diff options
| -rw-r--r-- | drivers/usb/gadget/dummy_hcd.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 9db2482bdfa..1a8a5f33443 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -772,18 +772,17 @@ 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 +792,6 @@ 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 +815,9 @@ 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); |