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firewire: Set correct buffer lengths for dualbuffer DMA descriptor.

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Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Kristian Høgsberg 2007-02-16 17:34:45 -05:00 committed by Stefan Richter
parent 9b32d5f307
commit 1e1d196bf5
1 changed files with 3 additions and 4 deletions
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7
drivers/firewire/fw-ohci.c
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@ -1583,10 +1583,7 @@ ohci_queue_iso_receive(struct fw_iso_context *base,
descriptor_branch_always);
db->first_size = cpu_to_le16(ctx->base.header_size);
db->first_req_count = cpu_to_le16(p->header_length);
db->second_req_count = cpu_to_le16(p->payload_length);
db->first_res_count = cpu_to_le16(db->first_req_count);
db->second_res_count = cpu_to_le16(db->second_req_count);
db->first_res_count = db->first_req_count;
db->first_buffer = cpu_to_le32(d_bus + sizeof *db);
if (offset + rest < PAGE_SIZE)
@ -1594,6 +1591,8 @@ ohci_queue_iso_receive(struct fw_iso_context *base,
else
length = PAGE_SIZE - offset;
db->second_req_count = cpu_to_le16(length);
db->second_res_count = db->second_req_count;
page_bus = page_private(buffer->pages[page]);
db->second_buffer = cpu_to_le32(page_bus + offset);