+// SPDX-License-Identifier: GPL-2.0+
/*
* usb/gadget/config.c -- simplify building config descriptors
*
* Copyright (C) 2003 David Brownell
*
- * 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
- *
- * Ported to U-boot by: Thomas Smits <ts.smits@gmail.com> and
+ * Ported to U-Boot by: Thomas Smits <ts.smits@gmail.com> and
* Remy Bohmer <linux@bohmer.net>
*/
#include <common.h>
-#include <asm/errno.h>
+#include <asm/unaligned.h>
+#include <linux/errno.h>
#include <linux/list.h>
#include <linux/string.h>
/* config descriptor first */
if (length < USB_DT_CONFIG_SIZE || !desc)
return -EINVAL;
- *cp = *config;
+ /* config need not be aligned */
+ memcpy(cp, config, sizeof(*cp));
/* then interface/endpoint/class/vendor/... */
len = usb_descriptor_fillbuf(USB_DT_CONFIG_SIZE + (u8 *)buf,
/* patch up the config descriptor */
cp->bLength = USB_DT_CONFIG_SIZE;
cp->bDescriptorType = USB_DT_CONFIG;
- cp->wTotalLength = cpu_to_le16(len);
+ put_unaligned_le16(len, &cp->wTotalLength);
cp->bmAttributes |= USB_CONFIG_ATT_ONE;
return len;
}
-