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authorMatthias Kaehlcke <matthias.kaehlcke@gmail.com>2007-10-16 13:23:10 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-25 15:18:43 -0400
commitc93d46509e7aee7d58680c4c8a12cfbe98df98cb (patch)
tree310a3be9679d7548d01cfdc8898947724b231b4e /drivers
parent7898ffc543566a9c4a1b4ff39f43857d2d84a51c (diff)
USB: FTDI Elan driver: Convert ftdi->u132_lock to mutex
FTDI Elan driver: Convert the semaphore ftdi->u132_lock to the mutex API Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/misc/ftdi-elan.c130
1 files changed, 65 insertions, 65 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index d3d8cd6ff103..148b7fe639b2 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -147,7 +147,7 @@ struct u132_target {
147/* Structure to hold all of our device specific stuff*/ 147/* Structure to hold all of our device specific stuff*/
148struct usb_ftdi { 148struct usb_ftdi {
149 struct list_head ftdi_list; 149 struct list_head ftdi_list;
150 struct semaphore u132_lock; 150 struct mutex u132_lock;
151 int command_next; 151 int command_next;
152 int command_head; 152 int command_head;
153 struct u132_command command[COMMAND_SIZE]; 153 struct u132_command command[COMMAND_SIZE];
@@ -330,39 +330,39 @@ static int ftdi_elan_hcd_init(struct usb_ftdi *ftdi)
330 330
331static void ftdi_elan_abandon_completions(struct usb_ftdi *ftdi) 331static void ftdi_elan_abandon_completions(struct usb_ftdi *ftdi)
332{ 332{
333 down(&ftdi->u132_lock); 333 mutex_lock(&ftdi->u132_lock);
334 while (ftdi->respond_next > ftdi->respond_head) { 334 while (ftdi->respond_next > ftdi->respond_head) {
335 struct u132_respond *respond = &ftdi->respond[RESPOND_MASK & 335 struct u132_respond *respond = &ftdi->respond[RESPOND_MASK &
336 ftdi->respond_head++]; 336 ftdi->respond_head++];
337 *respond->result = -ESHUTDOWN; 337 *respond->result = -ESHUTDOWN;
338 *respond->value = 0; 338 *respond->value = 0;
339 complete(&respond->wait_completion); 339 complete(&respond->wait_completion);
340 } up(&ftdi->u132_lock); 340 } mutex_unlock(&ftdi->u132_lock);
341} 341}
342 342
343static void ftdi_elan_abandon_targets(struct usb_ftdi *ftdi) 343static void ftdi_elan_abandon_targets(struct usb_ftdi *ftdi)
344{ 344{
345 int ed_number = 4; 345 int ed_number = 4;
346 down(&ftdi->u132_lock); 346 mutex_lock(&ftdi->u132_lock);
347 while (ed_number-- > 0) { 347 while (ed_number-- > 0) {
348 struct u132_target *target = &ftdi->target[ed_number]; 348 struct u132_target *target = &ftdi->target[ed_number];
349 if (target->active == 1) { 349 if (target->active == 1) {
350 target->condition_code = TD_DEVNOTRESP; 350 target->condition_code = TD_DEVNOTRESP;
351 up(&ftdi->u132_lock); 351 mutex_unlock(&ftdi->u132_lock);
352 ftdi_elan_do_callback(ftdi, target, NULL, 0); 352 ftdi_elan_do_callback(ftdi, target, NULL, 0);
353 down(&ftdi->u132_lock); 353 mutex_lock(&ftdi->u132_lock);
354 } 354 }
355 } 355 }
356 ftdi->recieved = 0; 356 ftdi->recieved = 0;
357 ftdi->expected = 4; 357 ftdi->expected = 4;
358 ftdi->ed_found = 0; 358 ftdi->ed_found = 0;
359 up(&ftdi->u132_lock); 359 mutex_unlock(&ftdi->u132_lock);
360} 360}
361 361
