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path: root/drivers/usb/gadget/pxa25x_udc.c
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Diffstat (limited to 'drivers/usb/gadget/pxa25x_udc.c')
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 9ce98f0768..085503dbe8 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -314,7 +314,8 @@ 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 +330,9 @@ 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 +346,7 @@ 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 +486,7 @@ 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 +767,7 @@ 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",