This fixes 2 bugs with the data toggle in uhci.c which was causing
reduced performance.
The patch is relative to 2.4.18-pre4.
JE
--- linux-2.4.18-pre4.orig/drivers/usb/uhci.c Fri Dec 21 09:41:55 2001
+++ linux-2.4.18-pre4/drivers/usb/uhci.c Sat Jan 19 15:58:38 2002
@@ -520,7 +520,8 @@
lltd = list_entry(lurbp->td_list.prev, struct uhci_td, list);
- uhci_fixup_toggle(urb, uhci_toggle(lltd->info) ^ 1);
+ usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe),
+ uhci_fixup_toggle(urb, uhci_toggle(lltd->info) ^ 1));
/* All qh's in the queue need to link to the next queue */
urbp->qh->link = eurbp->qh->link;
@@ -556,6 +557,7 @@
/* Fix up the toggle for the next URB's */
if (!urbp->queued)
+ /* We set the toggle when we unlink */
toggle = usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe),
usb_pipeout(urb->pipe));
else {
/* If we're in the middle of the queue, grab the toggle */
@@ -1683,8 +1685,8 @@
/* Control and Isochronous ignore the toggle, so this */
/* is safe for all types */
- if (!(td->status & TD_CTRL_ACTIVE) &&
- (uhci_actual_length(td->status) < uhci_expected_length(td->info) ||
+ if ((!(td->status & TD_CTRL_ACTIVE) &&
+ (uhci_actual_length(td->status) < uhci_expected_length(td->info))
+||
tmp == head)) {
usb_settoggle(urb->dev, uhci_endpoint(td->info),
uhci_packetout(td->info),
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