470 	struct stm32_port *stm32port = container_of(port,  in stm32_pm()  local
476 		clk_prepare_enable(stm32port->clk);  in stm32_pm()
482 		clk_disable_unprepare(stm32port->clk);  in stm32_pm()
508 static int stm32_init_port(struct stm32_port *stm32port,  in stm32_init_port()  argument
511 	struct uart_port *port = &stm32port->port;  in stm32_init_port()
529 	stm32port->clk = devm_clk_get(&pdev->dev, NULL);  in stm32_init_port()
530 	if (IS_ERR(stm32port->clk))  in stm32_init_port()
531 		return PTR_ERR(stm32port->clk);  in stm32_init_port()
534 	ret = clk_prepare_enable(stm32port->clk);  in stm32_init_port()
538 	stm32port->port.uartclk = clk_get_rate(stm32port->clk);  in stm32_init_port()
539 	if (!stm32port->port.uartclk)  in stm32_init_port()
542 	clk_disable_unprepare(stm32port->clk);  in stm32_init_port()
581 	struct stm32_port *stm32port;  in stm32_serial_probe()  local
583 	stm32port = stm32_of_get_stm32_port(pdev);  in stm32_serial_probe()
584 	if (!stm32port)  in stm32_serial_probe()
587 	ret = stm32_init_port(stm32port, pdev);  in stm32_serial_probe()
591 	ret = uart_add_one_port(&stm32_usart_driver, &stm32port->port);  in stm32_serial_probe()
595 	platform_set_drvdata(pdev, &stm32port->port);  in stm32_serial_probe()
649 	struct stm32_port *stm32port;  in stm32_console_setup()  local
658 	stm32port = &stm32_ports[co->index];  in stm32_console_setup()
666 	if (stm32port->port.mapbase == 0 || stm32port->port.membase == NULL)  in stm32_console_setup()
672 	return uart_set_options(&stm32port->port, co, baud, parity, bits, flow);  in stm32_console_setup()