[SCSI] aic7xxx: final fixes for DT handling
The aic7xxx can support Data Group transfers at periods > 12.5, so
eliminate that restriction. Additionally wide is a requirement for DT
so ensure wide is set if users request DT.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index d0d0b84..d79a2ae 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2429,16 +2429,16 @@
unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_DT_REQ;
unsigned int period = tinfo->goal.period;
+ unsigned int width = tinfo->goal.width;
unsigned long flags;
struct ahc_syncrate *syncrate;
if (dt) {
- period = 9; /* 12.5ns is the only period valid for DT */
ppr_options |= MSG_EXT_PPR_DT_REQ;
- } else if (period == 9) {
+ if (!width)
+ ahc_linux_set_width(starget, 1);
+ } else if (period == 9)
period = 10; /* if resetting DT, period must be >= 25ns */
- ppr_options &= ~MSG_EXT_PPR_DT_REQ;
- }
ahc_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);