registration_controller.rb

class RegistrationsController < Devise::RegistrationsController
	before_filter :configure_permitted_parameters, if: :devise_controller?

	#def new
    #flash[:error] = 'Registrations are not open yet, but please check back soon'
  #  nil
  #  render 'static_pages/_sign_up_not_allowed'
  #end
	
	private

	def sign_up_params
		params.require(resource_name).permit(:all_params_here)
	end

	def account_update_params
		params.require(resource_name).permit(:all_params_here)
	end
end

routes.rb

devise_for :users, controllers: {registrations: 'registrations'}