On Tue, Nov 13, 2012 at 10:35:34AM +0100, Marek Szyprowski wrote:

> +	if (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)
> +		return rdev->desc->n_voltages ? rdev->desc->n_voltages :
> +		       -EINVAL;

The idea here was to avoid the ternery operator completely.