aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/53c700.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/53c700.c')
-rw-r--r--drivers/scsi/53c700.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 68103e508db..88e061d13d0 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -667,12 +667,30 @@ NCR_700_chip_setup(struct Scsi_Host *host)
__u8 min_xferp = (hostdata->chip710 ? NCR_710_MIN_XFERP : NCR_700_MIN_XFERP);
if(hostdata->chip710) {
- __u8 burst_disable = hostdata->burst_disable
- ? BURST_DISABLE : 0;
+ __u8 burst_disable = 0;
+ __u8 burst_length = 0;
+
+ switch (hostdata->burst_length) {
+ case 1:
+ burst_length = BURST_LENGTH_1;
+ break;
+ case 2:
+ burst_length = BURST_LENGTH_2;
+ break;
+ case 4:
+ burst_length = BURST_LENGTH_4;
+ break;
+ case 8:
+ burst_length = BURST_LENGTH_8;
+ break;
+ default:
+ burst_disable = BURST_DISABLE;
+ break;
+ }
dcntl_extra = COMPAT_700_MODE;
NCR_700_writeb(dcntl_extra, host, DCNTL_REG);
- NCR_700_writeb(BURST_LENGTH_8 | hostdata->dmode_extra,
+ NCR_700_writeb(burst_length | hostdata->dmode_extra,
host, DMODE_710_REG);
NCR_700_writeb(burst_disable | (hostdata->differential ?
DIFF : 0), host, CTEST7_REG);