// this method will override the Platform specific implementation of joinPMtree
// it will cause any IOUSBDevice and IOUSBInterface clients to join the IOPower tree as
// children of the IOUSHubPolicyMaker for the hub to which they are attached
void
IOUSBNub::joinPMtree ( IOService * driver )
{
IOUSBHubPolicyMaker *hubPolicyMaker = NULL;
IOUSBDevice *device = OSDynamicCast(IOUSBDevice, this);
IOUSBInterface *interface = NULL;
// we should be either an IOUSBDevice or an IOUSBInterface
if (device)
hubPolicyMaker = device->GetHubParent();
else
{
interface = OSDynamicCast(IOUSBInterface, this);
if (interface && interface->GetDevice())
hubPolicyMaker = interface->GetDevice()->GetHubParent();
}
if (hubPolicyMaker)
{
hubPolicyMaker->joinPMtree(driver);
}
else
{
USBLog(1, "%s[%p]::joinPMtree - no hub policy maker - calling through to super::joinPMtree", getName(), this);
super::joinPMtree(driver);
}
}
bool HoRNDISUSBInterface::start(IOService *provider) {
IOUSBInterface *intf;
intf = OSDynamicCast(IOUSBInterface, provider);
if (!intf) {
LOG(V_ERROR, "cast to IOUSBInterface failed?");
return false;
}
fpDevice = intf->GetDevice();
return HoRNDIS::start(provider);
}
