X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Fwd7000.c;h=c975c01b3a02431000f071116f3b40caffd4f3f8;hb=af55ff675a8461da6a632320710b050af4366e0c;hp=03cd44f231dff37f64024f48483afd99d2c49818;hpb=6d435365dd49ac5f7fe6f0e757e942875b1d1550;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c
index 03cd44f231d..c975c01b3a0 100644
--- a/drivers/scsi/wd7000.c
+++ b/drivers/scsi/wd7000.c
@@ -1108,13 +1108,10 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt,
 	scb->host = host;
 
 	nseg = scsi_sg_count(SCpnt);
-	if (nseg) {
+	if (nseg > 1) {
 		struct scatterlist *sg;
 		unsigned i;
 
-		if (SCpnt->device->host->sg_tablesize == SG_NONE) {
-			panic("wd7000_queuecommand: scatter/gather not supported.\n");
-		}
 		dprintk("Using scatter/gather with %d elements.\n", nseg);
 
 		sgb = scb->sgb;
@@ -1128,7 +1125,10 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt,
 		}
 	} else {
 		scb->op = 0;
-		any2scsi(scb->dataptr, isa_virt_to_bus(scsi_sglist(SCpnt)));
+		if (nseg) {
+			struct scatterlist *sg = scsi_sglist(SCpnt);
+			any2scsi(scb->dataptr, isa_page_to_bus(sg_page(sg)) + sg->offset);
+		}
 		any2scsi(scb->maxlen, scsi_bufflen(SCpnt));
 	}
 
@@ -1524,7 +1524,7 @@ static __init int wd7000_detect(struct scsi_host_template *tpnt)
 				 *  For boards before rev 6.0, scatter/gather isn't supported.
 				 */
 				if (host->rev1 < 6)
-					sh->sg_tablesize = SG_NONE;
+					sh->sg_tablesize = 1;
 
 				present++;	/* count it */
 
@@ -1671,7 +1671,6 @@ static struct scsi_host_template driver_template = {
 	.cmd_per_lun		= 1,
 	.unchecked_isa_dma	= 1,
 	.use_clustering		= ENABLE_CLUSTERING,
-	.use_sg_chaining	= ENABLE_SG_CHAINING,
 };
 
 #include "scsi_module.c"