Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (120 commits)
  usb: don't update devnum for wusb devices
  wusb: make ep0_reinit available for modules
  wusb: devices dont use a set address
  wusb: teach choose_address() about wireless devices
  wusb: add link wusb-usb device
  wusb: add authenticathed bit to usb_dev
  USB: remove unnecessary type casting of urb->context
  usb serial: more fixes and groundwork for tty changes
  USB: replace remaining __FUNCTION__ occurrences
  USB: usbfs: export the URB_NO_INTERRUPT flag to userspace
  USB: fix compile problems in ehci-hcd
  USB: ehci: qh_completions cleanup and bugfix
  USB: cdc-acm: signedness fix
  USB: add documentation about callbacks
  USB: don't explicitly reenable root-hub status interrupts
  USB: OHCI: turn off RD when remote wakeup is disabled
  USB: HCDs use the do_remote_wakeup flag
  USB: g_file_storage: ignore bulk-out data after invalid CBW
  USB: serial: remove endpoints setting checks from core and header
  USB: serial: remove unneeded number endpoints settings
  ...

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index fd15ced899d8..9b913afb2e6d 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -389,6 +389,7 @@ static int write_fifo(struct at91_ep *ep, struct at91_request *req)
 	u32		csr = __raw_readl(creg);
 	u8 __iomem	*dreg = ep->creg + (AT91_UDP_FDR(0) - AT91_UDP_CSR(0));
 	unsigned	total, count, is_last;
+	u8		*buf;
 
 	/*
 	 * TODO: allow for writing two packets to the fifo ... that'll
@@ -413,6 +414,8 @@ static int write_fifo(struct at91_ep *ep, struct at91_request *req)
 			return 0;
 	}
 
+	buf = req->req.buf + req->req.actual;
+	prefetch(buf);
 	total = req->req.length - req->req.actual;
 	if (ep->ep.maxpacket < total) {
 		count = ep->ep.maxpacket;
@@ -435,7 +438,7 @@ static int write_fifo(struct at91_ep *ep, struct at91_request *req)
 	 * recover when the actual bytecount matters (e.g. for USB Test
 	 * and Measurement Class devices).
 	 */
-	__raw_writesb(dreg, req->req.buf + req->req.actual, count);
+	__raw_writesb(dreg, buf, count);
 	csr &= ~SET_FX;
 	csr |= CLR_FX | AT91_UDP_TXPKTRDY;
 	__raw_writel(csr, creg);
@@ -457,7 +460,7 @@ static void nuke(struct at91_ep *ep, int status)
 	if (list_empty(&ep->queue))
 		return;
 
-	VDBG("%s %s\n", __FUNCTION__, ep->ep.name);
+	VDBG("%s %s\n", __func__, ep->ep.name);
 	while (!list_empty(&ep->queue)) {
 		req = list_entry(ep->queue.next, struct at91_request, queue);
 		done(ep, req, status);
@@ -792,7 +795,7 @@ static int at91_wakeup(struct usb_gadget *gadget)
 	int		status = -EINVAL;
 	unsigned long	flags;
 
-	DBG("%s\n", __FUNCTION__ );
+	DBG("%s\n", __func__ );
 	local_irq_save(flags);
 
 	if (!udc->clocked || !udc->suspended)