diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index e4cd85e1ea5b..78d7858c4404 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -790,7 +790,7 @@ static int NCR5380_init(struct Scsi_Host *instance, int flags)
 
 #ifdef NCR53C400
 	if (flags & FLAG_NCR53C400)
-		instance->NCR5380_instance_name += NCR53C400_address_adjust;
+		instance->io_port += NCR53C400_address_adjust;
 #endif
 
 	hostdata->aborted = 0;
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index 21f8236df48f..4559fbc7f342 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -412,10 +412,11 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt)
 			continue;
 		}
 
-		instance->NCR5380_instance_name = overrides[current_override].NCR5380_map_name;
 #ifndef SCSI_G_NCR5380_MEM
+		instance->io_port = overrides[current_override].NCR5380_map_name;
 		instance->n_io_port = region_size;
 #else
+		instance->base = overrides[current_override].NCR5380_map_name;
 		((struct NCR5380_hostdata *)instance->hostdata)->iomem = iomem;
 #endif
 
@@ -464,10 +465,10 @@ static int generic_NCR5380_release_resources(struct Scsi_Host *instance)
 	NCR5380_exit(instance);
 
 #ifndef SCSI_G_NCR5380_MEM
-	release_region(instance->NCR5380_instance_name, instance->n_io_port);
+	release_region(instance->io_port, instance->n_io_port);
 #else
 	iounmap(((struct NCR5380_hostdata *)instance->hostdata)->iomem);
-	release_mem_region(instance->NCR5380_instance_name, NCR5380_region_size);
+	release_mem_region(instance->base, NCR5380_region_size);
 #endif
 
 
diff --git a/drivers/scsi/g_NCR5380.h b/drivers/scsi/g_NCR5380.h
index 883c003394cf..c2d072aabd31 100644
--- a/drivers/scsi/g_NCR5380.h
+++ b/drivers/scsi/g_NCR5380.h
@@ -36,7 +36,6 @@
 
 #define NCR5380_map_type int
 #define NCR5380_map_name port
-#define NCR5380_instance_name io_port
 #define NCR53C400_register_offset 0
 #define NCR53C400_address_adjust 8
 
@@ -58,7 +57,6 @@
 
 #define NCR5380_map_type unsigned long
 #define NCR5380_map_name base
-#define NCR5380_instance_name base
 #define NCR53C400_register_offset 0x108
 #define NCR53C400_address_adjust 0
 #define NCR53C400_mem_base 0x3880