diff options
Diffstat (limited to 'drivers/scsi/mac_scsi.c')
| -rw-r--r-- | drivers/scsi/mac_scsi.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index bb2381314a2b..a8f5433b515e 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -37,7 +37,9 @@ #define NCR5380_pread macscsi_pread #define NCR5380_pwrite macscsi_pwrite -#define NCR5380_dma_xfer_len(instance, cmd, phase) (cmd->transfersize) + +#define NCR5380_dma_xfer_len(instance, cmd, phase) \ + macscsi_dma_xfer_len(instance, cmd) #define NCR5380_intr macscsi_intr #define NCR5380_queue_command macscsi_queue_command @@ -303,6 +305,17 @@ static int macscsi_pwrite(struct Scsi_Host *instance, } #endif +static int macscsi_dma_xfer_len(struct Scsi_Host *instance, + struct scsi_cmnd *cmd) +{ + struct NCR5380_hostdata *hostdata = shost_priv(instance); + + if (hostdata->flags & FLAG_NO_PSEUDO_DMA) + return 0; + + return cmd->transfersize; +} + #include "NCR5380.c" #define DRV_MODULE_NAME "mac_scsi" |