
245 case RESERVE: what = "RESERVE"; break;
246 case RELEASE: what = "RELEASE"; break;
247 case COPY: what = "COPY"; break;
248 case ERASE: what = "ERASE"; break;
249 case MODE_SENSE: what = "MODE_SENSE"; break;
250 case START_STOP: what = "START_STOP"; break;
251 case RECEIVE_DIAGNOSTIC: what = "RECEIVE_DIAGNOSTIC"; break;
252 case SEND_DIAGNOSTIC: what = "SEND_DIAGNOSTIC"; break;
253 case ALLOW_MEDIUM_REMOVAL: what = "ALLOW_MEDIUM_REMOVAL"; break;
254 case SET_WINDOW: what = "SET_WINDOW"; break;
255 case READ_CAPACITY: what = "READ_CAPACITY"; break;
256 case READ_10: what = "READ_10"; break;
257 case WRITE_10: what = "WRITE_10"; break;
258 case SEEK_10: what = "SEEK_10"; break;
259 case WRITE_VERIFY: what = "WRITE_VERIFY"; break;
260 case VERIFY: what = "VERIFY"; break;
261 case SEARCH_HIGH: what = "SEARCH_HIGH"; break;
262 case SEARCH_EQUAL: what = "SEARCH_EQUAL"; break;
263 case SEARCH_LOW: what = "SEARCH_LOW"; break;
264 case SET_LIMITS: what = "SET_LIMITS"; break;
265 case READ_POSITION: what = "READ_POSITION"; break;
266 case SYNCHRONIZE_CACHE: what = "SYNCHRONIZE_CACHE"; break;
267 case LOCK_UNLOCK_CACHE: what = "LOCK_UNLOCK_CACHE"; break;
268 case READ_DEFECT_DATA: what = "READ_DEFECT_DATA"; break;
269 case MEDIUM_SCAN: what = "MEDIUM_SCAN"; break;
270 case COMPARE: what = "COMPARE"; break;
271 case COPY_VERIFY: what = "COPY_VERIFY"; break;
272 case WRITE_BUFFER: what = "WRITE_BUFFER"; break;
273 case READ_BUFFER: what = "READ_BUFFER"; break;
274 case UPDATE_BLOCK: what = "UPDATE_BLOCK"; break;
275 case READ_LONG: what = "READ_LONG"; break;
276 case WRITE_LONG: what = "WRITE_LONG"; break;
277 case CHANGE_DEFINITION: what = "CHANGE_DEFINITION"; break;
278 case WRITE_SAME: what = "WRITE_SAME"; break;
279 case READ_TOC: what = "READ_TOC"; break;
280 case LOG_SELECT: what = "LOG_SELECT"; break;
281 case LOG_SENSE: what = "LOG_SENSE"; break;
282 case MODE_SELECT_10: what = "MODE_SELECT_10"; break;
283 case MODE_SENSE_10: what = "MODE_SENSE_10"; break;
284 case MOVE_MEDIUM: what = "MOVE_MEDIUM"; break;
285 case READ_12: what = "READ_12"; break;
286 case WRITE_12: what = "WRITE_12"; break;
287 case WRITE_VERIFY_12: what = "WRITE_VERIFY_12"; break;
288 case SEARCH_HIGH_12: what = "SEARCH_HIGH_12"; break;
289 case SEARCH_EQUAL_12: what = "SEARCH_EQUAL_12"; break;
290 case SEARCH_LOW_12: what = "SEARCH_LOW_12"; break;
291 case READ_ELEMENT_STATUS: what = "READ_ELEMENT_STATUS"; break;
292 case SEND_VOLUME_TAG: what = "SEND_VOLUME_TAG"; break;
293 case WRITE_LONG_2: what = "WRITE_LONG_2"; break;
294 default:
295 MTS_DEBUG("can't decode command\n");
296 goto out;
297 break;
298 }
299 MTS_DEBUG( "Command %s (%d bytes)\n", what, srb->cmd_len);
300
301 out:
302 MTS_DEBUG( " %10ph\n", srb->cmnd);
303}
304
305#else
306
307static inline void mts_show_command(struct scsi_cmnd * dummy)
308{
309}
310
311static inline void mts_debug_dump(struct mts_desc* dummy)
312{
313}
314
315#endif
316
317static inline void mts_urb_abort(struct mts_desc* desc) {
318 MTS_DEBUG_GOT_HERE();
319 mts_debug_dump(desc);
320
321 usb_kill_urb( desc->urb );
322}
323
324static int mts_slave_alloc (struct scsi_device *s)
325{
326 s->inquiry_len = 0x24;
327 return 0;
328}
329
330static int mts_slave_configure (struct scsi_device *s)
331{
332 blk_queue_dma_alignment(s->request_queue, (512 - 1));
333 return 0;
334}
335
336static int mts_scsi_abort(struct scsi_cmnd *srb)
