return ret;
}
+/*
+ * Even if the driver is not modular, it makes sense to be able to
+ * unbind a device: there can be many bound devices, and there are
+ * situations where dynamic binding and unbinding can be useful.
+ *
+ * For example, a connected device can require a specific firmware update
+ * protocol that needs bitbanging on IO lines, but use the regular serial
+ * port in the normal case.
+ */
+static int atmel_serial_remove(struct platform_device *pdev)
+{
+ struct uart_port *port = platform_get_drvdata(pdev);
+ struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+ int ret = 0;
+
+ tasklet_kill(&atmel_port->tasklet);
+
+ device_init_wakeup(&pdev->dev, 0);
+
+ ret = uart_remove_one_port(&atmel_uart, port);
+
+ kfree(atmel_port->rx_ring.buf);
+
+ /* "port" is allocated statically, so we shouldn't free it */
+
+ clear_bit(port->line, atmel_ports_in_use);
+
+ clk_put(atmel_port->clk);
+ atmel_port->clk = NULL;
+
+ return ret;
+}
+
static struct platform_driver atmel_serial_driver = {
.probe = atmel_serial_probe,
+ .remove = atmel_serial_remove,
.suspend = atmel_serial_suspend,
.resume = atmel_serial_resume,
.driver = {
.name = "atmel_usart",
.of_match_table = of_match_ptr(atmel_serial_dt_ids),
- .suppress_bind_attrs = true,
},
};