Merge branch 'master' into for-next

[pandora-kernel.git] / drivers / usb / musb / musb_gadget.c

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 95a67fe..fe8d14c 100644 (file)
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1698,6 +1698,8 @@ static int musb_gadget_pullup(struct usb_gadget *gadget, int is_on)
 
        is_on = !!is_on;
 
+       pm_runtime_get_sync(musb->controller);
+
        /* NOTE: this assumes we are sensing vbus; we'd rather
         * not pullup unless the B-session is active.
         */
@@ -1707,6 +1709,9 @@ static int musb_gadget_pullup(struct usb_gadget *gadget, int is_on)
                musb_pullup(musb, is_on);
        }
        spin_unlock_irqrestore(&musb->lock, flags);
+
+       pm_runtime_put(musb->controller);
+
        return 0;
 }
 
@@ -1851,6 +1856,7 @@ int __init musb_gadget_setup(struct musb *musb)
 
        return 0;
 err:
+       musb->g.dev.parent = NULL;
        device_unregister(&musb->g.dev);
        return status;
 }
@@ -1858,7 +1864,8 @@ err:
 void musb_gadget_cleanup(struct musb *musb)
 {
        usb_del_gadget_udc(&musb->g);
-       device_unregister(&musb->g.dev);
+       if (musb->g.dev.parent)
+               device_unregister(&musb->g.dev);
 }
 
 /*