From 97ac01d8f1b8d1c9e5af32c2813ba771835961f9 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Fri, 18 Mar 2011 12:44:17 +0100
Subject: [PATCH] usb: wwan: fix compilation without CONFIG_PM_RUNTIME

The pm usage counter must be accessed with the proper wrappers
to allow compilation under all configurations.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/usb_wwan.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index a65ddd543869..e4fad5e643d7 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -698,8 +698,7 @@ static void play_delayed(struct usb_serial_port *port)
 			/* we have to throw away the rest */
 			do {
 				unbusy_queued_urb(urb, portdata);
-				//extremely dirty
-				atomic_dec(&port->serial->interface->dev.power.usage_count);
+				usb_autopm_put_interface_no_suspend(port->serial->interface);
 			} while ((urb = usb_get_from_anchor(&portdata->delayed)));
 			break;
 		}