362static void ftdi_elan_flush_targets(struct usb_ftdi *ftdi) 362static void ftdi_elan_flush_targets(struct usb_ftdi *ftdi)
363{ 363{
364 int ed_number = 4; 364 int ed_number = 4;
365 down(&ftdi->u132_lock); 365 mutex_lock(&ftdi->u132_lock);
366 while (ed_number-- > 0) { 366 while (ed_number-- > 0) {
367 struct u132_target *target = &ftdi->target[ed_number]; 367 struct u132_target *target = &ftdi->target[ed_number];
368 target->abandoning = 1; 368 target->abandoning = 1;
@@ -382,9 +382,9 @@ static void ftdi_elan_flush_targets(struct usb_ftdi *ftdi)
382 ftdi->command_next += 1; 382 ftdi->command_next += 1;
383 ftdi_elan_kick_command_queue(ftdi); 383 ftdi_elan_kick_command_queue(ftdi);
384 } else { 384 } else {
385 up(&ftdi->u132_lock); 385 mutex_unlock(&ftdi->u132_lock);
386 msleep(100); 386 msleep(100);
387 down(&ftdi->u132_lock); 387 mutex_lock(&ftdi->u132_lock);
388 goto wait_1; 388 goto wait_1;
389 } 389 }
390 } 390 }
@@ -404,9 +404,9 @@ static void ftdi_elan_flush_targets(struct usb_ftdi *ftdi)
404 ftdi->command_next += 1; 404 ftdi->command_next += 1;
405 ftdi_elan_kick_command_queue(ftdi); 405 ftdi_elan_kick_command_queue(ftdi);
406 } else { 406 } else {
407 up(&ftdi->u132_lock); 407 mutex_unlock(&ftdi->u132_lock);
408 msleep(100); 408 msleep(100);
409 down(&ftdi->u132_lock); 409 mutex_lock(&ftdi->u132_lock);
410 goto wait_2; 410 goto wait_2;
411 } 411 }
412 } 412 }
@@ -414,13 +414,13 @@ static void ftdi_elan_flush_targets(struct usb_ftdi *ftdi)
414 ftdi->recieved = 0; 414 ftdi->recieved = 0;
415 ftdi->expected = 4; 415 ftdi->expected = 4;
416 ftdi->ed_found = 0; 416 ftdi->ed_found = 0;
417 up(&ftdi->u132_lock); 417 mutex_unlock(&ftdi->u132_lock);
418} 418}
419 419
420static void ftdi_elan_cancel_targets(struct usb_ftdi *ftdi) 420static void ftdi_elan_cancel_targets(struct usb_ftdi *ftdi)
421{ 421{
422 int ed_number = 4; 422 int ed_number = 4;
423 down(&ftdi->u132_lock); 423 mutex_lock(&ftdi->u132_lock);
424 while (ed_number-- > 0) { 424 while (ed_number-- > 0) {
425 struct u132_target *target = &ftdi->target[ed_number]; 425 struct u132_target *target = &ftdi->target[ed_number];
426 target->abandoning = 1; 426 target->abandoning = 1;
@@ -440,9 +440,9 @@ static void ftdi_elan_cancel_targets(struct usb_ftdi *ftdi)
440 ftdi->command_next += 1; 440 ftdi->command_next += 1;
441 ftdi_elan_kick_command_queue(ftdi); 441 ftdi_elan_kick_command_queue(ftdi);
442 } else { 442 } else {
443 up(&ftdi->u132_lock); 443 mutex_unlock(&ftdi->u132_lock);
444 msleep(100); 444 msleep(100);
445 down(&ftdi->u132_lock); 445 mutex_lock(&ftdi->u132_lock);
446 goto wait; 446 goto wait;
447 } 447 }
448 } 448 }
@@ -450,7 +450,7 @@ static void ftdi_elan_cancel_targets(struct usb_ftdi *ftdi)
450 ftdi->recieved = 0; 450 ftdi->recieved = 0;
451 ftdi->expected = 4; 451 ftdi->expected = 4;
452 ftdi->ed_found = 0; 452 ftdi->ed_found = 0;
453 up(&ftdi->u132_lock); 453 mutex_unlock(&ftdi->u132_lock);
454} 454}
455 455
456static void ftdi_elan_kick_command_queue(struct usb_ftdi *ftdi) 456static void ftdi_elan_kick_command_queue(struct usb_ftdi *ftdi)
@@ -886,14 +886,14 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi,
