[PATCH v8 08/12] pinctrl: single: set function mask as optional

[Tony Lindgren]

* Haojian Zhuang <haojian.zhuang at linaro.org> [130211 09:15]:
> Since Hisilicon's pin controller is divided into two parts. One is the
> function mux, and the other is pin configuration. These two parts are
> in the different memory regions. So make pinctrl-single,function-mask
> as optional property. Then we can define pingroups without valid
> function mux that is only used for pin configuration.

Looks OK to me:

Acked-by: Tony Lindgren <tony at atomide.com>