usbcore: move usb_autosuspend_work

This patch (as864) moves the work routine for USB autosuspend from one
source file to another.  This permits the removal of one whole global
symbol (!) and should smooth the way for more changes in the future.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 21 deletions

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 54b42ce311c1..82338f497860 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -211,27 +211,6 @@ static void ksuspend_usb_cleanup(void)
         destroy_workqueue(ksuspend_usb_wq);
 }
 
-#ifdef  CONFIG_USB_SUSPEND
-
-/* usb_autosuspend_work - callback routine to autosuspend a USB device */
-static void usb_autosuspend_work(struct work_struct *work)
-{
-        struct usb_device *udev =
-                container_of(work, struct usb_device, autosuspend.work);
-
-        usb_pm_lock(udev);
-        udev->auto_pm = 1;
-        usb_suspend_both(udev, PMSG_SUSPEND);
-        usb_pm_unlock(udev);
-}
-
-#else
-
-static void usb_autosuspend_work(struct work_struct *work)
-{}
-
-#endif  /* CONFIG_USB_SUSPEND */
-
 #else
 
 #define ksuspend_usb_init()     0