diff --git a/target/linux/realtek/files-6.12/drivers/i2c/busses/i2c-gpio-shared.c b/target/linux/realtek/files-6.12/drivers/i2c/busses/i2c-gpio-shared.c
index e7f817abd7..37930af726 100644
--- a/target/linux/realtek/files-6.12/drivers/i2c/busses/i2c-gpio-shared.c
+++ b/target/linux/realtek/files-6.12/drivers/i2c/busses/i2c-gpio-shared.c
@@ -10,6 +10,8 @@
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
 
+#define GPIO_SHARED_MAX_BUS	4
+
 struct gpio_shared_ctx;
 
 struct gpio_shared_bus {
@@ -20,8 +22,6 @@ struct gpio_shared_bus {
 	struct gpio_shared_ctx *ctx;
 };
 
-#define GPIO_SHARED_MAX_BUS	4
-
 struct gpio_shared_ctx {
 	struct device *dev;
 	struct gpio_desc *scl;
@@ -97,7 +97,7 @@ static int gpio_shared_probe(struct platform_device *pdev)
 	if (IS_ERR(ctx->scl))
 		return dev_err_probe(dev, PTR_ERR(ctx->scl), "shared SCL node not found\n");
 
-	if (device_get_child_node_count(dev) >= GPIO_SHARED_MAX_BUS)
+	if (device_get_child_node_count(dev) > GPIO_SHARED_MAX_BUS)
 		return dev_err_probe(dev, -EINVAL, "Too many channels\n");
 
 	device_for_each_child_node(dev, child) {