+}
+
+static irqreturn_t s3c24xx_serial_rx_chars_pio(void *dev_id)
+{
+ struct s3c24xx_uart_port *ourport = dev_id;
+ struct uart_port *port = &ourport->port;
+ unsigned long flags;
+
+ spin_lock_irqsave(&port->lock, flags);
+ s3c24xx_serial_rx_drain_fifo(ourport);
+ spin_unlock_irqrestore(&port->lock, flags);