diff options
Diffstat (limited to 'drivers/scsi/atari_NCR5380.c')
| -rw-r--r-- | drivers/scsi/atari_NCR5380.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index c669098e34e1..4101d2de4333 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -1857,12 +1857,11 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) d = cmd->SCp.ptr; } /* this command setup for dma yet? */ - if ((count >= DMA_MIN_SIZE) && (sun3_dma_setup_done != cmd)) { - if (cmd->request->cmd_type == REQ_TYPE_FS) { - sun3scsi_dma_setup(instance, d, count, - rq_data_dir(cmd->request)); - sun3_dma_setup_done = cmd; - } + if (sun3_dma_setup_done != cmd && + sun3scsi_dma_xfer_len(count, cmd) > 0) { + sun3scsi_dma_setup(instance, d, count, + rq_data_dir(cmd->request)); + sun3_dma_setup_done = cmd; } #ifdef SUN3_SCSI_VME dregs->csr |= CSR_INTR; @@ -1927,7 +1926,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) #endif transfersize = NCR5380_dma_xfer_len(instance, cmd, phase); - if (transfersize >= DMA_MIN_SIZE) { + if (transfersize > 0) { len = transfersize; cmd->SCp.phase = phase; if (NCR5380_transfer_dma(instance, &phase, @@ -2366,7 +2365,8 @@ static void NCR5380_reselect(struct Scsi_Host *instance) d = tmp->SCp.ptr; } /* setup this command for dma if not already */ - if ((count >= DMA_MIN_SIZE) && (sun3_dma_setup_done != tmp)) { + if (sun3_dma_setup_done != tmp && + sun3scsi_dma_xfer_len(count, tmp) > 0) { sun3scsi_dma_setup(instance, d, count, rq_data_dir(tmp->request)); sun3_dma_setup_done = tmp; |