parport_unregister_device(dev);
}
-/**
- * parport_device_num - convert device coordinates
- * @parport: parallel port number
- * @mux: multiplexor port number (-1 for no multiplexor)
- * @daisy: daisy chain address (-1 for no daisy chain address)
- *
- * This tries to locate a device on the given parallel port,
- * multiplexor port and daisy chain address, and returns its
- * device number or %-ENXIO if no device with those coordinates
- * exists.
- **/
-
-int parport_device_num(int parport, int mux, int daisy)
-{
- int res = -ENXIO;
- struct daisydev *dev;
-
- spin_lock(&topology_lock);
- dev = topology;
- while (dev && dev->port->portnum != parport &&
- dev->port->muxport != mux && dev->daisy != daisy)
- dev = dev->next;
- if (dev)
- res = dev->devnum;
- spin_unlock(&topology_lock);
-
- return res;
-}
-
/* Send a daisy-chain-style CPP command packet. */
static int cpp_daisy(struct parport *port, int cmd)
{