Add GPL-2.0+ SPDX-License-Identifier to source files

[people/ms/u-boot.git] / drivers / usb / gadget / pxa25x_udc.c

diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 9ce98f07684af8873e221babb904d66f03160a72..8945c5b665511b16dc44dd04c240dcbedc0af3b1 100644 (file)
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -8,19 +8,7 @@
  * Copyright (C) 2003 Joshua Wise
  * Copyright (C) 2012 Lukasz Dalek <luk0104@gmail.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+
  *
  * MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell");
  */
@@ -314,7 +302,8 @@ static int pxa25x_ep_enable(struct usb_ep *_ep,
        if (!_ep || !desc || ep->desc || _ep->name == ep0name
                        || desc->bDescriptorType != USB_DT_ENDPOINT
                        || ep->bEndpointAddress != desc->bEndpointAddress
-                       || ep->fifo_size < le16_to_cpu(desc->wMaxPacketSize)) {
+                       || ep->fifo_size <
+                          le16_to_cpu(get_unaligned(&desc->wMaxPacketSize))) {
                printf("%s, bad ep or descriptor\n", __func__);
                return -EINVAL;
        }
@@ -329,9 +318,9 @@ static int pxa25x_ep_enable(struct usb_ep *_ep,
 
        /* hardware _could_ do smaller, but driver doesn't */
        if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
-                               && le16_to_cpu(desc->wMaxPacketSize)
+                       && le16_to_cpu(get_unaligned(&desc->wMaxPacketSize))
                                                != BULK_FIFO_SIZE)
-                       || !desc->wMaxPacketSize) {
+                       || !get_unaligned(&desc->wMaxPacketSize)) {
                printf("%s, bad %s maxpacket\n", __func__, _ep->name);
                return -ERANGE;
        }
@@ -345,7 +334,7 @@ static int pxa25x_ep_enable(struct usb_ep *_ep,
        ep->desc = desc;
        ep->stopped = 0;
        ep->pio_irqs = 0;
-       ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+       ep->ep.maxpacket = le16_to_cpu(get_unaligned(&desc->wMaxPacketSize));
 
        /* flush fifo (mostly for OUT buffers) */
        pxa25x_ep_fifo_flush(_ep);
@@ -485,7 +474,7 @@ write_fifo(struct pxa25x_ep *ep, struct pxa25x_request *req)
 {
        unsigned max;
 
-       max = le16_to_cpu(ep->desc->wMaxPacketSize);
+       max = le16_to_cpu(get_unaligned(&ep->desc->wMaxPacketSize));
        do {
                unsigned count;
                int is_last, is_short;
@@ -766,7 +755,7 @@ pxa25x_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
         */
        if (unlikely(ep->bmAttributes == USB_ENDPOINT_XFER_ISOC
                        && req->req.length >
-                       le16_to_cpu(ep->desc->wMaxPacketSize)))
+                       le16_to_cpu(get_unaligned(&ep->desc->wMaxPacketSize))))
                return -EMSGSIZE;
 
        debug_cond(NOISY, "%s queue req %p, len %d buf %p\n",