/* Init irq param with the given sercom hardware instance.  */
static void _sercom_init_irq_param(const void *const hw, void *dev)
/* Init irq param with the given sercom hardware instance.  */
static void _sercom_init_irq_param(const void *const hw, void *dev)
{
	if (hw == SERCOM2) {
		_sercom2_dev = (struct _usart_async_device *)dev;
	}
}