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authorGerd Hoffmann <kraxel@redhat.com>2014-02-06 12:03:59 +0100
committerGerd Hoffmann <kraxel@redhat.com>2014-02-18 15:39:13 +0100
commit786ad214c72226fa5bd4ebf18aeb4c6b54d3ba80 (patch)
tree5ea2ef50b98307b68b87f1e879392d2f4ca4a4be /hw/usb
parentc348e481759057c925cce4bf54336f1518b8c702 (diff)
xhci iso: fix time calculation
Frameid specifies frames not microframes, so we need to shift it to get the microframe index. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/hcd-xhci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 8d9cfe8810..706cdc732a 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1974,8 +1974,8 @@ static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
xfer->mfindex_kick = asap;
}
} else {
- xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)
- & TRB_TR_FRAMEID_MASK;
+ xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)
+ & TRB_TR_FRAMEID_MASK) << 3;
xfer->mfindex_kick |= mfindex & ~0x3fff;
if (xfer->mfindex_kick < mfindex) {
xfer->mfindex_kick += 0x4000;