diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c
index 8866530..1a56d6c 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -238,7 +238,7 @@
 	.ordered_flush		= 1,
 };
 
-static struct ata_port_operations nv_ops = {
+static const struct ata_port_operations nv_ops = {
 	.port_disable		= ata_port_disable,
 	.tf_load		= ata_tf_load,
 	.tf_read		= ata_tf_read,