337{
338 struct mts_desc* desc = (struct mts_desc*)(srb->device->host->hostdata[0]);
339
340 MTS_DEBUG_GOT_HERE();
341
342 mts_urb_abort(desc);
343
344 return FAILED;
345}
346
347static int mts_scsi_host_reset(struct scsi_cmnd *srb)
348{
349 struct mts_desc* desc = (struct mts_desc*)(srb->device->host->hostdata[0]);
350 int result;
351
352 MTS_DEBUG_GOT_HERE();
353 mts_debug_dump(desc);
354
355 result = usb_lock_device_for_reset(desc->usb_dev, desc->usb_intf);
356 if (result == 0) {
357 result = usb_reset_device(desc->usb_dev);
358 usb_unlock_device(desc->usb_dev);
359 }
360 return result ? FAILED : SUCCESS;
361}
362
363static int
364mts_scsi_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *srb);
365
366static void mts_transfer_cleanup( struct urb *transfer );
367static void mts_do_sg(struct urb * transfer);
368
369static inline
370void mts_int_submit_urb (struct urb* transfer,
371 int pipe,
372 void* data,
373 unsigned length,
374 usb_complete_t callback )
375
376
377
378{
379 int res;
380
381 MTS_INT_INIT();
382
383 usb_fill_bulk_urb(transfer,
384 context->instance->usb_dev,
385 pipe,
386 data,
387 length,
388 callback,
389 context
390 );
391
392 res = usb_submit_urb( transfer, GFP_ATOMIC );
393 if ( unlikely(res) ) {
394 MTS_INT_ERROR( "could not submit URB! Error was %d\n",(int)res );
395 context->srb->result = DID_ERROR << 16;
396 mts_transfer_cleanup(transfer);
397 }
398}
399
400
401static void mts_transfer_cleanup( struct urb *transfer )
402
403{
404 MTS_INT_INIT();
405
406 if ( likely(context->final_callback != NULL) )
407 context->final_callback(context->srb);
408}
409
410static void mts_transfer_done( struct urb *transfer )
411{
412 MTS_INT_INIT();
413
414 context->srb->result &= MTS_SCSI_ERR_MASK;
415 context->srb->result |= (unsigned)(*context->scsi_status)<<1;
416
417 mts_transfer_cleanup(transfer);
418}
419
420
421static void mts_get_status( struct urb *transfer )
422
423{
424 MTS_INT_INIT();
425
426 mts_int_submit_urb(transfer,
427 usb_rcvbulkpipe(context->instance->usb_dev,
428 context->instance->ep_response),
429 context->scsi_status,
430 1,
431 mts_transfer_done );
432}
433
434static void mts_data_done( struct urb* transfer )
435
436{
437 int status = transfer->status;
438 MTS_INT_INIT();
439
440 if ( context->data_length != transfer->actual_length ) {
441 scsi_set_resid(context->srb, context->data_length -
442 transfer->actual_length);
443 } else if ( unlikely(status) ) {
444 context->srb->result = (status == -ENOENT ? DID_ABORT : DID_ERROR)<<16;
445 }
446
447 mts_get_status(transfer);
448}
449
450
451static void mts_command_done( struct urb *transfer )
452
453{
454 int status = transfer->status;
455 MTS_INT_INIT();
456
457 if ( unlikely(status) ) {
458 if (status == -ENOENT) {
459
460 MTS_DEBUG_GOT_HERE();
461 context->srb->result = DID_ABORT<<16;
462 } else {
463
464 MTS_DEBUG_GOT_HERE();
465
466 context->srb->result = DID_ERROR<<16;
467 }
468 mts_transfer_cleanup(transfer);
469
470 return;
471 }
472
473 if (context->srb->cmnd[0] == REQUEST_SENSE) {
474 mts_int_submit_urb(transfer,
475 context->data_pipe,
476 context->srb->sense_buffer,
477 context->data_length,
478 mts_data_done);
479 } else { if ( context->data ) {
480 mts_int_submit_urb(transfer,
481 context->data_pipe,
482 context->data,
483 context->data_length,
484 scsi_sg_count(context->srb) > 1 ?
