struct usb_hub *hub = usb_get_intfdata (intf);
struct usb_device *hdev = hub->hdev;
unsigned port1;
- int status = 0;
/* fail if children aren't already suspended */
for (port1 = 1; port1 <= hdev->maxchild; port1++) {
/* stop khubd and related activity */
hub_quiesce(hub);
-
- /* "global suspend" of the downstream HC-to-USB interface */
- if (!hdev->parent) {
- status = hcd_bus_suspend(hdev->bus);
- if (status != 0) {
- dev_dbg(&hdev->dev, "'global' suspend %d\n", status);
- hub_activate(hub);
- }
- }
- return status;
+ return 0;
}
static int hub_resume(struct usb_interface *intf)
{
struct usb_hub *hub = usb_get_intfdata (intf);
- struct usb_device *hdev = hub->hdev;
- int status;
dev_dbg(&intf->dev, "%s\n", __FUNCTION__);
- /* "global resume" of the downstream HC-to-USB interface */
- if (!hdev->parent) {
- struct usb_bus *bus = hdev->bus;
- if (bus) {
- status = hcd_bus_resume (bus);
- if (status) {
- dev_dbg(&intf->dev, "'global' resume %d\n",
- status);
- return status;
- }
- } else
- return -EOPNOTSUPP;
- if (status == 0) {
- /* TRSMRCY = 10 msec */
- msleep(10);
- }
- }
-
/* tell khubd to look for changes on this hub */
hub_activate(hub);
return 0;