Re: [PATCH v2 1/2] kconfig.h: Add IF_ENABLED() macro

[Arnd Bergmann <arnd@xxxxxxxxxx>]

On Mon, Jan 11, 2021 at 9:45 AM Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:
>
> Hi,
>
> Le lun. 14 déc. 2020 à 10:05, Linus Walleij
> <linus.walleij@xxxxxxxxxx> a écrit :
> > On Mon, Dec 14, 2020 at 12:54 AM Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> > wrote:
> >
> >>  IF_ENABLED(CONFIG_FOO, ptr) evaluates to (ptr) if CONFIG_FOO is set
> >> to 'y'
> >>  or 'm', NULL otherwise. The (ptr) argument must be a pointer.
> >>
> >>  The IF_ENABLED() macro can be very useful to help GCC drop dead
> >> code.

Looks great! Thanks a lot for getting this sorted.

> > I can apply this with the other patch to the pinctrl subsystem if
> > Arnd or someone else who is good at KConfig provides an ACK.

Yes, please do.

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>