[PATCH] USB HCDs: no longer need to register root hub

This patch changes the host controller drivers; they no longer need to
register their root hubs because usbcore will take care of it for them.

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

1 files changed, 2 insertions, 22 deletions

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 9d37fc771b27..1918d10f7569 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -1625,7 +1625,6 @@ static DEVICE_ATTR (urbs, S_IRUGO, show_urbs, NULL);
 static int dummy_start (struct usb_hcd *hcd)
 {
         struct dummy            *dum;
-        struct usb_device       *root;
         int                     retval;
 
         dum = hcd_to_dummy (hcd);
@@ -1642,35 +1641,16 @@ static int dummy_start (struct usb_hcd *hcd)
 
         INIT_LIST_HEAD (&dum->urbp_list);
 
-        root = usb_alloc_dev (NULL, &hcd->self, 0);
-        if (!root)
-                return -ENOMEM;
+        if ((retval = dummy_register_udc (dum)) != 0)
+                return retval;
 
         /* only show a low-power port: just 8mA */
         hcd->power_budget = 8;
-
-        /* root hub enters addressed state... */
         hcd->state = HC_STATE_RUNNING;
-        root->speed = USB_SPEED_HIGH;
-
-        /* ...then configured, so khubd sees us. */
-        if ((retval = usb_hcd_register_root_hub (root, hcd)) != 0) {
-                goto err1;
-        }
-
-        if ((retval = dummy_register_udc (dum)) != 0)
-                goto err2;
 
         /* FIXME 'urbs' should be a per-device thing, maybe in usbcore */
         device_create_file (dummy_dev(dum), &dev_attr_urbs);
         return 0;
-
- err2:
-        usb_disconnect (&hcd->self.root_hub);
- err1:
-        usb_put_dev (root);
-        hcd->state = HC_STATE_QUIESCING;
-        return retval;
 }
 
 static void dummy_stop (struct usb_hcd *hcd)