Hi,
regarding this piece of code:
spin_lock_irqsave (&ehci->lock, flags);
switch (usb_pipetype (urb->pipe)) {
// case PIPE_CONTROL:
// case PIPE_BULK:
default:
qh = (struct ehci_qh *) urb->hcpriv;
if (!qh)
break;
while (qh->qh_state == QH_STATE_LINKED
&& ehci->reclaim
&& HCD_IS_RUNNING (ehci->hcd.state)
) {
spin_unlock_irqrestore (&ehci->lock, flags);
if (maybe_irq) {
if (in_interrupt ())
return -EAGAIN;
maybe_irq = 0;
Does this mean that any call to usb_unlink_urb() for an URB on EHCI
with a spinlock held will fail?
Regards
Oliver
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