usb: gadget: mv_udc_core: 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/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index c8cf959057fe186962960b1e177a72114d8b37d6..a7afdfb413b360b908af8311d75bc4196027505f 100644 (file)
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -2138,8 +2138,6 @@ static int mv_udc_remove(struct platform_device *pdev)
 
        mv_udc_disable(udc);
 
-       device_unregister(&udc->gadget.dev);
-
        /* free dev, wait for the release() finished */
        wait_for_completion(udc->done);
 
@@ -2311,15 +2309,11 @@ static int mv_udc_probe(struct platform_device *pdev)
        udc->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */
 
        /* the "gadget" abstracts/virtualizes the controller */
-       dev_set_name(&udc->gadget.dev, "gadget");
        udc->gadget.dev.parent = &pdev->dev;
        udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
        udc->gadget.dev.release = gadget_release;
        udc->gadget.name = driver_name;         /* gadget name */
-
-       retval = device_register(&udc->gadget.dev);
-       if (retval)
-               goto err_destroy_dma;
+       udc->gadget.register_my_device = true;
 
        eps_init(udc);
 
@@ -2342,7 +2336,7 @@ static int mv_udc_probe(struct platform_device *pdev)
                if (!udc->qwork) {
                        dev_err(&pdev->dev, "cannot create workqueue\n");
                        retval = -ENOMEM;
-                       goto err_unregister;
+                       goto err_destroy_dma;
                }
 
                INIT_WORK(&udc->vbus_work, mv_udc_vbus_work);
@@ -2370,8 +2364,6 @@ static int mv_udc_probe(struct platform_device *pdev)
 
 err_create_workqueue:
        destroy_workqueue(udc->qwork);
-err_unregister:
-       device_unregister(&udc->gadget.dev);
 err_destroy_dma:
        dma_pool_destroy(udc->dtd_pool);
 err_free_dma: