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path: root/drivers/firewire/fw-ohci.c
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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 251416f2148..46610b09041 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)
if (ab == NULL)
return -ENOMEM;
+ ab->next = NULL;
memset(&ab->descriptor, 0, sizeof(ab->descriptor));
ab->descriptor.control = cpu_to_le16(DESCRIPTOR_INPUT_MORE |
DESCRIPTOR_STATUS |
@@ -496,6 +497,21 @@ static int ar_context_add_page(struct ar_context *ctx)
return 0;
}
+static void ar_context_release(struct ar_context *ctx)
+{
+ struct ar_buffer *ab, *ab_next;
+ size_t offset;
+ dma_addr_t ab_bus;
+
+ for (ab = ctx->current_buffer; ab; ab = ab_next) {
+ ab_next = ab->next;
+ offset = offsetof(struct ar_buffer, data);
+ ab_bus = le32_to_cpu(ab->descriptor.data_address) - offset;
+ dma_free_coherent(ctx->ohci->card.device, PAGE_SIZE,
+ ab, ab_bus);
+ }
+}
+
#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
#define cond_le32_to_cpu(v) \
(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)
ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
if (ohci == NULL) {
- fw_error("Could not malloc fw_ohci data.\n");
- return -ENOMEM;
+ err = -ENOMEM;
+ goto fail;
}
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)
err = pci_enable_device(dev);
if (err) {
- fw_error("Failed to enable OHCI hardware.\n");
+ fw_error("Failed to enable OHCI hardware\n");
goto fail_free;
}
@@ -2427,9 +2443,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) {
- fw_error("Out of memory for it/ir contexts.\n");
err = -ENOMEM;
- goto fail_registers;
+ goto fail_contexts;
}
/* self-id dma buffer allocation */
@@ -2438,9 +2453,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
&ohci->self_id_bus,
GFP_KERNEL);
if (ohci->self_id_cpu == NULL) {
- fw_error("Out of memory for self ID buffer.\n");
err = -ENOMEM;
- goto fail_registers;
+ goto fail_contexts;
}
bus_options = reg_read(ohci, OHCI1394_BusOptions);
@@ -2454,15 +2468,19 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
goto fail_self_id;
fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n",
- dev->dev.bus_id, version >> 16, version & 0xff);
+ dev_name(&dev->dev), version >> 16, version & 0xff);
return 0;
fail_self_id:
dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE,
ohci->self_id_cpu, ohci->self_id_bus);
- fail_registers:
- kfree(ohci->it_context_list);
+ fail_contexts:
kfree(ohci->ir_context_list);
+ kfree(ohci->it_context_list);
+ context_release(&ohci->at_response_ctx);
+ context_release(&ohci->at_request_ctx);
+ ar_context_release(&ohci->ar_response_ctx);
+ ar_context_release(&ohci->ar_request_ctx);
pci_iounmap(dev, ohci->registers);
fail_iomem:
pci_release_region(dev, 0);
@@ -2471,6 +2489,9 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
fail_free:
kfree(&ohci->card);
ohci_pmac_off(dev);
+ fail:
+ if (err == -ENOMEM)
+ fw_error("Out of memory\n");
return err;
}
@@ -2491,8 +2512,19 @@ static void pci_remove(struct pci_dev *dev)
software_reset(ohci);
free_irq(dev->irq, ohci);
+
+ if (ohci->next_config_rom && ohci->next_config_rom != ohci->config_rom)
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ ohci->next_config_rom, ohci->next_config_rom_bus);
+ if (ohci->config_rom)
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ ohci->config_rom, ohci->config_rom_bus);
dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE,
ohci->self_id_cpu, ohci->self_id_bus);
+ ar_context_release(&ohci->ar_request_ctx);
+ ar_context_release(&ohci->ar_response_ctx);
+ context_release(&ohci->at_request_ctx);
+ context_release(&ohci->at_response_ctx);
kfree(ohci->it_context_list);
kfree(ohci->ir_context_list);
pci_iounmap(dev, ohci->registers);