static int generic_suspend(struct usb_device *udev, pm_message_t msg)
{
int rc;
MYDBG("udev : %x", (unsigned int)udev);
/* Normal USB devices suspend through their upstream port.
* Root hubs don't have upstream ports to suspend,
* so we have to shut down their downstream HC-to-USB
* interfaces manually by doing a bus (or "global") suspend.
*/
if (!udev->parent)
{
MYDBG("");
rc = hcd_bus_suspend(udev, msg);
}
/* Non-root devices don't need to do anything for FREEZE or PRETHAW */
else if (msg.event == PM_EVENT_FREEZE || msg.event == PM_EVENT_PRETHAW)
{
MYDBG("");
rc = 0;
}
else
{
MYDBG("");
rc = usb_port_suspend(udev, msg);
}
return rc;
}
static int generic_suspend(struct usb_device *udev, pm_message_t msg)
{
/* USB devices enter SUSPEND state through their hubs, but can be
* marked for FREEZE as soon as their children are already idled.
* But those semantics are useless, so we equate the two (sigh).
*/
return usb_port_suspend(udev);
}