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-rw-r--r--drivers/scsi/mac_scsi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c
index 8b4b5b1a13d7..ba1afcaadae8 100644
--- a/drivers/scsi/mac_scsi.c
+++ b/drivers/scsi/mac_scsi.c
@@ -52,7 +52,7 @@ static int setup_cmd_per_lun = -1;
module_param(setup_cmd_per_lun, int, 0);
static int setup_sg_tablesize = -1;
module_param(setup_sg_tablesize, int, 0);
-static int setup_use_pdma = -1;
+static int setup_use_pdma = 512;
module_param(setup_use_pdma, int, 0);
static int setup_hostid = -1;
module_param(setup_hostid, int, 0);
@@ -305,7 +305,7 @@ static int macscsi_dma_xfer_len(struct NCR5380_hostdata *hostdata,
struct scsi_cmnd *cmd)
{
if (hostdata->flags & FLAG_NO_PSEUDO_DMA ||
- cmd->SCp.this_residual < 16)
+ cmd->SCp.this_residual < setup_use_pdma)
return 0;
return cmd->SCp.this_residual;