summaryrefslogtreecommitdiffstats
path: root/drivers/usb/gadget/imx_udc.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 17:47:44 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 17:47:44 +0200
commitbf61c8840efe60fd8f91446860b63338fb424158 (patch)
tree7a71832407a4f0d6346db773343f4c3ae2257b19 /drivers/usb/gadget/imx_udc.c
parentInput: wacom - fix "can not retrieve extra class descriptor" for DTH2242 (diff)
parentInput: trackpoint - Optimize trackpoint init to use power-on reset (diff)
downloadlinux-bf61c8840efe60fd8f91446860b63338fb424158.tar.xz
linux-bf61c8840efe60fd8f91446860b63338fb424158.zip
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'drivers/usb/gadget/imx_udc.c')
-rw-r--r--drivers/usb/gadget/imx_udc.c32
1 files changed, 9 insertions, 23 deletions
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index a0eb85794fd4..5bd930d779b9 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -1334,27 +1334,18 @@ static int imx_udc_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct imx_udc_struct *imx_usb;
- int retval;
imx_usb = container_of(gadget, struct imx_udc_struct, gadget);
/* first hook up the driver ... */
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 +1361,6 @@ 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);
@@ -1477,6 +1466,10 @@ static int __init imx_udc_probe(struct platform_device *pdev)
imx_usb->gadget.dev.parent = &pdev->dev;
imx_usb->gadget.dev.dma_mask = pdev->dev.dma_mask;
+ ret = device_add(&imx_usb->gadget.dev);
+ if (retval)
+ goto fail4;
+
platform_set_drvdata(pdev, imx_usb);
usb_init_data(imx_usb);
@@ -1488,9 +1481,11 @@ static int __init imx_udc_probe(struct platform_device *pdev)
ret = usb_add_gadget_udc(&pdev->dev, &imx_usb->gadget);
if (ret)
- goto fail4;
+ goto fail5;
return 0;
+fail5:
+ device_unregister(&imx_usb->gadget.dev);
fail4:
for (i = 0; i < IMX_USB_NB_EP + 1; i++)
free_irq(imx_usb->usbd_int[i], imx_usb);
@@ -1514,6 +1509,7 @@ static int __exit imx_udc_remove(struct platform_device *pdev)
int i;
usb_del_gadget_udc(&imx_usb->gadget);
+ device_unregister(&imx_usb->gadget.dev);
imx_udc_disable(imx_usb);
del_timer(&imx_usb->timer);
@@ -1556,17 +1552,7 @@ static struct platform_driver udc_driver = {
.resume = imx_udc_resume,
};
-static int __init udc_init(void)
-{
- return platform_driver_probe(&udc_driver, imx_udc_probe);
-}
-module_init(udc_init);
-
-static void __exit udc_exit(void)
-{
- platform_driver_unregister(&udc_driver);
-}
-module_exit(udc_exit);
+module_platform_driver_probe(udc_driver, imx_udc_probe);
MODULE_DESCRIPTION("IMX USB Device Controller driver");
MODULE_AUTHOR("Darius Augulis <augulis.darius@gmail.com>");