1 files changed, 11 insertions, 27 deletions

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 9db2482bdfa2..cbe44535c0f0 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -61,6 +61,8 @@
 #define DRIVER_DESC     "USB Host+Gadget Emulator"
 #define DRIVER_VERSION  "02 May 2005"
 
+#define POWER_BUDGET    500     /* in mA; use 8 for low-power port testing */
+
 static const char       driver_name [] = "dummy_hcd";
 static const char       driver_desc [] = "USB Host+Gadget Emulator";
 
@@ -772,18 +774,17 @@ usb_gadget_register_driver (struct usb_gadget_driver *driver)
         list_del_init (&dum->ep [0].ep.ep_list);
         INIT_LIST_HEAD(&dum->fifo_req.queue);
 
+        driver->driver.bus = NULL;
         dum->driver = driver;
         dum->gadget.dev.driver = &driver->driver;
         dev_dbg (udc_dev(dum), "binding gadget driver '%s'\n",
                         driver->driver.name);
-        if ((retval = driver->bind (&dum->gadget)) != 0)
-                goto err_bind_gadget;
-
-        driver->driver.bus = dum->gadget.dev.parent->bus;
-        if ((retval = driver_register (&driver->driver)) != 0)
-                goto err_register;
-        if ((retval = device_bind_driver (&dum->gadget.dev)) != 0)
-                goto err_bind_driver;
+        retval = driver->bind(&dum->gadget);
+        if (retval) {
+                dum->driver = NULL;
+                dum->gadget.dev.driver = NULL;
+                return retval;
+        }
 
         /* khubd will enumerate this in a while */
         spin_lock_irq (&dum->lock);
@@ -793,20 +794,6 @@ usb_gadget_register_driver (struct usb_gadget_driver *driver)
 
         usb_hcd_poll_rh_status (dummy_to_hcd (dum));
         return 0;
-
-err_bind_driver:
-        driver_unregister (&driver->driver);
-err_register:
-        if (driver->unbind)
-                driver->unbind (&dum->gadget);
-        spin_lock_irq (&dum->lock);
-        dum->pullup = 0;
-        set_link_state (dum);
-        spin_unlock_irq (&dum->lock);
-err_bind_gadget:
-        dum->driver = NULL;
-        dum->gadget.dev.driver = NULL;
-        return retval;
 }
 EXPORT_SYMBOL (usb_gadget_register_driver);
 
@@ -830,11 +817,9 @@ usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
         spin_unlock_irqrestore (&dum->lock, flags);
 
         driver->unbind (&dum->gadget);
+        dum->gadget.dev.driver = NULL;
         dum->driver = NULL;
 
-        device_release_driver (&dum->gadget.dev);
-        driver_unregister (&driver->driver);
-
         spin_lock_irqsave (&dum->lock, flags);
         dum->pullup = 0;
         set_link_state (dum);
@@ -1827,8 +1812,7 @@ static int dummy_start (struct usb_hcd *hcd)
 
         INIT_LIST_HEAD (&dum->urbp_list);
 
-        /* only show a low-power port: just 8mA */
-        hcd->power_budget = 8;
+        hcd->power_budget = POWER_BUDGET;
         hcd->state = HC_STATE_RUNNING;
         hcd->uses_new_polling = 1;