aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/firewire/fw-ohci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firewire/fw-ohci.c')
-rw-r--r--drivers/firewire/fw-ohci.c52
1 files changed, 42 insertions, 10 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 251416f2148f..46610b090415 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -476,6 +476,7 @@ static int ar_context_add_page(struct ar_context *ctx)
476 if (ab == NULL) 476 if (ab == NULL)
477 return -ENOMEM; 477 return -ENOMEM;
478 478
479 ab->next = NULL;
479 memset(&ab->descriptor, 0, sizeof(ab->descriptor)); 480 memset(&ab->descriptor, 0, sizeof(ab->descriptor));
480 ab->descriptor.control = cpu_to_le16(DESCRIPTOR_INPUT_MORE | 481 ab->descriptor.control = cpu_to_le16(DESCRIPTOR_INPUT_MORE |
481 DESCRIPTOR_STATUS | 482 DESCRIPTOR_STATUS |
@@ -496,6 +497,21 @@ static int ar_context_add_page(struct ar_context *ctx)
496 return 0; 497 return 0;
497} 498}
498 499
500static void ar_context_release(struct ar_context *ctx)
501{
502 struct ar_buffer *ab, *ab_next;
503 size_t offset;
504 dma_addr_t ab_bus;
505
506 for (ab = ctx->current_buffer; ab; ab = ab_next) {
507 ab_next = ab->next;
508 offset = offsetof(struct ar_buffer, data);
509 ab_bus = le32_to_cpu(ab->descriptor.data_address) - offset;
510 dma_free_coherent(ctx->ohci->card.device, PAGE_SIZE,
511 ab, ab_bus);
512 }
513}
514
499#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) 515#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
500#define cond_le32_to_cpu(v) \ 516#define cond_le32_to_cpu(v) \
501 (ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v)) 517 (ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v))
@@ -2349,8 +2365,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
2349 2365
2350 ohci = kzalloc(sizeof(*ohci), GFP_KERNEL); 2366 ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
2351 if (ohci == NULL) { 2367 if (ohci == NULL) {
2352 fw_error("Could not malloc fw_ohci data.\n"); 2368 err = -ENOMEM;
2353 return -ENOMEM; 2369 goto fail;
2354 } 2370 }
2355 2371
2356 fw_card_initialize(&ohci->card, &ohci_driver, &dev->dev); 2372 fw_card_initialize(&ohci->card, &ohci_driver, &dev->dev);
@@ -2359,7 +2375,7 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
2359 2375
2360 err = pci_enable_device(dev); 2376 err = pci_enable_device(dev);
2361 if (err) { 2377 if (err) {
2362 fw_error("Failed to enable OHCI hardware.\n"); 2378 fw_error("Failed to enable OHCI hardware\n");
2363 goto fail_free; 2379 goto fail_free;
2364 } 2380 }
2365 2381
@@ -2427,9 +2443,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
2427 ohci->ir_context_list = kzalloc(size, GFP_KERNEL); 2443 ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
2428 2444
2429 if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) { 2445 if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) {
2430 fw_error("Out of memory for it/ir contexts.\n");
2431 err = -ENOMEM; 2446 err = -ENOMEM;
2432 goto fail_registers; 2447 goto fail_contexts;
2433 } 2448 }
2434 2449
2435 /* self-id dma buffer allocation */ 2450 /* self-id dma buffer allocation */
@@ -2438,9 +2453,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
2438 &ohci->self_id_bus, 2453 &ohci->self_id_bus,
2439 GFP_KERNEL); 2454 GFP_KERNEL);
2440 if (ohci->self_id_cpu == NULL) { 2455 if (ohci->self_id_cpu == NULL) {
2441 fw_error("Out of memory for self ID buffer.\n");
2442 err = -ENOMEM; 2456 err = -ENOMEM;
2443 goto fail_registers; 2457 goto fail_contexts;
2444 } 2458 }
2445 2459
2446 bus_options = reg_read(ohci, OHCI1394_BusOptions); 2460 bus_options = reg_read(ohci, OHCI1394_BusOptions);
@@ -2454,15 +2468,19 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
2454 goto fail_self_id; 2468 goto fail_self_id;
2455 2469
2456 fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n", 2470 fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n",
2457 dev->dev.bus_id, version >> 16, version & 0xff); 2471 dev_name(&dev->dev), version >> 16, version & 0xff);
2458 return 0; 2472 return 0;
2459 2473
2460 fail_self_id: 2474 fail_self_id:
2461 dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE, 2475 dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE,
2462 ohci->self_id_cpu, ohci->self_id_bus); 2476 ohci->self_id_cpu, ohci->self_id_bus);
2463 fail_registers: 2477 fail_contexts:
2464 kfree(ohci->it_context_list);
2465 kfree(ohci->ir_context_list); 2478 kfree(ohci->ir_context_list);
2479 kfree(ohci->it_context_list);
2480 context_release(&ohci->at_response_ctx);
2481 context_release(&ohci->at_request_ctx);
2482 ar_context_release(&ohci->ar_response_ctx);
2483 ar_context_release(&ohci->ar_request_ctx);
2466 pci_iounmap(dev, ohci->registers); 2484 pci_iounmap(dev, ohci->registers);
2467 fail_iomem: 2485 fail_iomem:
2468 pci_release_region(dev, 0); 2486 pci_release_region(dev, 0);
@@ -2471,6 +2489,9 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
2471 fail_free: 2489 fail_free:
2472 kfree(&ohci->card); 2490 kfree(&ohci->card);
2473 ohci_pmac_off(dev); 2491 ohci_pmac_off(dev);
2492 fail:
2493 if (err == -ENOMEM)
2494 fw_error("Out of memory\n");
2474 2495
2475 return err; 2496 return err;
2476} 2497}
@@ -2491,8 +2512,19 @@ static void pci_remove(struct pci_dev *dev)
2491 2512
2492 software_reset(ohci); 2513 software_reset(ohci);
2493 free_irq(dev->irq, ohci); 2514 free_irq(dev->irq, ohci);
2515
2516 if (ohci->next_config_rom && ohci->next_config_rom != ohci->config_rom)
2517 dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
2518 ohci->next_config_rom, ohci->next_config_rom_bus);
2519 if (ohci->config_rom)
2520 dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
2521 ohci->config_rom, ohci->config_rom_bus);
2494 dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE, 2522 dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE,
2495 ohci->self_id_cpu, ohci->self_id_bus); 2523 ohci->self_id_cpu, ohci->self_id_bus);
2524 ar_context_release(&ohci->ar_request_ctx);
2525 ar_context_release(&ohci->ar_response_ctx);
2526 context_release(&ohci->at_request_ctx);
2527 context_release(&ohci->at_response_ctx);
2496 kfree(ohci->it_context_list); 2528 kfree(ohci->it_context_list);
2497 kfree(ohci->ir_context_list); 2529 kfree(ohci->ir_context_list);
2498 pci_iounmap(dev, ohci->registers); 2530 pci_iounmap(dev, ohci->registers);