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Re: [Qemu-devel] Bug #757654: UHCI fails to signal stall response patch
From: |
Jan Vesely |
Subject: |
Re: [Qemu-devel] Bug #757654: UHCI fails to signal stall response patch |
Date: |
Mon, 9 May 2011 12:16:50 +0200 |
UHCI host controller status register indicates error and
an interrupt is triggered on BABBLE and STALL errors.
Signed-off-by: Jan Vesely <address@hidden>
---
hw/usb-uhci.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index a65e0b3..1e9c1e7 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -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;
--
1.7.3.4