usb: gadget: atmel_usba_udc: 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>

1 files changed, 1 insertions, 12 deletions

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index b66130c97269..2404d0c25668 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1900,9 +1900,9 @@ static int __init usba_udc_probe(struct platform_device *pdev)
         dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n",
                  (unsigned long)fifo->start, udc->fifo);
 
-        device_initialize(&udc->gadget.dev);
         udc->gadget.dev.parent = &pdev->dev;
         udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
+        udc->gadget.register_my_device = true;
 
         platform_set_drvdata(pdev, udc);
 
@@ -1962,12 +1962,6 @@ static int __init usba_udc_probe(struct platform_device *pdev)
         }
         udc->irq = irq;
 
-        ret = device_add(&udc->gadget.dev);
-        if (ret) {
-                dev_dbg(&pdev->dev, "Could not add gadget: %d\n", ret);
-                goto err_device_add;
-        }
-
         if (gpio_is_valid(pdata->vbus_pin)) {
                 if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
                         udc->vbus_pin = pdata->vbus_pin;
@@ -2007,9 +2001,6 @@ err_add_udc:
                 gpio_free(udc->vbus_pin);
         }
 
-        device_unregister(&udc->gadget.dev);
-
-err_device_add:
         free_irq(irq, udc);
 err_request_irq:
         kfree(usba_ep);
@@ -2053,8 +2044,6 @@ static int __exit usba_udc_remove(struct platform_device *pdev)
         clk_put(udc->hclk);
         clk_put(udc->pclk);
 
-        device_unregister(&udc->gadget.dev);
-
         return 0;
 }