[PATCH 3/4] g_NCR5380: Limit sg_tablesize to avoid PDMA read overruns on DTC436

[Finn Thain]

Back-to-back DMA receive transfers can lose a byte due to a 5380
flaw. This makes scatter-receive difficult or impossible on affected
hardware, so limit the scatter/gather tablesize to 1.

Signed-off-by: Finn Thain <fth...@telegraphics.com.au>
---
 drivers/scsi/g_NCR5380.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index 1e1cf7ca86fa..784913193ea5 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -247,6 +247,7 @@ static int generic_NCR5380_init_one(struct 
scsi_host_template *tpnt,
        case BOARD_DTC3181E:
                ports = dtc_3181e_ports;
                magic = ncr_53c400a_magic;
+               tpnt->sg_tablesize = 1;
                break;
        }
 
-- 
2.13.0