cns3xxx: fix dwc_otg driver compat with udc-core

function.  This removes those from the dwc_otg driver and removes the patch
that comments out the linkage of udc-core so that the dwc_otg driver can
co-exist happily with other USB Device Controllers.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 34475

target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c

@@ -2416,87 +2416,4 @@ void dwc_otg_pcd_remove(struct platform_device *pdev)
 	otg_dev->pcd = 0;
 }
 
-/**
- * This function registers a gadget driver with the PCD.
- *
- * When a driver is successfully registered, it will receive control
- * requests including set_configuration(), which enables non-control
- * requests.  then usb traffic follows until a disconnect is reported.
- * then a host may connect again, or the driver might get unbound.
- *
- * @param driver The driver being registered
- */
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
-	int (*bind)(struct usb_gadget *))
-{
-	int retval;
-
-	DWC_DEBUGPL(DBG_PCD, "registering gadget driver '%s'\n", driver->driver.name);
-
-	if (!driver || driver->max_speed == USB_SPEED_UNKNOWN ||
-		!bind ||
-		!driver->unbind ||
-		!driver->disconnect ||
-		!driver->setup) {
-		DWC_DEBUGPL(DBG_PCDV,"EINVAL\n");
-		return -EINVAL;
-	}
-	if (s_pcd == 0) {
-		DWC_DEBUGPL(DBG_PCDV,"ENODEV\n");
-		return -ENODEV;
-	}
-	if (s_pcd->driver != 0) {
-		DWC_DEBUGPL(DBG_PCDV,"EBUSY (%p)\n", s_pcd->driver);
-		return -EBUSY;
-	}
-
-	/* hook up the driver */
-	s_pcd->driver = driver;
-	s_pcd->gadget.dev.driver = &driver->driver;
-
-	DWC_DEBUGPL(DBG_PCD, "bind to driver %s\n", driver->driver.name);
-	retval = bind(&s_pcd->gadget);
-	if (retval) {
-		DWC_ERROR("bind to driver %s --> error %d\n",
-					driver->driver.name, retval);
-		s_pcd->driver = 0;
-		s_pcd->gadget.dev.driver = 0;
-		return retval;
-	}
-	DWC_DEBUGPL(DBG_ANY, "registered gadget driver '%s'\n",
-					driver->driver.name);
-	return 0;
-}
-
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-
-/**
- * This function unregisters a gadget driver
- *
- * @param driver The driver being unregistered
- */
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
-{
-	//DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _driver);
-
-	if (s_pcd == 0) {
-		DWC_DEBUGPL(DBG_ANY, "%s Return(%d): s_pcd==0\n", __func__,
-				-ENODEV);
-		return -ENODEV;
-	}
-	if (driver == 0 || driver != s_pcd->driver) {
-		DWC_DEBUGPL(DBG_ANY, "%s Return(%d): driver?\n", __func__,
-				-EINVAL);
-		return -EINVAL;
-	}
-
-	driver->unbind(&s_pcd->gadget);
-	s_pcd->driver = 0;
-
-	DWC_DEBUGPL(DBG_ANY, "unregistered driver '%s'\n",
-			driver->driver.name);
-	return 0;
-}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
-
 #endif /* DWC_HOST_ONLY */

target/linux/cns3xxx/patches-3.3/200-dwc_otg_support.patch

@@ -56,14 +56,3 @@
  	help
  	   A USB device uses a controller to talk to its host.
  	   Systems should have only one such upstream link.
---- a/drivers/usb/gadget/Makefile
-+++ b/drivers/usb/gadget/Makefile
-@@ -3,7 +3,7 @@
- #
- ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG
- 
--obj-$(CONFIG_USB_GADGET)	+= udc-core.o
-+#obj-$(CONFIG_USB_GADGET)	+= udc-core.o
- obj-$(CONFIG_USB_DUMMY_HCD)	+= dummy_hcd.o
- obj-$(CONFIG_USB_NET2272)	+= net2272.o
- obj-$(CONFIG_USB_NET2280)	+= net2280.o