diff --git a/[refs] b/[refs]
index fa6c457e445f..c73311a1ed19 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a85b4e7f4481c5a1ca89fa63c9c871151965075e
+refs/heads/master: abf03184a31a3286fc0ab30f838ddee8ba9f9b7b
diff --git a/trunk/drivers/usb/serial/usb-serial.c b/trunk/drivers/usb/serial/usb-serial.c
index 861223f2af6e..6954de50c0ff 100644
--- a/trunk/drivers/usb/serial/usb-serial.c
+++ b/trunk/drivers/usb/serial/usb-serial.c
@@ -51,6 +51,7 @@ static struct usb_driver usb_serial_driver = {
 	.suspend =	usb_serial_suspend,
 	.resume =	usb_serial_resume,
 	.no_dynamic_id = 	1,
+	.supports_autosuspend =	1,
 };
 
 /* There is no MODULE_DEVICE_TABLE for usbserial.c.  Instead
@@ -1343,6 +1344,8 @@ int usb_serial_register(struct usb_serial_driver *driver)
 		return -ENODEV;
 
 	fixup_generic(driver);
+	if (driver->usb_driver)
+		driver->usb_driver->supports_autosuspend = 1;
 
 	if (!driver->description)
 		driver->description = driver->driver.name;