From 4e130cf6a83193218e357e6db49a7ade24ab9675 Mon Sep 17 00:00:00 2001 From: Gonglei Date: Wed, 4 Jun 2014 16:31:51 +0800 Subject: [PATCH] usb-ehci: add ehci unrealize funciton cleanup ehci controller resource, both pci and sysbus if they're necessary. Signed-off-by: Gonglei Signed-off-by: Gerd Hoffmann --- hw/usb/hcd-ehci.c | 25 +++++++++++++++++++++++++ hw/usb/hcd-ehci.h | 1 + 2 files changed, 26 insertions(+) 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) -- 2.11.4.GIT