diff --git a/drivers/power/supply/bq27xxx_battery_hdq.c b/drivers/power/supply/bq27xxx_battery_hdq.c
index 29771967df2e..d56b3e19e996 100644
--- a/drivers/power/supply/bq27xxx_battery_hdq.c
+++ b/drivers/power/supply/bq27xxx_battery_hdq.c
@@ -104,7 +104,7 @@ static void bq27xxx_battery_hdq_remove_slave(struct w1_slave *sl)
 	bq27xxx_battery_teardown(di);
 }
 
-static struct w1_family_ops bq27xxx_battery_hdq_fops = {
+static const struct w1_family_ops bq27xxx_battery_hdq_fops = {
 	.add_slave	= bq27xxx_battery_hdq_add_slave,
 	.remove_slave	= bq27xxx_battery_hdq_remove_slave,
 };
diff --git a/drivers/power/supply/ds2760_battery.c b/drivers/power/supply/ds2760_battery.c
index 11bed88a89fa..695bb6747400 100644
--- a/drivers/power/supply/ds2760_battery.c
+++ b/drivers/power/supply/ds2760_battery.c
@@ -795,7 +795,7 @@ static const struct of_device_id w1_ds2760_of_ids[] = {
 };
 #endif
 
-static struct w1_family_ops w1_ds2760_fops = {
+static const struct w1_family_ops w1_ds2760_fops = {
 	.add_slave	= w1_ds2760_add_slave,
 	.remove_slave	= w1_ds2760_remove_slave,
 	.groups		= w1_ds2760_groups,
diff --git a/drivers/power/supply/max1721x_battery.c b/drivers/power/supply/max1721x_battery.c
index 9ca895b0dabb..1b1a36f8e929 100644
--- a/drivers/power/supply/max1721x_battery.c
+++ b/drivers/power/supply/max1721x_battery.c
@@ -431,7 +431,7 @@ static int devm_w1_max1721x_add_device(struct w1_slave *sl)
 	return 0;
 }
 
-static struct w1_family_ops w1_max1721x_fops = {
+static const struct w1_family_ops w1_max1721x_fops = {
 	.add_slave = devm_w1_max1721x_add_device,
 };