diff options
Diffstat (limited to 'drivers/ieee1394')
| -rw-r--r-- | drivers/ieee1394/sbp2.c | 50 |
1 files changed, 16 insertions, 34 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 1d6ad343553..7a8119e0c91 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -1533,6 +1533,10 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); orb->data_descriptor_lo = cmd->sge_dma; + dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_TO_DEVICE); + /* loop through and fill out our SBP-2 page tables * (and split up anything too large) */ for (i = 0, sg_count = 0; i < count; i++, sg = sg_next(sg)) { @@ -1559,6 +1563,11 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, sbp2util_cpu_to_be32_buffer(sg_element, (sizeof(struct sbp2_unrestricted_page_table)) * sg_count); + + dma_sync_single_for_device(hi->host->device.parent, + cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_TO_DEVICE); } } @@ -1566,12 +1575,14 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, struct sbp2_command_info *cmd, struct scsi_cmnd *SCpnt) { - struct sbp2_fwhost_info *hi = lu->hi; + struct device *dmadev = lu->hi->host->device.parent; struct sbp2_command_orb *orb = &cmd->command_orb; u32 orb_direction; unsigned int scsi_request_bufflen = scsi_bufflen(SCpnt); enum dma_data_direction dma_dir = SCpnt->sc_data_direction; + dma_sync_single_for_cpu(dmadev, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); /* * Set-up our command ORB. * @@ -1603,7 +1614,7 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, orb->data_descriptor_lo = 0x0; orb->misc |= ORB_SET_DIRECTION(1); } else - sbp2_prep_command_orb_sg(orb, hi, cmd, scsi_sg_count(SCpnt), + sbp2_prep_command_orb_sg(orb, lu->hi, cmd, scsi_sg_count(SCpnt), scsi_sglist(SCpnt), orb_direction, dma_dir); @@ -1611,6 +1622,9 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, memset(orb->cdb, 0, sizeof(orb->cdb)); memcpy(orb->cdb, SCpnt->cmnd, SCpnt->cmd_len); + + dma_sync_single_for_device(dmadev, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); } static void sbp2_link_orb_command(struct sbp2_lu *lu, @@ -1624,14 +1638,6 @@ static void sbp2_link_orb_command(struct sbp2_lu *lu, size_t length; unsigned long flags; - dma_sync_single_for_device(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_device(hi->host->device.parent, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); - /* check to see if there are any previous orbs to use */ spin_lock_irqsave(&lu->cmd_orb_lock, flags); last_orb = lu->last_orb; @@ -1789,13 +1795,6 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, else cmd = sbp2util_find_command_for_orb(lu, sb->ORB_offset_lo); if (cmd) { - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); /* Grab SCSI command pointers and check status. */ /* * FIXME: If the src field in the status is 1, the ORB DMA must @@ -1912,7 +1911,6 @@ done: static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) { - struct sbp2_fwhost_info *hi = lu->hi; struct list_head *lh; struct sbp2_command_info *cmd; unsigned long flags; @@ -1921,13 +1919,6 @@ static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) while (!list_empty(&lu->cmd_orb_inuse)) { lh = lu->cmd_orb_inuse.next; cmd = list_entry(lh, struct sbp2_command_info, list); - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); sbp2util_mark_command_completed(lu, cmd); if (cmd->Current_SCpnt) { cmd->Current_SCpnt->result = status << 16; @@ -2049,7 +2040,6 @@ static void sbp2scsi_slave_destroy(struct scsi_device *sdev) static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) { struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; - struct sbp2_fwhost_info *hi = lu->hi; struct sbp2_command_info *cmd; unsigned long flags; @@ -2063,14 +2053,6 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) spin_lock_irqsave(&lu->cmd_orb_lock, flags); cmd = sbp2util_find_command_for_SCpnt(lu, SCpnt); if (cmd) { - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); sbp2util_mark_command_completed(lu, cmd); if (cmd->Current_SCpnt) { cmd->Current_SCpnt->result = DID_ABORT << 16; |