/* Check whether the device path node is ISA Serial Node. */
BOOLEAN IsIsaSerialNode(IN ACPI_HID_DEVICE_PATH *Acpi)
/* Check whether the device path node is ISA Serial Node. */
BOOLEAN IsIsaSerialNode(IN ACPI_HID_DEVICE_PATH *Acpi)
{
  return (BOOLEAN)(
                   (DevicePathType (Acpi) == ACPI_DEVICE_PATH) &&
                   (DevicePathSubType (Acpi) == ACPI_DP) &&
                   (ReadUnaligned32 (&Acpi->HID) == EISA_PNP_ID (0x0501))
                   );
}