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usb: Replace device_destroy bus op with a child_detach port op

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Note this fixes 2 things in one go, first of all the device_destroy bus
op should be a device_detach bus op, as pending async packets from the
device should be cancelled on detach not on destroy.

Secondly having this as a bus op won't work with companion controllers, since
then there will be 1 bus driven by the ehci controller and thus 1 set of bus
ops, but the device being detached may be downstream of a handed over port.
Making the detach of a downstream device a port op allows the ehci controller
to forward this to the companion controller port for handed over ports.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2011-06-24 12:31:11 +02:00 • committed by Gerd Hoffmann
parent d47e59b8b8
commit 4706ab6cc0
8 changed files with 69 additions and 29 deletions
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9
hw/milkymist-softusb.c
View file

@ -247,16 +247,21 @@ static void softusb_attach(USBPort *port)
{
}
static void softusb_device_destroy(USBBus *bus, USBDevice *dev)
static void softusb_detach(USBPort *port)
{
}
static void softusb_child_detach(USBPort *port, USBDevice *child)
{
}
static USBPortOps softusb_ops = {
.attach = softusb_attach,
.detach = softusb_detach,
.child_detach = softusb_child_detach,
};
static USBBusOps softusb_bus_ops = {
.device_destroy = softusb_device_destroy,
};
static void milkymist_softusb_reset(DeviceState *d)