[RFC/PATCH 14/32] usb: gadget: imx_udc: let udc-core manage gadget->dev

[Felipe Balbi <balbi@ti.com>]

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

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/gadget/imx_udc.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index a0eb857..c8b5da3 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -1341,20 +1341,12 @@ static int imx_udc_start(struct usb_gadget *gadget,
 	imx_usb->driver = driver;
 	imx_usb->gadget.dev.driver = &driver->driver;
 
-	retval = device_add(&imx_usb->gadget.dev);
-	if (retval)
-		goto fail;
-
 	D_INI(imx_usb->dev, "<%s> registered gadget driver '%s'\n",
 		__func__, driver->driver.name);
 
 	imx_udc_enable(imx_usb);
 
 	return 0;
-fail:
-	imx_usb->driver = NULL;
-	imx_usb->gadget.dev.driver = NULL;
-	return retval;
 }
 
 static int imx_udc_stop(struct usb_gadget *gadget,
@@ -1370,8 +1362,6 @@ static int imx_udc_stop(struct usb_gadget *gadget,
 	imx_usb->gadget.dev.driver = NULL;
 	imx_usb->driver = NULL;
 
-	device_del(&imx_usb->gadget.dev);
-
 	D_INI(imx_usb->dev, "<%s> unregistered gadget driver '%s'\n",
 		__func__, driver->driver.name);
 
@@ -1472,8 +1462,7 @@ static int __init imx_udc_probe(struct platform_device *pdev)
 	imx_usb->clk = clk;
 	imx_usb->dev = &pdev->dev;
 
-	device_initialize(&imx_usb->gadget.dev);
-
+	imx_usb->gadget.register_my_device = true;
 	imx_usb->gadget.dev.parent = &pdev->dev;
 	imx_usb->gadget.dev.dma_mask = pdev->dev.dma_mask;
 
-- 
1.8.1.rc1.5.g7e0651a