485 mts_do_sg : mts_data_done);
486 } else {
487 mts_get_status(transfer);
488 }
489 }
490}
491
492static void mts_do_sg (struct urb* transfer)
493{
494 struct scatterlist * sg;
495 int status = transfer->status;
496 MTS_INT_INIT();
497
498 MTS_DEBUG("Processing fragment %d of %d\n", context->fragment,
499 scsi_sg_count(context->srb));
500
501 if (unlikely(status)) {
502 context->srb->result = (status == -ENOENT ? DID_ABORT : DID_ERROR)<<16;
503 mts_transfer_cleanup(transfer);
504 }
505
506 sg = scsi_sglist(context->srb);
507 context->fragment++;
508 mts_int_submit_urb(transfer,
509 context->data_pipe,
510 sg_virt(&sg[context->fragment]),
511 sg[context->fragment].length,
512 context->fragment + 1 == scsi_sg_count(context->srb) ?
513 mts_data_done : mts_do_sg);
514}
515
516static const u8 mts_read_image_sig[] = { 0x28, 00, 00, 00 };
517static const u8 mts_read_image_sig_len = 4;
518static const unsigned char mts_direction[256/8] = {
519 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
520 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
521 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
522 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
523};
524
525
526#define MTS_DIRECTION_IS_IN(x) ((mts_direction[x>>3] >> (x & 7)) & 1)
527
528static void
529mts_build_transfer_context(struct scsi_cmnd *srb, struct mts_desc* desc)
530{
531 int pipe;
532 struct scatterlist * sg;
533
534 MTS_DEBUG_GOT_HERE();
535
536 desc->context.instance = desc;
537 desc->context.srb = srb;
538 desc->context.fragment = 0;
539
540 if (!scsi_bufflen(srb)) {
541 desc->context.data = NULL;
542 desc->context.data_length = 0;
543 return;
544 } else {
545 sg = scsi_sglist(srb);
546 desc->context.data = sg_virt(&sg[0]);
547 desc->context.data_length = sg[0].length;
548 }
549
550
551
552
553
554
555 if ( !memcmp( srb->cmnd, mts_read_image_sig, mts_read_image_sig_len )
556) { pipe = usb_rcvbulkpipe(desc->usb_dev,desc->ep_image);
557 MTS_DEBUG( "transferring from desc->ep_image == %d\n",
558 (int)desc->ep_image );
559 } else if ( MTS_DIRECTION_IS_IN(srb->cmnd[0]) ) {
560 pipe = usb_rcvbulkpipe(desc->usb_dev,desc->ep_response);
561 MTS_DEBUG( "transferring from desc->ep_response == %d\n",
562 (int)desc->ep_response);
563 } else {
564 MTS_DEBUG("transferring to desc->ep_out == %d\n",
565 (int)desc->ep_out);
566 pipe = usb_sndbulkpipe(desc->usb_dev,desc->ep_out);
567 }
568 desc->context.data_pipe = pipe;
569}
570
571
572static int
573mts_scsi_queuecommand_lck(struct scsi_cmnd *srb, mts_scsi_cmnd_callback callback)
574{
575 struct mts_desc* desc = (struct mts_desc*)(srb->device->host->hostdata[0]);
576 int err = 0;
577 int res;
578
579 MTS_DEBUG_GOT_HERE();
580 mts_show_command(srb);
581 mts_debug_dump(desc);
582
583 if ( srb->device->lun || srb->device->id || srb->device->channel ) {
584
