static int serial8250_suspend(struct device *dev, pm_message_t state, u32 level)
static int serial8250_suspend(struct device *dev, pm_message_t state)
static int serial8250_suspend(struct device *dev, pm_message_t state, u32 level){	int i;	if (level != SUSPEND_DISABLE)		return 0;	for (i = 0; i < UART_NR; i++) {		struct uart_8250_port *up = &serial8250_ports[i];		if (up->port.type != PORT_UNKNOWN && up->port.dev == dev)			uart_suspend_port(&serial8250_reg, &up->port);	}	return 0;}