*
* @dev: ptr to pdev of the feature device which has the sub feature.
* @id: sub feature id.
- * @revision: revisition of the instance of a feature.
+ * @revision: revision of this sub feature.
* @resource_index: each sub feature has one mmio resource for its registers.
* this index is used to find its mmio resource from the
* feature dev (platform device)'s resources.