On Sun, 20 May 2007, Satyam Sharma wrote:
> On 5/20/07, Adrian Bunk <[email protected]> wrote:
> > On Sun, May 20, 2007 at 05:25:24AM +0530, Satyam Sharma wrote:
> > > On 5/20/07, Adrian Bunk <[email protected]> wrote:
> > >> On Sun, May 20, 2007 at 05:06:33AM +0530, Satyam Sharma wrote:
> > >> > On 5/20/07, Adrian Bunk <[email protected]> wrote:
> > >> There are cases where "default .. if .." is the right idiom, but there
> > >> are also cases where "select" is the right idiom. And for helper code
> > >> like ATARI_KBD_CORE, "select" is the right idiom.
> > >
> > > ATARI_KBD_CORE, unlike MII, is defined only by some archs. And the
> > > correct (most widely used or standard, in any case) idiom for that is
> > > "default .. if ..". Or perhaps you can convert those helper code options in
> > > arch/.../config's over to select too, as an exercise? :-)
> >
> > Perhaps not as an exercise, but actually for real.
> >
> > We had "fixed" such warnings in the past similar to your patch, but that
> > was actually a mistake.
> >
> > And "correct" can easily be the opposite of "most widely used or standard"
> > if you discover that you did it wrong in the past.
>
> In that case the correct approach here too would be to _shift_
> ATARI_KBD_CORE from arch/m68k/Kconfig to drivers/input/Kconfig
> and *then* use "select" from the config options that require it in
> drivers/input/keyboard/Kconfig and drivers/input/mouse/Kconfig
>
> (and repeat for other such cases in arch/...)
You don't need a huge '||' chain, you can always have more than one default
line:
config ATARI_KBD_CORE
bool
default y if KEYBOARD_ATARI
default y if MOUSE_ATARI
Basically a line "config A \n select B" is transformed into "config B \n
default y if A". It's the same number of lines, they're just in a new place.
Another alternative would be to shift the arch specific drivers to a file
that's arch specific. e.g. move MOUSE_ATARI from drivers/input/mouse/Kconfig
to arch/m68k/Kconfig.
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