diff --git a/drivers/mfd/atc260x-core.c b/drivers/mfd/atc260x-core.c
index 7148ff5b05b1..7c5de3ae776e 100644
--- a/drivers/mfd/atc260x-core.c
+++ b/drivers/mfd/atc260x-core.c
@@ -100,8 +100,7 @@ static const struct regmap_irq_chip atc2603c_regmap_irq_chip = {
 	.num_irqs = ARRAY_SIZE(atc2603c_regmap_irqs),
 	.num_regs = 1,
 	.status_base = ATC2603C_INTS_PD,
-	.mask_base = ATC2603C_INTS_MSK,
-	.mask_invert = true,
+	.unmask_base = ATC2603C_INTS_MSK,
 };
 
 static const struct regmap_irq_chip atc2609a_regmap_irq_chip = {
@@ -110,8 +109,7 @@ static const struct regmap_irq_chip atc2609a_regmap_irq_chip = {
 	.num_irqs = ARRAY_SIZE(atc2609a_regmap_irqs),
 	.num_regs = 1,
 	.status_base = ATC2609A_INTS_PD,
-	.mask_base = ATC2609A_INTS_MSK,
-	.mask_invert = true,
+	.unmask_base = ATC2609A_INTS_MSK,
 };
 
 static const struct resource atc2603c_onkey_resources[] = {