* Copyright (C) 2006-2008 David Brownell
* U-boot porting: Lukasz Majewski <l.majewski@samsung.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#undef DEBUG
if (&f->list == &cdev->config->functions)
f = NULL;
break;
+ /*
+ * dfu-util (version 0.5) sets bmRequestType.Receipent = Device
+ * for non-standard request (w_value = 0x21,
+ * bRequest = GET_DESCRIPTOR in this case).
+ * When only one interface is registered (as it is done now),
+ * then this request shall be handled as it was requested for
+ * interface.
+ *
+ * In the below code it is checked if only one interface is
+ * present and proper function for it is extracted. Due to that
+ * function's setup (f->setup) is called to handle this
+ * special non-standard request.
+ */
+ case USB_RECIP_DEVICE:
+ debug("cdev->config->next_interface_id: %d intf: %d\n",
+ cdev->config->next_interface_id, intf);
+ if (cdev->config->next_interface_id == 1)
+ f = cdev->config->interface[intf];
+ break;
}
if (f && f->setup)
if (status < 0)
goto fail;
- cdev->desc = *composite->dev;
+ memcpy(&cdev->desc, composite->dev,
+ sizeof(struct usb_device_descriptor));
cdev->desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
debug("%s: ready\n", composite->name);
if (composite != driver)
return;
usb_gadget_unregister_driver(&composite_driver);
+ composite = NULL;
}