585 MTS_DEBUG("Command to LUN=%d ID=%d CHANNEL=%d from SCSI layer\n",(int)srb->device->lun,(int)srb->device->id, (int)srb->device->channel );
586
587 MTS_DEBUG("this device doesn't exist\n");
588
589 srb->result = DID_BAD_TARGET << 16;
590
591 if(likely(callback != NULL))
592 callback(srb);
593
594 goto out;
595 }
596
597
598 usb_fill_bulk_urb(desc->urb,
599 desc->usb_dev,
600 usb_sndbulkpipe(desc->usb_dev,desc->ep_out),
601 srb->cmnd,
602 srb->cmd_len,
603 mts_command_done,
604 &desc->context
605 );
606
607
608 mts_build_transfer_context( srb, desc );
609 desc->context.final_callback = callback;
610
611
612 res=usb_submit_urb(desc->urb, GFP_ATOMIC);
613
614 if(unlikely(res)){
615 MTS_ERROR("error %d submitting URB\n",(int)res);
616 srb->result = DID_ERROR << 16;
617
618 if(likely(callback != NULL))
619 callback(srb);
620
621 }
622out:
623 return err;
624}
625
626static DEF_SCSI_QCMD(mts_scsi_queuecommand)
627
628static struct scsi_host_template mts_scsi_host_template = {
629 .module = THIS_MODULE,
630 .name = "microtekX6",
631 .proc_name = "microtekX6",
632 .queuecommand = mts_scsi_queuecommand,
633 .eh_abort_handler = mts_scsi_abort,
634 .eh_host_reset_handler = mts_scsi_host_reset,
635 .sg_tablesize = SG_ALL,
636 .can_queue = 1,
637 .this_id = -1,
638 .use_clustering = 1,
639 .emulated = 1,
640 .slave_alloc = mts_slave_alloc,
641 .slave_configure = mts_slave_configure,
642 .max_sectors= 256,
643};
644
645
646
647
648static const struct usb_device_id mts_usb_ids[] =
649{
650 { USB_DEVICE(0x4ce, 0x0300) },
651 { USB_DEVICE(0x5da, 0x0094) },
652 { USB_DEVICE(0x5da, 0x0099) },
653 { USB_DEVICE(0x5da, 0x009a) },
654 { USB_DEVICE(0x5da, 0x00a0) },
655 { USB_DEVICE(0x5da, 0x00a3) },
656 { USB_DEVICE(0x5da, 0x80a3) },
657 { USB_DEVICE(0x5da, 0x80ac) },
658 { USB_DEVICE(0x5da, 0x00b6) },
659 { }
660};
661
662MODULE_DEVICE_TABLE (usb, mts_usb_ids);
663
664
665static int mts_usb_probe(struct usb_interface *intf,
666 const struct usb_device_id *id)
667{
668 int i;
669 int ep_out = -1;
670 int ep_in_set[3];
671
672 int *ep_in_current = ep_in_set;
673 int err_retval = -ENOMEM;
674
675 struct mts_desc * new_desc;
676 struct usb_device *dev = interface_to_usbdev (intf);
677
678
679 struct usb_host_interface *altsetting;
680
681 MTS_DEBUG_GOT_HERE();
682 MTS_DEBUG( "usb-device descriptor at %x\n", (int)dev );
683
684 MTS_DEBUG( "product id = 0x%x, vendor id = 0x%x\n",
685 le16_to_cpu(dev->descriptor.idProduct),
686 le16_to_cpu(dev->descriptor.idVendor) );
687
688 MTS_DEBUG_GOT_HERE();
689
690
691 altsetting = intf->cur_altsetting;
692
693
694
695
696 if ( altsetting->desc.bNumEndpoints != MTS_EP_TOTAL ) {
697 MTS_WARNING( "expecting %d got %d endpoints! Bailing out.\n",
698 (int)MTS_EP_TOTAL, (int)altsetting->desc.bNumEndpoints );
699 return -ENODEV;
700 }
701
702 for( i = 0; i < altsetting->desc.bNumEndpoints; i++ ) {
703 if ((altsetting->endpoint[i].desc.bmAttributes &
