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path: root/drivers/usb/gadget/imx_udc.c
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Diffstat (limited to 'drivers/usb/gadget/imx_udc.c')
-rw-r--r--drivers/usb/gadget/imx_udc.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index ade40066decf..692fd9b2248b 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -1237,9 +1237,14 @@ irq_handler_t intr_handler(int i)
*******************************************************************************
*/
+static int imx_udc_start(struct usb_gadget_driver *driver,
+ int (*bind)(struct usb_gadget *));
+static int imx_udc_stop(struct usb_gadget_driver *driver);
static const struct usb_gadget_ops imx_udc_ops = {
.get_frame = imx_udc_get_frame,
.wakeup = imx_udc_wakeup,
+ .start = imx_udc_start,
+ .stop = imx_udc_stop,
};
static struct imx_udc_struct controller = {
@@ -1324,7 +1329,7 @@ static struct imx_udc_struct controller = {
* USB gadget driver functions
*******************************************************************************
*/
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int imx_udc_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct imx_udc_struct *imx_usb = &controller;
@@ -1368,9 +1373,8 @@ fail:
imx_usb->gadget.dev.driver = NULL;
return retval;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+static int imx_udc_stop(struct usb_gadget_driver *driver)
{
struct imx_udc_struct *imx_usb = &controller;
@@ -1394,7 +1398,6 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
return 0;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
/*******************************************************************************
* Module functions
@@ -1504,8 +1507,14 @@ static int __init imx_udc_probe(struct platform_device *pdev)
imx_usb->timer.function = handle_config;
imx_usb->timer.data = (unsigned long)imx_usb;
- return 0;
+ ret = usb_add_gadget_udc(&pdev->dev, &imx_usb->gadget);
+ if (ret)
+ goto fail4;
+ return 0;
+fail4:
+ for (i = 0; i < IMX_USB_NB_EP + 1; i++)
+ free_irq(imx_usb->usbd_int[i], imx_usb);
fail3:
clk_put(clk);
clk_disable(clk);
@@ -1525,6 +1534,7 @@ static int __exit imx_udc_remove(struct platform_device *pdev)
struct imxusb_platform_data *pdata = pdev->dev.platform_data;
int i;
+ usb_del_gadget_udc(&imx_usb->gadget);
imx_udc_disable(imx_usb);
del_timer(&imx_usb->timer);