usb: gadget: dummy_hcd: let udc-core manage gadget->dev

By simply setting a flag, we can drop some
boilerplate code.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 8cf0c0f..a6950aa 100644 (file)
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -983,16 +983,10 @@ static int dummy_udc_probe(struct platform_device *pdev)
        dum->gadget.name = gadget_name;
        dum->gadget.ops = &dummy_ops;
        dum->gadget.max_speed = USB_SPEED_SUPER;
+       dum->gadget.register_my_device = true;
 
-       dev_set_name(&dum->gadget.dev, "gadget");
        dum->gadget.dev.parent = &pdev->dev;
        dum->gadget.dev.release = dummy_gadget_release;
-       rc = device_register(&dum->gadget.dev);
-       if (rc < 0) {
-               put_device(&dum->gadget.dev);
-               return rc;
-       }
-
        init_dummy_udc_hw(dum);
 
        rc = usb_add_gadget_udc(&pdev->dev, &dum->gadget);
@@ -1008,7 +1002,6 @@ static int dummy_udc_probe(struct platform_device *pdev)
 err_dev:
        usb_del_gadget_udc(&dum->gadget);
 err_udc:
-       device_unregister(&dum->gadget.dev);
        return rc;
 }
 
@@ -1019,7 +1012,6 @@ static int dummy_udc_remove(struct platform_device *pdev)
        usb_del_gadget_udc(&dum->gadget);
        platform_set_drvdata(pdev, NULL);
        device_remove_file(&dum->gadget.dev, &dev_attr_function);
-       device_unregister(&dum->gadget.dev);
        return 0;
 }