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authorGonglei <arei.gonglei@huawei.com>2014-06-04 16:31:51 +0800
committerGerd Hoffmann <kraxel@redhat.com>2014-08-29 12:52:14 +0200
commit4e130cf6a83193218e357e6db49a7ade24ab9675 (patch)
treec90ab57aa51f1a4e32de526a9c10ed986d4a450c /hw/usb
parent05a36991c54e32a95d096337fa008938340878d3 (diff)
usb-ehci: add ehci unrealize funciton
cleanup ehci controller resource, both pci and sysbus if they're necessary. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/hcd-ehci.c25
-rw-r--r--hw/usb/hcd-ehci.h1
2 files changed, 26 insertions, 0 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index ef26f36d33..2aa06bb18b 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -2471,6 +2471,31 @@ void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp)
s->vmstate = qemu_add_vm_change_state_handler(usb_ehci_vm_state_change, s);
}
+void usb_ehci_unrealize(EHCIState *s, DeviceState *dev, Error **errp)
+{
+ if (s->frame_timer) {
+ timer_del(s->frame_timer);
+ timer_free(s->frame_timer);
+ s->frame_timer = NULL;
+ }
+ if (s->async_bh) {
+ qemu_bh_delete(s->async_bh);
+ }
+
+ ehci_queues_rip_all(s, 0);
+ ehci_queues_rip_all(s, 1);
+
+ memory_region_del_subregion(&s->mem, &s->mem_caps);
+ memory_region_del_subregion(&s->mem, &s->mem_opreg);
+ memory_region_del_subregion(&s->mem, &s->mem_ports);
+
+ usb_bus_release(&s->bus);
+
+ if (s->vmstate) {
+ qemu_del_vm_change_state_handler(s->vmstate);
+ }
+}
+
void usb_ehci_init(EHCIState *s, DeviceState *dev)
{
/* 2.2 host controller interface version */
diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h
index 594d9d30e9..4858b7e80c 100644
--- a/hw/usb/hcd-ehci.h
+++ b/hw/usb/hcd-ehci.h
@@ -323,6 +323,7 @@ extern const VMStateDescription vmstate_ehci;
void usb_ehci_init(EHCIState *s, DeviceState *dev);
void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp);
+void usb_ehci_unrealize(EHCIState *s, DeviceState *dev, Error **errp);
#define TYPE_PCI_EHCI "pci-ehci-usb"
#define PCI_EHCI(obj) OBJECT_CHECK(EHCIPCIState, (obj), TYPE_PCI_EHCI)