diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index 20f6457..d59f7ca 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -74,7 +74,7 @@
 	NULL
 };
 
-static struct sysfs_ops memmap_attr_ops = {
+static const struct sysfs_ops memmap_attr_ops = {
 	.show = memmap_attr_show,
 };