886 char *b) 886 char *b)
887{ 887{
888 int payload = (ed_length >> 0) & 0x07FF; 888 int payload = (ed_length >> 0) & 0x07FF;
889 down(&ftdi->u132_lock); 889 mutex_lock(&ftdi->u132_lock);
890 target->actual = 0; 890 target->actual = 0;
891 target->non_null = (ed_length >> 15) & 0x0001; 891 target->non_null = (ed_length >> 15) & 0x0001;
892 target->repeat_number = (ed_length >> 11) & 0x000F; 892 target->repeat_number = (ed_length >> 11) & 0x000F;
893 if (ed_type == 0x02) { 893 if (ed_type == 0x02) {
894 if (payload == 0 || target->abandoning > 0) { 894 if (payload == 0 || target->abandoning > 0) {
895 target->abandoning = 0; 895 target->abandoning = 0;
896 up(&ftdi->u132_lock); 896 mutex_unlock(&ftdi->u132_lock);
897 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response, 897 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response,
898 payload); 898 payload);
899 ftdi->recieved = 0; 899 ftdi->recieved = 0;
@@ -903,13 +903,13 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi,
903 } else { 903 } else {
904 ftdi->expected = 4 + payload; 904 ftdi->expected = 4 + payload;
905 ftdi->ed_found = 1; 905 ftdi->ed_found = 1;
906 up(&ftdi->u132_lock); 906 mutex_unlock(&ftdi->u132_lock);
907 return b; 907 return b;
908 } 908 }
909 } else if (ed_type == 0x03) { 909 } else if (ed_type == 0x03) {
910 if (payload == 0 || target->abandoning > 0) { 910 if (payload == 0 || target->abandoning > 0) {
911 target->abandoning = 0; 911 target->abandoning = 0;
912 up(&ftdi->u132_lock); 912 mutex_unlock(&ftdi->u132_lock);
913 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response, 913 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response,
914 payload); 914 payload);
915 ftdi->recieved = 0; 915 ftdi->recieved = 0;
@@ -919,12 +919,12 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi,
919 } else { 919 } else {
920 ftdi->expected = 4 + payload; 920 ftdi->expected = 4 + payload;
921 ftdi->ed_found = 1; 921 ftdi->ed_found = 1;
922 up(&ftdi->u132_lock); 922 mutex_unlock(&ftdi->u132_lock);
923 return b; 923 return b;
924 } 924 }
925 } else if (ed_type == 0x01) { 925 } else if (ed_type == 0x01) {
926 target->abandoning = 0; 926 target->abandoning = 0;
927 up(&ftdi->u132_lock); 927 mutex_unlock(&ftdi->u132_lock);
928 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response, 928 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response,
929 payload); 929 payload);
930 ftdi->recieved = 0; 930 ftdi->recieved = 0;
@@ -933,7 +933,7 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi,
933 return ftdi->response; 933 return ftdi->response;
934 } else { 934 } else {
935 target->abandoning = 0; 935 target->abandoning = 0;
936 up(&ftdi->u132_lock); 936 mutex_unlock(&ftdi->u132_lock);
937 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response, 937 ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response,
938 payload); 938 payload);
939 ftdi->recieved = 0; 939 ftdi->recieved = 0;
@@ -947,12 +947,12 @@ static char *have_ed_get_response(struct usb_ftdi *ftdi,
947 struct u132_target *target, u16 ed_length, int ed_number, int ed_type, 947 struct u132_target *target, u16 ed_length, int ed_number, int ed_type,
