usb: ci_udc: respect CONFIG_USB_GADGET_DUALSPEED

[u-boot] / drivers / usb / gadget / epautoconf.c

diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 18964894215f025063f66b69e6e8311ed19b7c34..0df4b2a103e845953a883f42faac86fe846ee6f4 100644 (file)
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -3,19 +3,9 @@
  *
  * Copyright (C) 2004 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.
+ * SPDX-License-Identifier:    GPL-2.0+
  *
- * 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+
  *
  * Ported to U-boot by: Thomas Smits <ts.smits@gmail.com> and
  *                      Remy Bohmer <linux@bohmer.net>
@@ -25,6 +15,7 @@
 #include <linux/usb/ch9.h>
 #include <asm/errno.h>
 #include <linux/usb/gadget.h>
+#include <asm/unaligned.h>
 #include "gadget_chips.h"
 
 #define isdigit(c)      ('0' <= (c) && (c) <= '9')
@@ -127,7 +118,7 @@ static int ep_matches(
         * where it's an output parameter representing the full speed limit.
         * the usb spec fixes high speed bulk maxpacket at 512 bytes.
         */
-       max = 0x7ff & le16_to_cpu(desc->wMaxPacketSize);
+       max = 0x7ff & le16_to_cpu(get_unaligned(&desc->wMaxPacketSize));
        switch (type) {
        case USB_ENDPOINT_XFER_INT:
                /* INT:  limit 64 bytes full speed, 1024 high speed */
@@ -143,7 +134,8 @@ static int ep_matches(
                        return 0;
 
                /* BOTH:  "high bandwidth" works only at high speed */
-               if ((desc->wMaxPacketSize & __constant_cpu_to_le16(3<<11))) {
+               if ((get_unaligned(&desc->wMaxPacketSize) &
+                                       __constant_cpu_to_le16(3<<11))) {
                        if (!gadget->is_dualspeed)
                                return 0;
                        /* configure your hardware with enough buffering!! */
@@ -176,7 +168,7 @@ static int ep_matches(
                /* min() doesn't work on bitfields with gcc-3.5 */
                if (size > 64)
                        size = 64;
-               desc->wMaxPacketSize = cpu_to_le16(size);
+               put_unaligned(cpu_to_le16(size), &desc->wMaxPacketSize);
        }
        return 1;
 }