[alsa-devel] [PATCH] pinctrl: lochnagar: select GPIOLIB

Arnd Bergmann arnd at arndb.de
Tue Jan 7 11:39:01 CET 2020


On Tue, Jan 7, 2020 at 10:45 AM Linus Walleij <linus.walleij at linaro.org> wrote:
> On Wed, Dec 18, 2019 at 5:37 PM Arnd Bergmann <arnd at arndb.de> wrote:
> > I wonder if GPIOLIB should just become mandatory when enabling the pinctrl
> > subsystem, or if there are still good reasons for leaving it disabled
> > on any machine that uses CONFIG_PINCTRL.
>
> Hm that is a tricky question, they almost always come in pair but are
> technically speaking separate subsystems.

I think there are a number of use cases for GPIOLIB drivers without PINCTRL, but
are there any examples of the reverse?

       Arnd


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