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Bug #757654: UHCI fails to signal stall response patch

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UHCI host controller status register indicates error and
an interrupt is triggered on BABBLE and STALL errors.

Signed-off-by: Jan Vesely <jano.vesely@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Jan Vesely 2011-05-09 12:16:50 +02:00 committed by Gerd Hoffmann
parent 6e625fc704
commit 8656954aed
1 changed files with 4 additions and 0 deletions
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4
hw/usb-uhci.c
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@ -702,11 +702,15 @@ out:
case USB_RET_STALL:
td->ctrl |= TD_CTRL_STALL;
td->ctrl &= ~TD_CTRL_ACTIVE;
s->status |= UHCI_STS_USBERR;
uhci_update_irq(s);
return 1;
case USB_RET_BABBLE:
td->ctrl |= TD_CTRL_BABBLE | TD_CTRL_STALL;
td->ctrl &= ~TD_CTRL_ACTIVE;
s->status |= UHCI_STS_USBERR;
uhci_update_irq(s);
/* frame interrupted */
return -1;