static ssize_t imapx200_serial_show_clksrc(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct uart_port *port = imapx200_dev_to_port(dev);
struct imapx200_uart_port *ourport = to_ourport(port);
return snprintf(buf, PAGE_SIZE, "* %s\n", ourport->clksrc->name);
}
static int imapx200_serial_suspend(struct platform_device *dev, pm_message_t state)
{
struct uart_port *port = imapx200_dev_to_port(&dev->dev);
if (port)
uart_suspend_port(&imapx200_uart_drv, port);
return 0;
}
static int imapx200_serial_remove(struct platform_device *dev)
{
struct uart_port *port = imapx200_dev_to_port(&dev->dev);
if (port)
{
device_remove_file(&dev->dev, &dev_attr_clock_source);
uart_remove_one_port(&imapx200_uart_drv, port);
}
return 0;
}
static int imapx200_serial_resume(struct platform_device *dev)
{
struct uart_port *port = imapx200_dev_to_port(&dev->dev);
struct imapx200_uart_port *ourport = to_ourport(port);
if (port)
{
clk_enable(ourport->clk);
imapx200_serial_resetport(port, imapx200_port_to_cfg(port));
clk_disable(ourport->clk);
uart_resume_port(&imapx200_uart_drv, port);
}
return 0;
}
static int imapx200_serial_resume(struct platform_device *dev)
{
struct uart_port *port = imapx200_dev_to_port(&dev->dev);
struct imapx200_uart_port *ourport = to_ourport(port);
if (port)
{
clk_enable(ourport->clk);
imapx200_serial_resetport(port, imapx200_port_to_cfg(port));
clk_disable(ourport->clk);
uart_resume_port(&imapx200_uart_drv, port);
}
if(port->irq == IRQ_UART3) {
printk(KERN_ERR "resume port3: mdelay.\n");
mdelay(20);
}
return 0;
}