948 char *b) 948 char *b)
949{ 949{
950 down(&ftdi->u132_lock); 950 mutex_lock(&ftdi->u132_lock);
951 target->condition_code = TD_DEVNOTRESP; 951 target->condition_code = TD_DEVNOTRESP;
952 target->actual = (ed_length >> 0) & 0x01FF; 952 target->actual = (ed_length >> 0) & 0x01FF;
953 target->non_null = (ed_length >> 15) & 0x0001; 953 target->non_null = (ed_length >> 15) & 0x0001;
954 target->repeat_number = (ed_length >> 11) & 0x000F; 954 target->repeat_number = (ed_length >> 11) & 0x000F;
955 up(&ftdi->u132_lock); 955 mutex_unlock(&ftdi->u132_lock);
956 if (target->active) 956 if (target->active)
957 ftdi_elan_do_callback(ftdi, target, NULL, 0); 957 ftdi_elan_do_callback(ftdi, target, NULL, 0);
958 target->abandoning = 0; 958 target->abandoning = 0;
@@ -1278,7 +1278,7 @@ static int ftdi_elan_write_reg(struct usb_ftdi *ftdi, u32 data)
1278 return -ENODEV; 1278 return -ENODEV;
1279 } else { 1279 } else {
1280 int command_size; 1280 int command_size;
1281 down(&ftdi->u132_lock); 1281 mutex_lock(&ftdi->u132_lock);
1282 command_size = ftdi->command_next - ftdi->command_head; 1282 command_size = ftdi->command_next - ftdi->command_head;
1283 if (command_size < COMMAND_SIZE) { 1283 if (command_size < COMMAND_SIZE) {
1284 struct u132_command *command = &ftdi->command[ 1284 struct u132_command *command = &ftdi->command[
@@ -1292,10 +1292,10 @@ static int ftdi_elan_write_reg(struct usb_ftdi *ftdi, u32 data)
1292 command->buffer = &command->value; 1292 command->buffer = &command->value;
1293 ftdi->command_next += 1; 1293 ftdi->command_next += 1;
1294 ftdi_elan_kick_command_queue(ftdi); 1294 ftdi_elan_kick_command_queue(ftdi);
1295 up(&ftdi->u132_lock); 1295 mutex_unlock(&ftdi->u132_lock);
1296 return 0; 1296 return 0;
1297 } else { 1297 } else {
1298 up(&ftdi->u132_lock); 1298 mutex_unlock(&ftdi->u132_lock);
1299 msleep(100); 1299 msleep(100);
1300 goto wait; 1300 goto wait;
1301 } 1301 }
@@ -1310,7 +1310,7 @@ static int ftdi_elan_write_config(struct usb_ftdi *ftdi, int config_offset,
1310 return -ENODEV; 1310 return -ENODEV;
1311 } else { 1311 } else {
1312 int command_size; 1312 int command_size;
1313 down(&ftdi->u132_lock); 1313 mutex_lock(&ftdi->u132_lock);
1314 command_size = ftdi->command_next - ftdi->command_head; 1314 command_size = ftdi->command_next - ftdi->command_head;
1315 if (command_size < COMMAND_SIZE) { 1315 if (command_size < COMMAND_SIZE) {
1316 struct u132_command *command = &ftdi->command[ 1316 struct u132_command *command = &ftdi->command[
@@ -1324,10 +1324,10 @@ static int ftdi_elan_write_config(struct usb_ftdi *ftdi, int config_offset,
1324 command->buffer = &command->value; 1324 command->buffer = &command->value;
1325 ftdi->command_next += 1; 1325 ftdi->command_next += 1;
1326 ftdi_elan_kick_command_queue(ftdi); 1326 ftdi_elan_kick_command_queue(ftdi);
1327 up(&ftdi->u132_lock); 1327 mutex_unlock(&ftdi->u132_lock);
1328 return 0; 1328 return 0;
1329 } else { 1329 } else {
1330 up(&ftdi->u132_lock); 1330 mutex_unlock(&ftdi->u132_lock);
1331 msleep(100); 1331 msleep(100);
1332 goto wait; 1332 goto wait;
1333 } 1333 }
@@ -1342,7 +1342,7 @@ static int ftdi_elan_write_pcimem(struct usb_ftdi *ftdi, int mem_offset,
