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xhci: allow address slot being called multiple times

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win8 guests do that for some reason ...

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-10-26 13:09:56 +02:00
parent 4f47f0f82e
commit 0bc85da69e
1 changed files with 7 additions and 2 deletions
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9
hw/usb/hcd-xhci.c
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@ -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);