diff options
Diffstat (limited to 'drivers/firewire/fw-sbp2.c')
-rw-r--r-- | drivers/firewire/fw-sbp2.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index f488ff8903fc..7c53be0387fb 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c | |||
@@ -416,21 +416,11 @@ sbp2_send_management_orb(struct fw_unit *unit, int node_id, int generation, | |||
416 | if (orb == NULL) | 416 | if (orb == NULL) |
417 | return -ENOMEM; | 417 | return -ENOMEM; |
418 | 418 | ||
419 | /* | ||
420 | * The sbp2 device is going to send a block read request to | ||
421 | * read out the request from host memory, so map it for dma. | ||
422 | */ | ||
423 | orb->base.request_bus = | ||
424 | dma_map_single(device->card->device, &orb->request, | ||
425 | sizeof(orb->request), DMA_TO_DEVICE); | ||
426 | if (dma_mapping_error(orb->base.request_bus)) | ||
427 | goto out; | ||
428 | |||
429 | orb->response_bus = | 419 | orb->response_bus = |
430 | dma_map_single(device->card->device, &orb->response, | 420 | dma_map_single(device->card->device, &orb->response, |
431 | sizeof(orb->response), DMA_FROM_DEVICE); | 421 | sizeof(orb->response), DMA_FROM_DEVICE); |
432 | if (dma_mapping_error(orb->response_bus)) | 422 | if (dma_mapping_error(orb->response_bus)) |
433 | goto out; | 423 | goto fail_mapping_response; |
434 | 424 | ||
435 | orb->request.response.high = 0; | 425 | orb->request.response.high = 0; |
436 | orb->request.response.low = orb->response_bus; | 426 | orb->request.response.low = orb->response_bus; |
@@ -456,6 +446,12 @@ sbp2_send_management_orb(struct fw_unit *unit, int node_id, int generation, | |||
456 | init_completion(&orb->done); | 446 | init_completion(&orb->done); |
457 | orb->base.callback = complete_management_orb; | 447 | orb->base.callback = complete_management_orb; |
458 | 448 | ||
449 | orb->base.request_bus = | ||
450 | dma_map_single(device->card->device, &orb->request, | ||
451 | sizeof(orb->request), DMA_TO_DEVICE); | ||
452 | if (dma_mapping_error(orb->base.request_bus)) | ||
453 | goto fail_mapping_request; | ||
454 | |||
459 | sbp2_send_orb(&orb->base, unit, | 455 | sbp2_send_orb(&orb->base, unit, |
460 | node_id, generation, sd->management_agent_address); | 456 | node_id, generation, sd->management_agent_address); |
461 | 457 | ||
@@ -487,9 +483,10 @@ sbp2_send_management_orb(struct fw_unit *unit, int node_id, int generation, | |||
487 | out: | 483 | out: |
488 | dma_unmap_single(device->card->device, orb->base.request_bus, | 484 | dma_unmap_single(device->card->device, orb->base.request_bus, |
489 | sizeof(orb->request), DMA_TO_DEVICE); | 485 | sizeof(orb->request), DMA_TO_DEVICE); |
486 | fail_mapping_request: | ||
490 | dma_unmap_single(device->card->device, orb->response_bus, | 487 | dma_unmap_single(device->card->device, orb->response_bus, |
491 | sizeof(orb->response), DMA_FROM_DEVICE); | 488 | sizeof(orb->response), DMA_FROM_DEVICE); |
492 | 489 | fail_mapping_response: | |
493 | if (response) | 490 | if (response) |
494 | fw_memcpy_from_be32(response, | 491 | fw_memcpy_from_be32(response, |
495 | orb->response, sizeof(orb->response)); | 492 | orb->response, sizeof(orb->response)); |