diff options
author | Finn Thain <fthain@telegraphics.com.au> | 2016-01-03 06:05:25 +0100 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-01-07 03:42:56 +0100 |
commit | ff3d4578840fd96a50558edf02ca0178b9ebb652 (patch) | |
tree | 4ee34f3341f2eb092e95cc0bb728865675939423 /drivers/scsi/atari_NCR5380.c | |
parent | ncr5380: Always retry arbitration and selection (diff) | |
download | linux-ff3d4578840fd96a50558edf02ca0178b9ebb652.tar.xz linux-ff3d4578840fd96a50558edf02ca0178b9ebb652.zip |
ncr5380: Implement NCR5380_dma_xfer_len and remove LIMIT_TRANSFERSIZE macro
Follow the example of the atari_NCR5380.c core driver and adopt the
NCR5380_dma_xfer_len() hook. Implement NCR5380_dma_xfer_len() for dtc.c
and g_NCR5380.c to take care of the limitations of these cards. Keep the
default for drivers using PSEUDO_DMA.
Eliminate the unused macro LIMIT_TRANSFERSIZE.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/atari_NCR5380.c')
-rw-r--r-- | drivers/scsi/atari_NCR5380.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index 64ee92090de3..59b378057198 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -2170,11 +2170,13 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) */ #if defined(REAL_DMA) - if ( #if !defined(CONFIG_SUN3) - !cmd->device->borken && + transfersize = 0; + if (!cmd->device->borken) #endif - (transfersize = NCR5380_dma_xfer_len(instance, cmd, phase)) >= DMA_MIN_SIZE) { + transfersize = NCR5380_dma_xfer_len(instance, cmd, phase); + + if (transfersize >= DMA_MIN_SIZE) { len = transfersize; cmd->SCp.phase = phase; if (NCR5380_transfer_dma(instance, &phase, |