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[Qemu-devel] [PATCH 1/6] usb: add usb_bus_release function
From: |
arei.gonglei |
Subject: |
[Qemu-devel] [PATCH 1/6] usb: add usb_bus_release function |
Date: |
Fri, 30 May 2014 20:22:17 +0800 |
From: Gonglei <address@hidden>
add global variables releasing logic when the usb buses
were removed or hot-unpluged.
Signed-off-by: Gonglei <address@hidden>
---
hw/usb/bus.c | 8 ++++++++
include/hw/usb.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index 927a47b..e65f272 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -87,6 +87,14 @@ void usb_bus_new(USBBus *bus, size_t bus_size,
QTAILQ_INSERT_TAIL(&busses, bus, next);
}
+void usb_bus_release(USBBus *bus)
+{
+ assert(next_usb_bus > 0);
+
+ next_usb_bus--;
+ QTAILQ_REMOVE(&busses, bus, next);
+}
+
USBBus *usb_bus_find(int busnr)
{
USBBus *bus;
diff --git a/include/hw/usb.h b/include/hw/usb.h
index 1919bdc..f0f9e73 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -523,6 +523,7 @@ struct USBBusOps {
void usb_bus_new(USBBus *bus, size_t bus_size,
USBBusOps *ops, DeviceState *host);
+void usb_bus_release(USBBus *bus);
USBBus *usb_bus_find(int busnr);
void usb_legacy_register(const char *typename, const char *usbdevice_name,
USBDevice *(*usbdevice_init)(USBBus *bus,
--
1.7.12.4
- [Qemu-devel] [PATCH 0/6] usb: usb host adapter hotplug, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 3/6] usb-uhci: clean up uhci resource when pci-uhci exit, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 1/6] usb: add usb_bus_release function,
arei.gonglei <=
- [Qemu-devel] [PATCH 2/6] usb-ohci: add exit function, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 5/6] usb-xhci: add exit function, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 4/6] usb-ehci-pci: add exit function, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 6/6] usb: tag usb host controller as hotpluggable, arei.gonglei, 2014/05/30