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authorIngo Molnar <mingo@elte.hu>2008-12-16 22:53:53 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-16 22:53:53 +0100
commitc15cb37cc4e9809624411333b96109ddf770e29c (patch)
tree3d4dbb48d97d5df9096ad815b99b20660cdc1bbf /drivers/firewire/fw-ohci.c
parent77be80e437fec44f8b7a620314b7d7b605b8d93b (diff)
parent8b1fae4e4200388b64dd88065639413cb3f1051c (diff)
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Merge commit 'v2.6.28-rc8' into x86/uv
Diffstat (limited to 'drivers/firewire/fw-ohci.c')
-rw-r--r--drivers/firewire/fw-ohci.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 46610b09041..ab9c01e462e 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -974,6 +974,7 @@ at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
packet->ack = RCODE_SEND_ERROR;
return -1;
}
+ packet->payload_bus = payload_bus;
d[2].req_count = cpu_to_le16(packet->payload_length);
d[2].data_address = cpu_to_le32(payload_bus);
@@ -1025,7 +1026,6 @@ static int handle_at_packet(struct context *context,
struct driver_data *driver_data;
struct fw_packet *packet;
struct fw_ohci *ohci = context->ohci;
- dma_addr_t payload_bus;
int evt;
if (last->transfer_status == 0)
@@ -1038,9 +1038,8 @@ static int handle_at_packet(struct context *context,
/* This packet was cancelled, just continue. */
return 1;
- payload_bus = le32_to_cpu(last->data_address);
- if (payload_bus != 0)
- dma_unmap_single(ohci->card.device, payload_bus,
+ if (packet->payload_bus)
+ dma_unmap_single(ohci->card.device, packet->payload_bus,
packet->payload_length, DMA_TO_DEVICE);
evt = le16_to_cpu(last->transfer_status) & 0x1f;
@@ -1697,6 +1696,10 @@ static int ohci_cancel_packet(struct fw_card *card, struct fw_packet *packet)
if (packet->ack != 0)
goto out;
+ if (packet->payload_bus)
+ dma_unmap_single(ohci->card.device, packet->payload_bus,
+ packet->payload_length, DMA_TO_DEVICE);
+
log_ar_at_event('T', packet->speed, packet->header, 0x20);
driver_data->packet = NULL;
packet->ack = RCODE_CANCELLED;