diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-10-26 13:09:56 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-11-01 13:10:09 +0100 |
| commit | 0bc85da69e01f25c27f575ef0d57d29be4154d71 (patch) | |
| tree | a0bd2e9896acaa017012beb9016b21ab82f87790 | |
| parent | 4f47f0f82eccbda44bac929df94fa244bf3452bd (diff) | |
| download | qemu-0bc85da69e01f25c27f575ef0d57d29be4154d71.tar.gz | |
xhci: allow address slot being called multiple times
win8 guests do that for some reason ...
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | hw/usb/hcd-xhci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 325963882d..900abf5566 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -483,6 +483,8 @@ enum xhci_flags { static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid); +static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, + unsigned int epid); static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); @@ -1075,8 +1077,7 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, slot = &xhci->slots[slotid-1]; if (slot->eps[epid-1]) { - fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid); - return CC_TRB_ERROR; + xhci_disable_ep(xhci, slotid, epid); } epctx = g_malloc(sizeof(XHCIEPContext)); @@ -1919,6 +1920,9 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, } for (i = 0; i < xhci->numslots; i++) { + if (i == slotid-1) { + continue; + } if (xhci->slots[i].uport == uport) { fprintf(stderr, "xhci: port %s already assigned to slot %d\n", uport->path, i+1); @@ -1936,6 +1940,7 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, slot->devaddr = xhci->devaddr++; slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; DPRINTF("xhci: device address is %d\n", slot->devaddr); + usb_device_reset(dev); usb_device_handle_control(dev, NULL, DeviceOutRequest | USB_REQ_SET_ADDRESS, slot->devaddr, 0, 0, NULL); |