/* Retrieve ordinal number of the given USART hardware instance.  */
uint8_t _usart_async_get_hardware_index(const struct _usart_async_device *const device)
/* Retrieve ordinal number of the given USART hardware instance.  */
uint8_t _usart_async_get_hardware_index(const struct _usart_async_device *const device)
{
	ASSERT(device);
	return _usart_get_hardware_index(device->hw);
}