diff --git a/[refs] b/[refs]
index 2767c014c2cb..811c6a91b998 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aaeab80bdbc0d10a98adc6fa76c29ca2f1816553
+refs/heads/master: f29219f17ae46cc182123bc7d2089b69869935ae
diff --git a/trunk/drivers/serial/8250_pnp.c b/trunk/drivers/serial/8250_pnp.c
index 71d907c8288b..d3d6b82706b5 100644
--- a/trunk/drivers/serial/8250_pnp.c
+++ b/trunk/drivers/serial/8250_pnp.c
@@ -464,11 +464,38 @@ static void __devexit serial_pnp_remove(struct pnp_dev *dev)
 		serial8250_unregister_port(line - 1);
 }
 
+#ifdef CONFIG_PM
+static int serial_pnp_suspend(struct pnp_dev *dev, pm_message_t state)
+{
+	long line = (long)pnp_get_drvdata(dev);
+
+	if (!line)
+		return -ENODEV;
+	serial8250_suspend_port(line - 1);
+	return 0;
+}
+
+static int serial_pnp_resume(struct pnp_dev *dev)
+{
+	long line = (long)pnp_get_drvdata(dev);
+
+	if (!line)
+		return -ENODEV;
+	serial8250_resume_port(line - 1);
+	return 0;
+}
+#else
+#define serial_pnp_suspend NULL
+#define serial_pnp_resume NULL
+#endif /* CONFIG_PM */
+
 static struct pnp_driver serial_pnp_driver = {
 	.name		= "serial",
-	.id_table	= pnp_dev_table,
 	.probe		= serial_pnp_probe,
 	.remove		= __devexit_p(serial_pnp_remove),
+	.suspend	= serial_pnp_suspend,
+	.resume		= serial_pnp_resume,
+	.id_table	= pnp_dev_table,
 };
 
 static int __init serial8250_pnp_init(void)