704 USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
705
706 MTS_WARNING( "can only deal with bulk endpoints; endpoint %d is not bulk.\n",
707 (int)altsetting->endpoint[i].desc.bEndpointAddress );
708 } else {
709 if (altsetting->endpoint[i].desc.bEndpointAddress &
710 USB_DIR_IN)
711 *ep_in_current++
712 = altsetting->endpoint[i].desc.bEndpointAddress &
713 USB_ENDPOINT_NUMBER_MASK;
714 else {
715 if ( ep_out != -1 ) {
716 MTS_WARNING( "can only deal with one output endpoints. Bailing out." );
717 return -ENODEV;
718 }
719
720 ep_out = altsetting->endpoint[i].desc.bEndpointAddress &
721 USB_ENDPOINT_NUMBER_MASK;
722 }
723 }
724
725 }
726
727
728 if ( ep_out == -1 ) {
729 MTS_WARNING( "couldn't find an output bulk endpoint. Bailing out.\n" );
730 return -ENODEV;
731 }
732
733
734 new_desc = kzalloc(sizeof(struct mts_desc), GFP_KERNEL);
735 if (!new_desc)
736 goto out;
737
738 new_desc->urb = usb_alloc_urb(0, GFP_KERNEL);
739 if (!new_desc->urb)
740 goto out_kfree;
741
742 new_desc->context.scsi_status = kmalloc(1, GFP_KERNEL);
743 if (!new_desc->context.scsi_status)
744 goto out_free_urb;
745
746 new_desc->usb_dev = dev;
747 new_desc->usb_intf = intf;
748
749
750 new_desc->ep_out = ep_out;
751 new_desc->ep_response = ep_in_set[0];
752 new_desc->ep_image = ep_in_set[1];
753
754 if ( new_desc->ep_out != MTS_EP_OUT )
755 MTS_WARNING( "will this work? Command EP is not usually %d\n",
756 (int)new_desc->ep_out );
757
758 if ( new_desc->ep_response != MTS_EP_RESPONSE )
759 MTS_WARNING( "will this work? Response EP is not usually %d\n",
760 (int)new_desc->ep_response );
761
762 if ( new_desc->ep_image != MTS_EP_IMAGE )
763 MTS_WARNING( "will this work? Image data EP is not usually %d\n",
764 (int)new_desc->ep_image );
765
766 new_desc->host = scsi_host_alloc(&mts_scsi_host_template,
767 sizeof(new_desc));
768 if (!new_desc->host)
769 goto out_kfree2;
770
771 new_desc->host->hostdata[0] = (unsigned long)new_desc;
772 if (scsi_add_host(new_desc->host, &dev->dev)) {
773 err_retval = -EIO;
774 goto out_host_put;
775 }
776 scsi_scan_host(new_desc->host);
777
778 usb_set_intfdata(intf, new_desc);
779 return 0;
780
781 out_host_put:
782 scsi_host_put(new_desc->host);
783 out_kfree2:
784 kfree(new_desc->context.scsi_status);
785 out_free_urb:
786 usb_free_urb(new_desc->urb);
787 out_kfree:
788 kfree(new_desc);
789 out:
790 return err_retval;
791}
792
793static void mts_usb_disconnect (struct usb_interface *intf)
794{
795 struct mts_desc *desc = usb_get_intfdata(intf);
796
797 usb_set_intfdata(intf, NULL);
798
799 usb_kill_urb(desc->urb);
800 scsi_remove_host(desc->host);
801
802 scsi_host_put(desc->host);
803 usb_free_urb(desc->urb);
804 kfree(desc->context.scsi_status);
805 kfree(desc);
806}
807
808module_usb_driver(mts_usb_driver);
809
810MODULE_AUTHOR( DRIVER_AUTHOR );
811MODULE_DESCRIPTION( DRIVER_DESC );
812MODULE_LICENSE("GPL");
813