1342 return -ENODEV; 1342 return -ENODEV;
1343 } else { 1343 } else {
1344 int command_size; 1344 int command_size;
1345 down(&ftdi->u132_lock); 1345 mutex_lock(&ftdi->u132_lock);
1346 command_size = ftdi->command_next - ftdi->command_head; 1346 command_size = ftdi->command_next - ftdi->command_head;
1347 if (command_size < COMMAND_SIZE) { 1347 if (command_size < COMMAND_SIZE) {
1348 struct u132_command *command = &ftdi->command[ 1348 struct u132_command *command = &ftdi->command[
@@ -1356,10 +1356,10 @@ static int ftdi_elan_write_pcimem(struct usb_ftdi *ftdi, int mem_offset,
1356 command->buffer = &command->value; 1356 command->buffer = &command->value;
1357 ftdi->command_next += 1; 1357 ftdi->command_next += 1;
1358 ftdi_elan_kick_command_queue(ftdi); 1358 ftdi_elan_kick_command_queue(ftdi);
1359 up(&ftdi->u132_lock); 1359 mutex_unlock(&ftdi->u132_lock);
1360 return 0; 1360 return 0;
1361 } else { 1361 } else {
1362 up(&ftdi->u132_lock); 1362 mutex_unlock(&ftdi->u132_lock);
1363 msleep(100); 1363 msleep(100);
1364 goto wait; 1364 goto wait;
1365 } 1365 }
@@ -1382,7 +1382,7 @@ static int ftdi_elan_read_reg(struct usb_ftdi *ftdi, u32 *data)
1382 } else { 1382 } else {
1383 int command_size; 1383 int command_size;
1384 int respond_size; 1384 int respond_size;
1385 down(&ftdi->u132_lock); 1385 mutex_lock(&ftdi->u132_lock);
1386 command_size = ftdi->command_next - ftdi->command_head; 1386 command_size = ftdi->command_next - ftdi->command_head;
1387 respond_size = ftdi->respond_next - ftdi->respond_head; 1387 respond_size = ftdi->respond_next - ftdi->respond_head;
1388 if (command_size < COMMAND_SIZE && respond_size < RESPOND_SIZE) 1388 if (command_size < COMMAND_SIZE && respond_size < RESPOND_SIZE)
@@ -1405,11 +1405,11 @@ static int ftdi_elan_read_reg(struct usb_ftdi *ftdi, u32 *data)
1405 ftdi->command_next += 1; 1405 ftdi->command_next += 1;
1406 ftdi->respond_next += 1; 1406 ftdi->respond_next += 1;
1407 ftdi_elan_kick_command_queue(ftdi); 1407 ftdi_elan_kick_command_queue(ftdi);
1408 up(&ftdi->u132_lock); 1408 mutex_unlock(&ftdi->u132_lock);
1409 wait_for_completion(&respond->wait_completion); 1409 wait_for_completion(&respond->wait_completion);
1410 return result; 1410 return result;
1411 } else { 1411 } else {
1412 up(&ftdi->u132_lock); 1412 mutex_unlock(&ftdi->u132_lock);
1413 msleep(100); 1413 msleep(100);
1414 goto wait; 1414 goto wait;
1415 } 1415 }
@@ -1425,7 +1425,7 @@ static int ftdi_elan_read_config(struct usb_ftdi *ftdi, int config_offset,
1425 } else { 1425 } else {
1426 int command_size; 1426 int command_size;
1427 int respond_size; 1427 int respond_size;
1428 down(&ftdi->u132_lock); 1428 mutex_lock(&ftdi->u132_lock);
1429 command_size = ftdi->command_next - ftdi->command_head; 1429 command_size = ftdi->command_next - ftdi->command_head;
1430 respond_size = ftdi->respond_next - ftdi->respond_head; 1430 respond_size = ftdi->respond_next - ftdi->respond_head;
1431 if (command_size < COMMAND_SIZE && respond_size < RESPOND_SIZE) 1431 if (command_size < COMMAND_SIZE && respond_size < RESPOND_SIZE)
@@ -1449,11 +1449,11 @@ static int ftdi_elan_read_config(struct usb_ftdi *ftdi, int config_offset,
