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path: root/drivers/usb/gadget/s3c_udc_otg.c
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Diffstat (limited to 'drivers/usb/gadget/s3c_udc_otg.c')
-rw-r--r--drivers/usb/gadget/s3c_udc_otg.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c
index 5a3ac78ff2..901fac982a 100644
--- a/drivers/usb/gadget/s3c_udc_otg.c
+++ b/drivers/usb/gadget/s3c_udc_otg.c
@@ -40,6 +40,7 @@
#include <linux/usb/gadget.h>
#include <asm/byteorder.h>
+#include <asm/unaligned.h>
#include <asm/io.h>
#include <asm/mach-types.h>
@@ -586,7 +587,8 @@ static int s3c_ep_enable(struct usb_ep *_ep,
if (!_ep || !desc || ep->desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
- || ep_maxpacket(ep) < le16_to_cpu(desc->wMaxPacketSize)) {
+ || ep_maxpacket(ep) <
+ le16_to_cpu(get_unaligned(&desc->wMaxPacketSize))) {
DEBUG("%s: bad ep or descriptor\n", __func__);
return -EINVAL;
@@ -603,8 +605,8 @@ static int s3c_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) != ep_maxpacket(ep))
- || !desc->wMaxPacketSize) {
+ && le16_to_cpu(get_unaligned(&desc->wMaxPacketSize)) !=
+ ep_maxpacket(ep)) || !get_unaligned(&desc->wMaxPacketSize)) {
DEBUG("%s: bad %s maxpacket\n", __func__, _ep->name);
return -ERANGE;
@@ -620,7 +622,7 @@ static int s3c_ep_enable(struct usb_ep *_ep,
ep->stopped = 0;
ep->desc = desc;
ep->pio_irqs = 0;
- ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ ep->ep.maxpacket = le16_to_cpu(get_unaligned(&desc->wMaxPacketSize));
/* Reset halt state */
s3c_udc_set_nak(ep);
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