static int talk_to_otherend(struct xenbus_device *dev)
{
struct xenbus_driver *drv = to_xenbus_driver(dev->dev.driver);
free_otherend_watch(dev);
free_otherend_details(dev);
return drv->read_otherend_details(dev);
}
int xenbus_dev_remove(struct device *_dev)
{
struct xenbus_device *dev = to_xenbus_device(_dev);
struct xenbus_driver *drv = to_xenbus_driver(_dev->driver);
DPRINTK("%s", dev->nodename);
free_otherend_watch(dev);
free_otherend_details(dev);
if (drv->remove)
drv->remove(dev);
xenbus_switch_state(dev, XenbusStateClosed);
return 0;
}
int
talk_to_otherend(struct xenbus_device *dev)
{
int err;
free_otherend_watch(dev);
free_otherend_details(dev);
if (dev->frontend)
err = read_backend_details(dev);
else
err = read_frontend_details(dev);
if (err)
return (err);
dev->otherend_watch.dev = dev;
return (xenbus_watch_path2(dev, dev->otherend, "state",
&dev->otherend_watch, otherend_changed));
}
