static void
lqasc_release_port(struct uart_port *port)
{
+ struct platform_device *pdev = to_platform_device(port->dev);
+
if (port->flags & UPF_IOREMAP) {
- iounmap(port->membase);
+ devm_iounmap(&pdev->dev, port->membase);
port->membase = NULL;
}
}