1449 ftdi->command_next += 1; 1449 ftdi->command_next += 1;
1450 ftdi->respond_next += 1; 1450 ftdi->respond_next += 1;
1451 ftdi_elan_kick_command_queue(ftdi); 1451 ftdi_elan_kick_command_queue(ftdi);
1452 up(&ftdi->u132_lock); 1452 mutex_unlock(&ftdi->u132_lock);
1453 wait_for_completion(&respond->wait_completion); 1453 wait_for_completion(&respond->wait_completion);
1454 return result; 1454 return result;
1455 } else { 1455 } else {
1456 up(&ftdi->u132_lock); 1456 mutex_unlock(&ftdi->u132_lock);
1457 msleep(100); 1457 msleep(100);
1458 goto wait; 1458 goto wait;
1459 } 1459 }
@@ -1469,7 +1469,7 @@ static int ftdi_elan_read_pcimem(struct usb_ftdi *ftdi, int mem_offset,
1469 } else { 1469 } else {
1470 int command_size; 1470 int command_size;
1471 int respond_size; 1471 int respond_size;
1472 down(&ftdi->u132_lock); 1472 mutex_lock(&ftdi->u132_lock);
1473 command_size = ftdi->command_next - ftdi->command_head; 1473 command_size = ftdi->command_next - ftdi->command_head;
1474 respond_size = ftdi->respond_next - ftdi->respond_head; 1474 respond_size = ftdi->respond_next - ftdi->respond_head;
1475 if (command_size < COMMAND_SIZE && respond_size < RESPOND_SIZE) 1475 if (command_size < COMMAND_SIZE && respond_size < RESPOND_SIZE)
@@ -1493,11 +1493,11 @@ static int ftdi_elan_read_pcimem(struct usb_ftdi *ftdi, int mem_offset,
1493 ftdi->command_next += 1; 1493 ftdi->command_next += 1;
1494 ftdi->respond_next += 1; 1494 ftdi->respond_next += 1;
1495 ftdi_elan_kick_command_queue(ftdi); 1495 ftdi_elan_kick_command_queue(ftdi);
1496 up(&ftdi->u132_lock); 1496 mutex_unlock(&ftdi->u132_lock);
1497 wait_for_completion(&respond->wait_completion); 1497 wait_for_completion(&respond->wait_completion);
1498 return result; 1498 return result;
1499 } else { 1499 } else {
1500 up(&ftdi->u132_lock); 1500 mutex_unlock(&ftdi->u132_lock);
1501 msleep(100); 1501 msleep(100);
1502 goto wait; 1502 goto wait;
1503 } 1503 }
@@ -1529,7 +1529,7 @@ static int ftdi_elan_edset_setup(struct usb_ftdi *ftdi, u8 ed_number,
1529 return -ENODEV; 1529 return -ENODEV;
1530 } else { 1530 } else {
1531 int command_size; 1531 int command_size;
1532 down(&ftdi->u132_lock); 1532 mutex_lock(&ftdi->u132_lock);
1533 command_size = ftdi->command_next - ftdi->command_head; 1533 command_size = ftdi->command_next - ftdi->command_head;
1534 if (command_size < COMMAND_SIZE) { 1534 if (command_size < COMMAND_SIZE) {
1535 struct u132_target *target = &ftdi->target[ed]; 1535 struct u132_target *target = &ftdi->target[ed];
@@ -1550,10 +1550,10 @@ static int ftdi_elan_edset_setup(struct usb_ftdi *ftdi, u8 ed_number,
1550 target->active = 1; 1550 target->active = 1;
1551 ftdi->command_next += 1; 1551 ftdi->command_next += 1;
1552 ftdi_elan_kick_command_queue(ftdi); 1552 ftdi_elan_kick_command_queue(ftdi);
1553 up(&ftdi->u132_lock); 1553 mutex_unlock(&ftdi->u132_lock);
1554 return 0; 1554 return 0;
1555 } else { 1555 } else {
1556 up(&ftdi->u132_lock); 1556 mutex_unlock(&ftdi->u132_lock);
1557 msleep(100); 1557 msleep(100);
1558 goto wait; 1558 goto wait;
1559 } 1559 }
