1 files changed, 0 insertions, 365 deletions

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
deleted file mode 100644
index bd3404f9cf..0000000000
--- a/drivers/usb/gadget/udc-core.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/**
- * udc.c - Core UDC Framework
- *
- * Copyright (C) 2010 Texas Instruments
- * Author: Felipe Balbi <balbi@ti.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2  of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#define VERBOSE_DEBUG
-#include <common.h>
-#include <driver.h>
-#include <init.h>
-#include <poller.h>
-#include <usb/ch9.h>
-#include <usb/gadget.h>
-
-/**
- * struct usb_udc - describes one usb device controller
- * @driver - the gadget driver pointer. For use by the class code
- * @dev - the child device to the actual controller
- * @gadget - the gadget. For use by the class code
- * @list - for use by the udc class driver
- *
- * This represents the internal data structure which is used by the UDC-class
- * to hold information about udc driver and gadget together.
- */
-struct usb_udc {
-	struct usb_gadget_driver	*driver;
-	struct usb_gadget		*gadget;
-	struct device_d			dev;
-	struct list_head		list;
-	struct poller_struct		poller;
-};
-
-static LIST_HEAD(udc_list);
-
-/* ------------------------------------------------------------------------- */
-
-void usb_gadget_set_state(struct usb_gadget *gadget,
-		enum usb_device_state state)
-{
-	gadget->state = state;
-}
-EXPORT_SYMBOL_GPL(usb_gadget_set_state);
-
-/**
- * usb_gadget_udc_reset - notifies the udc core that bus reset occurs
- * @gadget: The gadget which bus reset occurs
- * @driver: The gadget driver we want to notify
- *
- * If the udc driver has bus reset handler, it needs to call this when the bus
- * reset occurs, it notifies the gadget driver that the bus reset occurs as
- * well as updates gadget state.
- */
-void usb_gadget_udc_reset(struct usb_gadget *gadget,
-		struct usb_gadget_driver *driver)
-{
-	usb_gadget_set_state(gadget, USB_STATE_DEFAULT);
-}
-EXPORT_SYMBOL_GPL(usb_gadget_udc_reset);
-/* ------------------------------------------------------------------------- */
-
-/**
- * usb_gadget_udc_start - tells usb device controller to start up
- * @gadget: The gadget we want to get started
- * @driver: The driver we want to bind to @gadget
- *
- * This call is issued by the UDC Class driver when it's about
- * to register a gadget driver to the device controller, before
- * calling gadget driver's bind() method.
- *
- * It allows the controller to be powered off until strictly
- * necessary to have it powered on.
- *
- * Returns zero on success, else negative errno.
- */
-static inline int usb_gadget_udc_start(struct usb_gadget *gadget,
-		struct usb_gadget_driver *driver)
-{
-	return gadget->ops->udc_start(gadget, driver);
-}
-
-/**
- * usb_gadget_udc_stop - tells usb device controller we don't need it anymore
- * @gadget: The device we want to stop activity
- * @driver: The driver to unbind from @gadget
- *
- * This call is issued by the UDC Class driver after calling
- * gadget driver's unbind() method.
- *
- * The details are implementation specific, but it can go as
- * far as powering off UDC completely and disable its data
- * line pullups.
- */
-static inline void usb_gadget_udc_stop(struct usb_gadget *gadget,
-		struct usb_gadget_driver *driver)
-{
-	gadget->ops->udc_stop(gadget, driver);
-}
-
-int usb_gadget_poll(void)
-{
-	struct usb_udc		*udc;
-
-	list_for_each_entry(udc, &udc_list, list) {
-		if (udc->gadget->ops->udc_poll)
-			udc->gadget->ops->udc_poll(udc->gadget);
-	}
-
-	return 0;
-}
-
-/**
- * usb_add_gadget_udc_release - adds a new gadget to the udc class driver list
- * @parent: the parent device to this udc. Usually the controller driver's
- * device.
- * @gadget: the gadget to be added to the list.
- * @release: a gadget release function.
- *
- * Returns zero on success, negative errno otherwise.
- */
-int usb_add_gadget_udc_release(struct device_d *parent, struct usb_gadget *gadget,
-		void (*release)(struct device_d *dev))
-{
-	struct usb_udc		*udc;
-	int			ret = -ENOMEM;
-
-	udc = kzalloc(sizeof(*udc), GFP_KERNEL);
-	if (!udc)
-		goto err1;
-
-	dev_set_name(&gadget->dev, "usbgadget");
-	gadget->dev.id = DEVICE_ID_SINGLE;
-	gadget->dev.parent = parent;
-
-	ret = register_device(&gadget->dev);
-	if (ret)
-		goto err2;
-
-	dev_add_param_uint32(&gadget->dev, "product", NULL, NULL,
-			&gadget->product_id, "0x%04x", NULL);
-	dev_add_param_uint32(&gadget->dev, "vendor", NULL, NULL,
-			&gadget->vendor_id, "0x%04x", NULL);
-	gadget->manufacturer = xstrdup("barebox");
-	dev_add_param_string(&gadget->dev, "manufacturer", NULL, NULL,
-			&gadget->manufacturer, NULL);
-	gadget->productname = xstrdup(barebox_get_model());
-	dev_add_param_string(&gadget->dev, "productname", NULL, NULL,
-			&gadget->productname, NULL);
-	gadget->serialnumber = xstrdup("");
-	dev_add_param_string(&gadget->dev, "serialnumber", NULL, NULL,
-			&gadget->serialnumber, NULL);
-
-	dev_set_name(&udc->dev, "udc");
-	udc->dev.id = DEVICE_ID_DYNAMIC;
-
-	udc->gadget = gadget;
-
-	list_add_tail(&udc->list, &udc_list);
-
-	register_device(&udc->dev);
-
-	usb_gadget_set_state(gadget, USB_STATE_NOTATTACHED);
-
-	return 0;
-err2:
-	kfree(udc);
-
-err1:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(usb_add_gadget_udc_release);
-
-/**
- * usb_add_gadget_udc - adds a new gadget to the udc class driver list
- * @parent: the parent device to this udc. Usually the controller
- * driver's device.
