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usb-xhci: add exit function 

clean up xhci resource when xhci pci device exit.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gonglei 2014-06-04 16:31:53 +08:00 committed by Gerd Hoffmann
parent 96e14926c6
commit 53c30545fb
1 changed files with 36 additions and 0 deletions
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36
hw/usb/hcd-xhci.c
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@ -3644,6 +3644,41 @@ static int usb_xhci_initfn(struct PCIDevice *dev)
return 0;
}
static void usb_xhci_exit(PCIDevice *dev)
{
int i;
XHCIState *xhci = XHCI(dev);
for (i = 0; i < xhci->numslots; i++) {
xhci_disable_slot(xhci, i + 1);
}
if (xhci->mfwrap_timer) {
timer_del(xhci->mfwrap_timer);
timer_free(xhci->mfwrap_timer);
xhci->mfwrap_timer = NULL;
}
memory_region_del_subregion(&xhci->mem, &xhci->mem_cap);
memory_region_del_subregion(&xhci->mem, &xhci->mem_oper);
memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime);
memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell);
for (i = 0; i < xhci->numports; i++) {
XHCIPort *port = &xhci->ports[i];
memory_region_del_subregion(&xhci->mem, &port->mem);
}
/* destroy msix memory region */
if (dev->msix_table && dev->msix_pba
&& dev->msix_entry_used) {
memory_region_del_subregion(&xhci->mem, &dev->msix_table_mmio);
memory_region_del_subregion(&xhci->mem, &dev->msix_pba_mmio);
}
usb_bus_release(&xhci->bus);
}
static int usb_xhci_post_load(void *opaque, int version_id)
{
XHCIState *xhci = opaque;
@ -3836,6 +3871,7 @@ static void xhci_class_init(ObjectClass *klass, void *data)
dc->hotpluggable = false;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
k->init = usb_xhci_initfn;
k->exit = usb_xhci_exit;
k->vendor_id = PCI_VENDOR_ID_NEC;
k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
k->class_id = PCI_CLASS_SERIAL_USB;