tty/serial/sunplus-uart.c

529 	struct sunplus_uart_port *sup;
538 	sup = sunplus_console_ports[co->index];
539 	if (!sup)
545 	return uart_set_options(&sup->port, co, baud, parity, bits, flow);
586 	struct sunplus_uart_port *sup;
596 	sup = devm_kzalloc(&pdev->dev, sizeof(*sup), GFP_KERNEL);
597 	if (!sup)
600 	sup->clk = devm_clk_get_optional(&pdev->dev, NULL);
601 	if (IS_ERR(sup->clk))
602 		return dev_err_probe(&pdev->dev, PTR_ERR(sup->clk), "clk not found\n");
604 	ret = clk_prepare_enable(sup->clk);
608 	ret = devm_add_action_or_reset(&pdev->dev, sunplus_uart_disable_unprepare, sup->clk);
612 	sup->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
613 	if (IS_ERR(sup->rstc))
614 		return dev_err_probe(&pdev->dev, PTR_ERR(sup->rstc), "rstc not found\n");
616 	port = &sup->port;
627 	port->uartclk = clk_get_rate(sup->clk);
636 	ret = reset_control_deassert(sup->rstc);
640 	ret = devm_add_action_or_reset(&pdev->dev, sunplus_uart_reset_control_assert, sup->rstc);
645 	sunplus_console_ports[sup->port.line] = sup;
648 	platform_set_drvdata(pdev, &sup->port);
650 	ret = uart_add_one_port(&sunplus_uart_driver, &sup->port);
653 		sunplus_console_ports[sup->port.line] = NULL;
661 	struct sunplus_uart_port *sup = platform_get_drvdata(pdev);
663 	uart_remove_one_port(&sunplus_uart_driver, &sup->port);
668 	struct sunplus_uart_port *sup = dev_get_drvdata(dev);
670 	if (!uart_console(&sup->port))
671 		uart_suspend_port(&sunplus_uart_driver, &sup->port);
678 	struct sunplus_uart_port *sup = dev_get_drvdata(dev);
680 	if (!uart_console(&sup->port))
681 		uart_resume_port(&sunplus_uart_driver, &sup->port);