@@ -1586,7 +1586,7 @@ static int ftdi_elan_edset_input(struct usb_ftdi *ftdi, u8 ed_number,
1586 return -ENODEV; 1586 return -ENODEV;
1587 } else { 1587 } else {
1588 int command_size; 1588 int command_size;
1589 down(&ftdi->u132_lock); 1589 mutex_lock(&ftdi->u132_lock);
1590 command_size = ftdi->command_next - ftdi->command_head; 1590 command_size = ftdi->command_next - ftdi->command_head;
1591 if (command_size < COMMAND_SIZE) { 1591 if (command_size < COMMAND_SIZE) {
1592 struct u132_target *target = &ftdi->target[ed]; 1592 struct u132_target *target = &ftdi->target[ed];
@@ -1615,10 +1615,10 @@ static int ftdi_elan_edset_input(struct usb_ftdi *ftdi, u8 ed_number,
1615 target->active = 1; 1615 target->active = 1;
1616 ftdi->command_next += 1; 1616 ftdi->command_next += 1;
1617 ftdi_elan_kick_command_queue(ftdi); 1617 ftdi_elan_kick_command_queue(ftdi);
1618 up(&ftdi->u132_lock); 1618 mutex_unlock(&ftdi->u132_lock);
1619 return 0; 1619 return 0;
1620 } else { 1620 } else {
1621 up(&ftdi->u132_lock); 1621 mutex_unlock(&ftdi->u132_lock);
1622 msleep(100); 1622 msleep(100);
1623 goto wait; 1623 goto wait;
1624 } 1624 }
@@ -1651,7 +1651,7 @@ static int ftdi_elan_edset_empty(struct usb_ftdi *ftdi, u8 ed_number,
1651 return -ENODEV; 1651 return -ENODEV;
1652 } else { 1652 } else {
1653 int command_size; 1653 int command_size;
1654 down(&ftdi->u132_lock); 1654 mutex_lock(&ftdi->u132_lock);
1655 command_size = ftdi->command_next - ftdi->command_head; 1655 command_size = ftdi->command_next - ftdi->command_head;
1656 if (command_size < COMMAND_SIZE) { 1656 if (command_size < COMMAND_SIZE) {
1657 struct u132_target *target = &ftdi->target[ed]; 1657 struct u132_target *target = &ftdi->target[ed];
@@ -1672,10 +1672,10 @@ static int ftdi_elan_edset_empty(struct usb_ftdi *ftdi, u8 ed_number,
1672 target->active = 1; 1672 target->active = 1;
1673 ftdi->command_next += 1; 1673 ftdi->command_next += 1;
1674 ftdi_elan_kick_command_queue(ftdi); 1674 ftdi_elan_kick_command_queue(ftdi);
1675 up(&ftdi->u132_lock); 1675 mutex_unlock(&ftdi->u132_lock);
1676 return 0; 1676 return 0;
1677 } else { 1677 } else {
1678 up(&ftdi->u132_lock); 1678 mutex_unlock(&ftdi->u132_lock);
1679 msleep(100); 1679 msleep(100);
1680 goto wait; 1680 goto wait;
1681 } 1681 }
@@ -1708,7 +1708,7 @@ static int ftdi_elan_edset_output(struct usb_ftdi *ftdi, u8 ed_number,
1708 return -ENODEV; 1708 return -ENODEV;
1709 } else { 1709 } else {
1710 int command_size; 1710 int command_size;
1711 down(&ftdi->u132_lock); 1711 mutex_lock(&ftdi->u132_lock);
1712 command_size = ftdi->command_next - ftdi->command_head; 1712 command_size = ftdi->command_next - ftdi->command_head;
1713 if (command_size < COMMAND_SIZE) { 1713 if (command_size < COMMAND_SIZE) {
1714 u8 *b; 1714 u8 *b;
@@ -1751,10 +1751,10 @@ static int ftdi_elan_edset_output(struct usb_ftdi *ftdi, u8 ed_number,
1751 target->active = 1; 1751 target->active = 1;
1752 ftdi->command_next += 1; 1752 ftdi->command_next += 1;
1753 ftdi_elan_kick_command_queue(ftdi); 1753 ftdi_elan_kick_command_queue(ftdi);
1754 up(&ftdi->u132_lock); 1754 mutex_unlock(&ftdi->u132_lock);
1755 return 0; 1755 return 0;
1756 } else { 1756 } else {
