usb: gadget: r8a66597-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>

diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index f46a1b7..ae94c0e 100644 (file)
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1837,7 +1837,6 @@ static int __exit r8a66597_remove(struct platform_device *pdev)
                clk_put(r8a66597->clk);
        }
 
-       device_unregister(&r8a66597->gadget.dev);
        kfree(r8a66597);
        return 0;
 }
@@ -1915,17 +1914,12 @@ static int __init r8a66597_probe(struct platform_device *pdev)
        r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
 
        r8a66597->gadget.ops = &r8a66597_gadget_ops;
-       dev_set_name(&r8a66597->gadget.dev, "gadget");
        r8a66597->gadget.max_speed = USB_SPEED_HIGH;
        r8a66597->gadget.dev.parent = &pdev->dev;
        r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
        r8a66597->gadget.dev.release = pdev->dev.release;
        r8a66597->gadget.name = udc_name;
-       ret = device_register(&r8a66597->gadget.dev);
-       if (ret < 0) {
-               dev_err(&pdev->dev, "device_register failed\n");
-               goto clean_up;
-       }
+       r8a66597->gadget.register_my_device = true;
 
        init_timer(&r8a66597->timer);
        r8a66597->timer.function = r8a66597_timer;
@@ -1939,7 +1933,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
                        dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
                                clk_name);
                        ret = PTR_ERR(r8a66597->clk);
-                       goto clean_up_dev;
+                       goto clean_up;
                }
                clk_enable(r8a66597->clk);
        }
@@ -2007,8 +2001,6 @@ clean_up2:
                clk_disable(r8a66597->clk);
                clk_put(r8a66597->clk);
        }
-clean_up_dev:
-       device_unregister(&r8a66597->gadget.dev);
 clean_up:
        if (r8a66597) {
                if (r8a66597->sudmac_reg)