diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index c2f9d95d1086..fe0926ce0068 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -1186,15 +1186,18 @@ static long linereq_set_config_unlocked(struct linereq *lr,
 	for (i = 0; i < lr->num_lines; i++) {
 		desc = lr->lines[i].desc;
 		flags = gpio_v2_line_config_flags(lc, i);
+		/*
+		 * Lines not explicitly reconfigured as input or output
+		 * are left unchanged.
+		 */
+		if (!(flags & GPIO_V2_LINE_DIRECTION_FLAGS))
+			continue;
+
 		polarity_change =
 			(!!test_bit(FLAG_ACTIVE_LOW, &desc->flags) !=
 			 ((flags & GPIO_V2_LINE_FLAG_ACTIVE_LOW) != 0));
 
 		gpio_v2_line_config_flags_to_desc_flags(flags, &desc->flags);
-		/*
-		 * Lines have to be requested explicitly for input
-		 * or output, else the line will be treated "as is".
-		 */
 		if (flags & GPIO_V2_LINE_FLAG_OUTPUT) {
 			int val = gpio_v2_line_config_output_value(lc, i);
 
@@ -1202,7 +1205,7 @@ static long linereq_set_config_unlocked(struct linereq *lr,
 			ret = gpiod_direction_output(desc, val);
 			if (ret)
 				return ret;
-		} else if (flags & GPIO_V2_LINE_FLAG_INPUT) {
+		} else {
 			ret = gpiod_direction_input(desc);
 			if (ret)
 				return ret;