Function uart_rpmsg_raw_init

drivers/serial/uart_rpmsg_raw.c:326–378

 ****************************************************************************/

int uart_rpmsg_raw_init(FAR const char *cpuname, FAR const char *devname,
                        int buf_size, bool isconsole)
{
  FAR struct uart_rpmsg_priv_s *priv;
  FAR struct uart_dev_s *dev;
  char name[32];
  int ret;

  dev = kmm_zalloc(sizeof(struct uart_dev_s) +
                   sizeof(struct uart_rpmsg_priv_s) +
                   buf_size * 2);
  if (dev == NULL)
    {
      return -ENOMEM;
    }

  dev->ops         = &g_uart_rpmsg_ops;
  dev->isconsole   = isconsole;
  dev->recv.size   = buf_size;
  dev->xmit.size   = buf_size;
  dev->priv        = dev + 1;
  dev->recv.buffer = (FAR char *)dev->priv +
                     sizeof(struct uart_rpmsg_priv_s);
  dev->xmit.buffer = dev->recv.buffer + buf_size;
  priv             = dev->priv;
  priv->cpuname    = cpuname;
  priv->devname    = devname;

  nxmutex_init(&priv->lock);

  ret = rpmsg_register_callback(dev,
                                uart_rpmsg_raw_device_created,
                                uart_rpmsg_raw_device_destroy,
                                NULL,
                                NULL);
  if (ret < 0)
    {
      nxmutex_destroy(&priv->lock);
      kmm_free(dev);
      return ret;
    }

  snprintf(name, sizeof(name), "%s%s",
           UART_RPMSG_DEV_PREFIX, devname);
  uart_register(name, dev);

  if (dev->isconsole)
    {
      uart_register(UART_RPMSG_DEV_CONSOLE, dev);
    }

  return 0;
}