msleep(max(pgood_delay, (unsigned) 100));
}
-static void hub_quiesce(struct usb_hub *hub)
-{
- /* (nonblocking) khubd and related activity won't re-trigger */
- hub->quiescing = 1;
-
- /* (blocking) stop khubd and related activity */
- usb_kill_urb(hub->urb);
- if (hub->has_indicators)
- cancel_delayed_work_sync(&hub->leds);
- if (hub->tt.hub)
- cancel_work_sync(&hub->tt.kevent);
-}
-
static int hub_hub_status(struct usb_hub *hub,
u16 *status, u16 *change)
{
kick_khubd(hub);
}
-/* caller has locked the hub device */
-static void hub_stop(struct usb_hub *hub)
-{
- struct usb_device *hdev = hub->hdev;
- int i;
-
- /* Disconnect all the children */
- for (i = 0; i < hdev->maxchild; ++i) {
- if (hdev->children[i])
- usb_disconnect(&hdev->children[i]);
- }
- hub_quiesce(hub);
-}
-
enum hub_activation_type {
HUB_INIT, HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME
};
kick_khubd(hub);
}
+enum hub_quiescing_type {
+ HUB_DISCONNECT, HUB_PRE_RESET, HUB_SUSPEND
+};
+
+static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
+{
+ struct usb_device *hdev = hub->hdev;
+ int i;
+
+ /* khubd and related activity won't re-trigger */
+ hub->quiescing = 1;
+
+ if (type != HUB_SUSPEND) {
+ /* Disconnect all the children */
+ for (i = 0; i < hdev->maxchild; ++i) {
+ if (hdev->children[i])
+ usb_disconnect(&hdev->children[i]);
+ }
+ }
+
+ /* Stop khubd and related activity */
+ usb_kill_urb(hub->urb);
+ if (hub->has_indicators)
+ cancel_delayed_work_sync(&hub->leds);
+ if (hub->tt.hub)
+ cancel_work_sync(&hub->tt.kevent);
+}
+
/* caller has locked the hub device */
static int hub_pre_reset(struct usb_interface *intf)
{
struct usb_hub *hub = usb_get_intfdata(intf);
- hub_stop(hub);
+ hub_quiesce(hub, HUB_PRE_RESET);
return 0;
}
/* Disconnect all children and quiesce the hub */
hub->error = 0;
- hub_stop(hub);
+ hub_quiesce(hub, HUB_DISCONNECT);
usb_set_intfdata (intf, NULL);
dev_dbg(&intf->dev, "%s\n", __func__);
/* stop khubd and related activity */
- hub_quiesce(hub);
+ hub_quiesce(hub, HUB_SUSPEND);
return 0;
}
/* If the hub has died, clean up after it */
if (hdev->state == USB_STATE_NOTATTACHED) {
hub->error = -ENODEV;
- hub_stop(hub);
+ hub_quiesce(hub, HUB_DISCONNECT);
goto loop;
}