[SCSI] correct the sym2 period setting routines

[pandora-kernel.git] / drivers / scsi / sym53c8xx_2 / sym_glue.c

diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 5ff83d2..5b07c6e 100644 (file)
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -2038,8 +2038,9 @@ static void sym2_set_period(struct scsi_target *starget, int period)
        struct sym_hcb *np = sym_get_hcb(shost);
        struct sym_tcb *tp = &np->target[starget->id];
 
-       /* have to have DT for these transfers */
-       if (period <= np->minsync)
+       /* have to have DT for these transfers, but DT will also
+        * set width, so check that this is allowed */
+       if (period <= np->minsync && spi_width(starget))
                tp->tgoal.dt = 1;
 
        tp->tgoal.period = period;