+ ret = uart_add_one_port(&at91_uart, &port->uart);
+ if (!ret) {
+ device_init_wakeup(&pdev->dev, 1);
+ platform_set_drvdata(pdev, port);
+ }
+
+ return ret;
+}
+
+static int __devexit at91_serial_remove(struct platform_device *pdev)
+{
+ struct uart_port *port = platform_get_drvdata(pdev);
+ struct at91_uart_port *at91_port = (struct at91_uart_port *) port;
+ int ret = 0;
+
+ clk_disable(at91_port->clk);
+ clk_put(at91_port->clk);
+
+ device_init_wakeup(&pdev->dev, 0);
+ platform_set_drvdata(pdev, NULL);
+
+ if (port) {
+ ret = uart_remove_one_port(&at91_uart, port);
+ kfree(port);
+ }
+
+ return ret;
+}
+
+static struct platform_driver at91_serial_driver = {
+ .probe = at91_serial_probe,
+ .remove = __devexit_p(at91_serial_remove),
+ .suspend = at91_serial_suspend,
+ .resume = at91_serial_resume,
+ .driver = {
+ .name = "at91_usart",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init at91_serial_init(void)
+{
+ int ret;
+
+ ret = uart_register_driver(&at91_uart);
+ if (ret)
+ return ret;
+
+ ret = platform_driver_register(&at91_serial_driver);
+ if (ret)
+ uart_unregister_driver(&at91_uart);
+
+ return ret;
+}
+
+static void __exit at91_serial_exit(void)
+{
+ platform_driver_unregister(&at91_serial_driver);