dev->board_name = dev->driver->driver_name;
- ret = alloc_private(dev, sizeof(*devpriv));
- if (ret)
- return ret;
- devpriv = dev->private;
+ devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
+ if (!devpriv)
+ return -ENOMEM;
+ dev->private = devpriv;
/* set default amplitude and period */
if (amplitude <= 0)