diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/ieee1394/highlevel.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/ieee1394/highlevel.c b/drivers/ieee1394/highlevel.c index 165dcd669560..d255d407e064 100644 --- a/drivers/ieee1394/highlevel.c +++ b/drivers/ieee1394/highlevel.c | |||
@@ -210,6 +210,8 @@ static int highlevel_for_each_host_reg(struct hpsb_host *host, void *__data) | |||
210 | 210 | ||
211 | void hpsb_register_highlevel(struct hpsb_highlevel *hl) | 211 | void hpsb_register_highlevel(struct hpsb_highlevel *hl) |
212 | { | 212 | { |
213 | unsigned long flags; | ||
214 | |||
213 | INIT_LIST_HEAD(&hl->addr_list); | 215 | INIT_LIST_HEAD(&hl->addr_list); |
214 | INIT_LIST_HEAD(&hl->host_info_list); | 216 | INIT_LIST_HEAD(&hl->host_info_list); |
215 | 217 | ||
@@ -219,9 +221,9 @@ void hpsb_register_highlevel(struct hpsb_highlevel *hl) | |||
219 | list_add_tail(&hl->hl_list, &hl_drivers); | 221 | list_add_tail(&hl->hl_list, &hl_drivers); |
220 | up_write(&hl_drivers_sem); | 222 | up_write(&hl_drivers_sem); |
221 | 223 | ||
222 | write_lock(&hl_irqs_lock); | 224 | write_lock_irqsave(&hl_irqs_lock, flags); |
223 | list_add_tail(&hl->irq_list, &hl_irqs); | 225 | list_add_tail(&hl->irq_list, &hl_irqs); |
224 | write_unlock(&hl_irqs_lock); | 226 | write_unlock_irqrestore(&hl_irqs_lock, flags); |
225 | 227 | ||
226 | if (hl->add_host) | 228 | if (hl->add_host) |
227 | nodemgr_for_each_host(hl, highlevel_for_each_host_reg); | 229 | nodemgr_for_each_host(hl, highlevel_for_each_host_reg); |
@@ -282,9 +284,11 @@ static int highlevel_for_each_host_unreg(struct hpsb_host *host, void *__data) | |||
282 | 284 | ||
283 | void hpsb_unregister_highlevel(struct hpsb_highlevel *hl) | 285 | void hpsb_unregister_highlevel(struct hpsb_highlevel *hl) |
284 | { | 286 | { |
285 | write_lock(&hl_irqs_lock); | 287 | unsigned long flags; |
288 | |||
289 | write_lock_irqsave(&hl_irqs_lock, flags); | ||
286 | list_del(&hl->irq_list); | 290 | list_del(&hl->irq_list); |
287 | write_unlock(&hl_irqs_lock); | 291 | write_unlock_irqrestore(&hl_irqs_lock, flags); |
288 | 292 | ||
289 | down_write(&hl_drivers_sem); | 293 | down_write(&hl_drivers_sem); |
290 | list_del(&hl->hl_list); | 294 | list_del(&hl->hl_list); |
@@ -517,42 +521,45 @@ void highlevel_remove_host(struct hpsb_host *host) | |||
517 | 521 | ||
518 | void highlevel_host_reset(struct hpsb_host *host) | 522 | void highlevel_host_reset(struct hpsb_host *host) |
519 | { | 523 | { |
524 | unsigned long flags; | ||
520 | struct hpsb_highlevel *hl; | 525 | struct hpsb_highlevel *hl; |
521 | 526 | ||
522 | read_lock(&hl_irqs_lock); | 527 | read_lock_irqsave(&hl_irqs_lock, flags); |
523 | list_for_each_entry(hl, &hl_irqs, irq_list) { | 528 | list_for_each_entry(hl, &hl_irqs, irq_list) { |
524 | if (hl->host_reset) | 529 | if (hl->host_reset) |
525 | hl->host_reset(host); | 530 | hl->host_reset(host); |
526 | } | 531 | } |
527 | read_unlock(&hl_irqs_lock); | 532 | read_unlock_irqrestore(&hl_irqs_lock, flags); |
528 | } | 533 | } |
529 | 534 | ||
530 | void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length) | 535 | void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length) |
531 | { | 536 | { |
537 | unsigned long flags; | ||
532 | struct hpsb_highlevel *hl; | 538 | struct hpsb_highlevel *hl; |
533 | int channel = (((quadlet_t *)data)[0] >> 8) & 0x3f; | 539 | int channel = (((quadlet_t *)data)[0] >> 8) & 0x3f; |
534 | 540 | ||
535 | read_lock(&hl_irqs_lock); | 541 | read_lock_irqsave(&hl_irqs_lock, flags); |
536 | list_for_each_entry(hl, &hl_irqs, irq_list) { | 542 | list_for_each_entry(hl, &hl_irqs, irq_list) { |
537 | if (hl->iso_receive) | 543 | if (hl->iso_receive) |
538 | hl->iso_receive(host, channel, data, length); | 544 | hl->iso_receive(host, channel, data, length); |
539 | } | 545 | } |
540 | read_unlock(&hl_irqs_lock); | 546 | read_unlock_irqrestore(&hl_irqs_lock, flags); |
541 | } | 547 | } |
542 | 548 | ||
543 | void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction, | 549 | void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction, |
544 | void *data, size_t length) | 550 | void *data, size_t length) |
545 | { | 551 | { |
552 | unsigned long flags; | ||
546 | struct hpsb_highlevel *hl; | 553 | struct hpsb_highlevel *hl; |
547 | int cts = ((quadlet_t *)data)[0] >> 4; | 554 | int cts = ((quadlet_t *)data)[0] >> 4; |
548 | 555 | ||
549 | read_lock(&hl_irqs_lock); | 556 | read_lock_irqsave(&hl_irqs_lock, flags); |
550 | list_for_each_entry(hl, &hl_irqs, irq_list) { | 557 | list_for_each_entry(hl, &hl_irqs, irq_list) { |
551 | if (hl->fcp_request) | 558 | if (hl->fcp_request) |
552 | hl->fcp_request(host, nodeid, direction, cts, data, | 559 | hl->fcp_request(host, nodeid, direction, cts, data, |
553 | length); | 560 | length); |
554 | } | 561 | } |
555 | read_unlock(&hl_irqs_lock); | 562 | read_unlock_irqrestore(&hl_irqs_lock, flags); |
556 | } | 563 | } |
557 | 564 | ||
558 | int highlevel_read(struct hpsb_host *host, int nodeid, void *data, | 565 | int highlevel_read(struct hpsb_host *host, int nodeid, void *data, |