- * @gadget: the gadget to be added to the list
- *
- * Returns zero on success, negative errno otherwise.
- */
-int usb_add_gadget_udc(struct device_d *parent, struct usb_gadget *gadget)
-{
-	return usb_add_gadget_udc_release(parent, gadget, NULL);
-}
-EXPORT_SYMBOL_GPL(usb_add_gadget_udc);
-
-static void usb_gadget_remove_driver(struct usb_udc *udc)
-{
-	dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",
-			udc->gadget->name);
-
-	if (udc->gadget->ops->udc_poll)
-		poller_unregister(&udc->poller);
-
-	usb_gadget_disconnect(udc->gadget);
-	udc->driver->disconnect(udc->gadget);
-	udc->driver->unbind(udc->gadget);
-	usb_gadget_udc_stop(udc->gadget, NULL);
-
-	udc->driver = NULL;
-	udc->dev.driver = NULL;
-	udc->gadget->dev.driver = NULL;
-}
-
-/**
- * usb_del_gadget_udc - deletes @udc from udc_list
- * @gadget: the gadget to be removed.
- *
- * This, will call usb_gadget_unregister_driver() if
- * the @udc is still busy.
- */
-void usb_del_gadget_udc(struct usb_gadget *gadget)
-{
-	struct usb_udc		*udc = NULL;
-
-	list_for_each_entry(udc, &udc_list, list)
-		if (udc->gadget == gadget)
-			goto found;
-
-	dev_err(gadget->dev.parent, "gadget not registered.\n");
-
-	return;
-
-found:
-	dev_vdbg(gadget->dev.parent, "unregistering gadget\n");
-
-	list_del(&udc->list);
-
-	if (udc->driver)
-		usb_gadget_remove_driver(udc);
-
-	unregister_device(&udc->dev);
-	unregister_device(&gadget->dev);
-}
-EXPORT_SYMBOL_GPL(usb_del_gadget_udc);
-
-/* ------------------------------------------------------------------------- */
-
-static void udc_poll_driver(struct poller_struct *poller)
-{
-	struct usb_udc *udc = container_of(poller, struct usb_udc, poller);
-
-	udc->gadget->ops->udc_poll(udc->gadget);
-}
-
-static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *driver)
-{
-	int ret;
-
-	dev_dbg(&udc->dev, "registering UDC driver [%s]\n",
-			driver->function);
-
-	udc->driver = driver;
-	udc->dev.driver = &driver->driver;
-	udc->gadget->dev.driver = &driver->driver;
-
-	if (udc->gadget->ops->udc_poll) {
-		udc->poller.func = udc_poll_driver;
-		ret = poller_register(&udc->poller, dev_name(&udc->dev));
-		if (ret)
-			return ret;
-	}
-
-	ret = driver->bind(udc->gadget, driver);
-	if (ret)
-		goto err1;
-
-	ret = usb_gadget_udc_start(udc->gadget, driver);
-	if (ret) {
-		driver->unbind(udc->gadget);
-		goto err1;
-	}
-	usb_gadget_connect(udc->gadget);
-
-	return 0;
-err1:
-	if (udc->gadget->ops->udc_poll)
-		poller_unregister(&udc->poller);
-
-	if (ret != -EISNAM)
-		dev_err(&udc->dev, "failed to start %s: %d\n",
-			udc->driver->function, ret);
-	udc->driver = NULL;
-	udc->dev.driver = NULL;
-	udc->gadget->dev.driver = NULL;
-	return ret;
-}
-
-int udc_attach_driver(const char *name, struct usb_gadget_driver *driver)
-{
-	struct usb_udc *udc = NULL;
-	int ret = -ENODEV;
-
-	list_for_each_entry(udc, &udc_list, list) {
-		ret = strcmp(name, dev_name(&udc->dev));
-		if (!ret)
-			break;
-	}
-	if (ret) {
-		ret = -ENODEV;
-		goto out;
-	}
-	if (udc->driver) {
-		ret = -EBUSY;
-		goto out;
-	}
-	ret = udc_bind_to_driver(udc, driver);
-out:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(udc_attach_driver);
-
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
-{
-	struct usb_udc		*udc = NULL;
-	int			ret;
-
-	if (!driver || !driver->bind || !driver->setup)
-		return -EINVAL;
-
-	list_for_each_entry(udc, &udc_list, list) {
-		/* For now we take the first one */
-		if (!udc->driver)
-			goto found;
-	}
-
-	pr_debug("couldn't find an available UDC\n");
-
-	return -ENODEV;
-found:
-	ret = udc_bind_to_driver(udc, driver);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(usb_gadget_probe_driver);
-
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
-{
-	struct usb_udc		*udc = NULL;
-	int			ret = -ENODEV;
-
-	if (!driver || !driver->unbind)
-		return -EINVAL;
-
-	list_for_each_entry(udc, &udc_list, list)
-		if (udc->driver == driver) {
-			usb_gadget_remove_driver(udc);
-			ret = 0;
-			break;
-		}
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver);