Merge 3.12-rc3 into usb-next

We want the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2013-09-29 18:45:55 -07:00
230 changed files with 2350 additions and 1250 deletions

View File

@@ -216,31 +216,26 @@ static int ohci_urb_enqueue (
frame &= ~(ed->interval - 1);
frame |= ed->branch;
urb->start_frame = frame;
ed->last_iso = frame + ed->interval * (size - 1);
}
} else if (ed->type == PIPE_ISOCHRONOUS) {
u16 next = ohci_frame_no(ohci) + 1;
u16 frame = ed->last_iso + ed->interval;
u16 length = ed->interval * (size - 1);
/* Behind the scheduling threshold? */
if (unlikely(tick_before(frame, next))) {
/* USB_ISO_ASAP: Round up to the first available slot */
/* URB_ISO_ASAP: Round up to the first available slot */
if (urb->transfer_flags & URB_ISO_ASAP) {
frame += (next - frame + ed->interval - 1) &
-ed->interval;
/*
* Not ASAP: Use the next slot in the stream. If
* the entire URB falls before the threshold, fail.
* Not ASAP: Use the next slot in the stream,
* no matter what.
*/
} else {
if (tick_before(frame + ed->interval *
(urb->number_of_packets - 1), next)) {
retval = -EXDEV;
usb_hcd_unlink_urb_from_ep(hcd, urb);
goto fail;
}
/*
* Some OHCI hardware doesn't handle late TDs
* correctly. After retiring them it proceeds
@@ -251,9 +246,16 @@ static int ohci_urb_enqueue (
urb_priv->td_cnt = DIV_ROUND_UP(
(u16) (next - frame),
ed->interval);
if (urb_priv->td_cnt >= urb_priv->length) {
++urb_priv->td_cnt; /* Mark it */
ohci_dbg(ohci, "iso underrun %p (%u+%u < %u)\n",
urb, frame, length,
next);
}
}
}
urb->start_frame = frame;
ed->last_iso = frame + length;
}
/* fill the TDs and link them to the ed; and