1757 up(&ftdi->u132_lock); 1757 mutex_unlock(&ftdi->u132_lock);
1758 msleep(100); 1758 msleep(100);
1759 goto wait; 1759 goto wait;
1760 } 1760 }
@@ -1787,7 +1787,7 @@ static int ftdi_elan_edset_single(struct usb_ftdi *ftdi, u8 ed_number,
1787 return -ENODEV; 1787 return -ENODEV;
1788 } else { 1788 } else {
1789 int command_size; 1789 int command_size;
1790 down(&ftdi->u132_lock); 1790 mutex_lock(&ftdi->u132_lock);
1791 command_size = ftdi->command_next - ftdi->command_head; 1791 command_size = ftdi->command_next - ftdi->command_head;
1792 if (command_size < COMMAND_SIZE) { 1792 if (command_size < COMMAND_SIZE) {
1793 int remaining_length = urb->transfer_buffer_length - 1793 int remaining_length = urb->transfer_buffer_length -
@@ -1816,10 +1816,10 @@ static int ftdi_elan_edset_single(struct usb_ftdi *ftdi, u8 ed_number,
1816 target->active = 1; 1816 target->active = 1;
1817 ftdi->command_next += 1; 1817 ftdi->command_next += 1;
1818 ftdi_elan_kick_command_queue(ftdi); 1818 ftdi_elan_kick_command_queue(ftdi);
1819 up(&ftdi->u132_lock); 1819 mutex_unlock(&ftdi->u132_lock);
1820 return 0; 1820 return 0;
1821 } else { 1821 } else {
1822 up(&ftdi->u132_lock); 1822 mutex_unlock(&ftdi->u132_lock);
1823 msleep(100); 1823 msleep(100);
1824 goto wait; 1824 goto wait;
1825 } 1825 }
@@ -1849,9 +1849,9 @@ static int ftdi_elan_edset_flush(struct usb_ftdi *ftdi, u8 ed_number,
1849 return -ENODEV; 1849 return -ENODEV;
1850 } else { 1850 } else {
1851 struct u132_target *target = &ftdi->target[ed]; 1851 struct u132_target *target = &ftdi->target[ed];
1852 down(&ftdi->u132_lock); 1852 mutex_lock(&ftdi->u132_lock);
1853 if (target->abandoning > 0) { 1853 if (target->abandoning > 0) {
1854 up(&ftdi->u132_lock); 1854 mutex_unlock(&ftdi->u132_lock);
1855 return 0; 1855 return 0;
1856 } else { 1856 } else {
1857 target->abandoning = 1; 1857 target->abandoning = 1;
@@ -1873,13 +1873,13 @@ static int ftdi_elan_edset_flush(struct usb_ftdi *ftdi, u8 ed_number,
1873 ftdi->command_next += 1; 1873 ftdi->command_next += 1;
1874 ftdi_elan_kick_command_queue(ftdi); 1874 ftdi_elan_kick_command_queue(ftdi);
1875 } else { 1875 } else {
1876 up(&ftdi->u132_lock); 1876 mutex_unlock(&ftdi->u132_lock);
1877 msleep(100); 1877 msleep(100);
1878 down(&ftdi->u132_lock); 1878 mutex_lock(&ftdi->u132_lock);
1879 goto wait_1; 1879 goto wait_1;
1880 } 1880 }
1881 } 1881 }
1882 up(&ftdi->u132_lock); 1882 mutex_unlock(&ftdi->u132_lock);
1883 return 0; 1883 return 0;
1884 } 1884 }
1885 } 1885 }
@@ -2793,7 +2793,7 @@ static int ftdi_elan_probe(struct usb_interface *interface,
2793 init_MUTEX(&ftdi->sw_lock); 2793 init_MUTEX(&ftdi->sw_lock);
2794 ftdi->udev = usb_get_dev(interface_to_usbdev(interface)); 2794 ftdi->udev = usb_get_dev(interface_to_usbdev(interface));
2795 ftdi->interface = interface; 2795 ftdi->interface = interface;
2796 init_MUTEX(&ftdi->u132_lock); 2796 mutex_init(&ftdi->u132_lock);
2797 ftdi->expected = 4; 2797 ftdi->expected = 4;
2798 iface_desc = interface->cur_altsetting; 2798 iface_desc = interface->cur_altsetting;
2799 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 2799 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-18 13:33:29 -0500