4 files changed, 24 insertions, 4 deletions

diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 68103e508db7..88e061d13d0b 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);
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index f38822db4210..841e1bb27d57 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -203,7 +203,7 @@ struct NCR_700_Host_Parameters {
         __u32   force_le_on_be:1;
 #endif
         __u32   chip710:1;      /* set if really a 710 not 700 */
-        __u32   burst_disable:1;        /* set to 1 to disable 710 bursting */
+        __u32   burst_length:4; /* set to 0 to disable 710 bursting */
 
         /* NOTHING BELOW HERE NEEDS ALTERING */
         __u32   fast:1;         /* if we can alter the SCSI bus clock
diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c
index f0871c3ac3d9..2aae1b081fcf 100644
--- a/drivers/scsi/lasi700.c
+++ b/drivers/scsi/lasi700.c
@@ -123,6 +123,7 @@ lasi700_probe(struct parisc_device *dev)
                 hostdata->force_le_on_be = 0;
                 hostdata->chip710 = 1;
                 hostdata->dmode_extra = DMODE_FC2;
+                hostdata->burst_length = 8;
         }
 
         host = NCR_700_detect(&lasi700_template, hostdata, &dev->dev);
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index 551baccec523..018c65f73ac4 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -123,6 +123,7 @@ sim710_probe_common(struct device *dev, unsigned long base_addr,
         hostdata->differential = differential;
         hostdata->clock = clock;
         hostdata->chip710 = 1;
+        hostdata->burst_length = 8;
 
         /* and register the chip */
         if((host = NCR_700_detect(&sim710_driver_template, hostdata, dev))