diff options
author | Gonglei <arei.gonglei@huawei.com> | 2014-06-04 16:31:51 +0800 |
---|---|---|
committer | Gerd Hoffmann <kraxel@redhat.com> | 2014-08-29 12:52:14 +0200 |
commit | 4e130cf6a83193218e357e6db49a7ade24ab9675 (patch) | |
tree | c90ab57aa51f1a4e32de526a9c10ed986d4a450c /hw/usb | |
parent | 05a36991c54e32a95d096337fa008938340878d3 (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.c | 25 | ||||
-rw-r--r-- | hw/usb/hcd-ehci.h | 1 |
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) |