diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index b24513ec3fae1886208c8590181573a241a2ed85..8308569f66e0ea6704c22b0a3b7d2d795f0e17d8 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1721,6 +1721,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
 	if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids))
 		return false;
 
+	/*
+	 * Firmware on some arm64 X-Gene platforms will make the UART
+	 * device appear as both a UART and a slave of that UART. Just
+	 * bail out here for X-Gene UARTs.
+	 */
+	if (IS_ENABLED(CONFIG_ARM64) &&
+	    !strcmp(acpi_device_hid(device), "APMC0D08"))
+		return false;
+
 	INIT_LIST_HEAD(&resource_list);
 	acpi_dev_get_resources(device, &resource_list,
 			       acpi_check_serial_bus_slave,
