static int node_probe(struct device *dev)
{
struct unit_directory *ud =
container_of(dev, struct unit_directory, device);
struct firedtv *fdtv;
int kv_len, err;
void *kv_str;
if (ud->model_name_kv) {
kv_len = (ud->model_name_kv->value.leaf.len - 2) * 4;
kv_str = CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv);
} else {
kv_len = 0;
kv_str = NULL;
}
fdtv = fdtv_alloc(dev, &fdtv_1394_backend, kv_str, kv_len);
if (!fdtv)
return -ENOMEM;
/*
* Work around a bug in udev's path_id script: Use the fw-host's dev
* instead of the unit directory's dev as parent of the input device.
*/
err = fdtv_register_rc(fdtv, dev->parent->parent);
if (err)
goto fail_free;
spin_lock_irq(&node_list_lock);
list_add_tail(&fdtv->list, &node_list);
spin_unlock_irq(&node_list_lock);
err = avc_identify_subunit(fdtv);
if (err)
goto fail;
err = fdtv_dvb_register(fdtv);
if (err)
goto fail;
avc_register_remote_control(fdtv);
return 0;
fail:
spin_lock_irq(&node_list_lock);
list_del(&fdtv->list);
spin_unlock_irq(&node_list_lock);
fdtv_unregister_rc(fdtv);
fail_free:
kfree(fdtv);
return err;
}
static int node_remove(struct device *dev)
{
struct firedtv *fdtv = dev_get_drvdata(dev);
fdtv_dvb_unregister(fdtv);
spin_lock_irq(&node_list_lock);
list_del(&fdtv->list);
spin_unlock_irq(&node_list_lock);
fdtv_unregister_rc(fdtv);
kfree(fdtv);
return 0;
}
static int node_remove(struct device *dev)
{
struct firedtv *fdtv = dev->driver_data;
fdtv_dvb_unregister(fdtv);
spin_lock_irq(&node_list_lock);
list_del(&fdtv->list);
spin_unlock_irq(&node_list_lock);
cancel_work_sync(&fdtv->remote_ctrl_work);
fdtv_unregister_rc(fdtv);
kfree(fdtv);
return 0;
}
