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SubjectRe: [patch] 2.6.0-test5: serio config broken?
On Wed, Sep 10, 2003 at 07:06:11PM +0200, Adrian Bunk wrote:
> On Wed, Sep 10, 2003 at 08:55:42AM -0700, Tom Rini wrote:
> >...
> > > --- linux-2.6.0-test4-mm5-modular-no-smp/drivers/input/keyboard/Kconfig.old 2003-09-04 19:03:45.000000000 +0200
> > > +++ linux-2.6.0-test4-mm5-modular-no-smp/drivers/input/keyboard/Kconfig 2003-09-04 19:04:49.000000000 +0200
> > > @@ -13,7 +13,8 @@
> > >
> > > config KEYBOARD_ATKBD
> > > tristate "AT keyboard support" if EMBEDDED || !X86
> > > - default y
> > > + default y if INPUT=y && INPUT_KEYBOARD=y && SERIO=y
> > > + default m
> > > depends on INPUT && INPUT_KEYBOARD && SERIO
> > > help
> > > Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
> > > --- linux-2.6.0-test5+tr-modular-no-smp/drivers/input/serio/Kconfig.old 2003-09-10 12:52:22.000000000 +0200
> > > +++ linux-2.6.0-test5+tr-modular-no-smp/drivers/input/serio/Kconfig 2003-09-10 12:52:47.000000000 +0200
> > > @@ -20,7 +20,8 @@
> > >
> > > config SERIO_I8042
> > > tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
> > > - default y
> > > + default y if SERIO=y
> > > + default m
> > > depends on SERIO
> > > ---help---
> > > i8042 is the chip over which the standard AT keyboard and PS/2
> >
> > A slightly better fix is for SERIO to default to Y on X86 and to
> > 'select SERIO_I8042 if X86'. Then have INPUT_KEYBOARD similarly select
> > KEYBOARD_ATKBD.
> >...
>
> That wouldn't be needed. AFAIK there are _no_ problems if SERIO=y, the
> select you suggest is already implemented the other way round.

The problem is that SERIO==y means that SERIO_I8042 must be Y, as you
ran into. If you have SERIO only asked on EMBEDDED || !X86, and on
similar conditions you then select SERIO_I8042, it just works.
> If SERIO is always y if !EMBEDDED || X86 my patch wouldn't be needed.

Correct. I was suggesting that you do:
tristate "Serial i/o support (needed for keyboard and mouse)" if
!EMBEDDED || !X86 (or so)
select SERIO_I8042 if X86 && !EMBEDDED
and then remove the conditions on SERIO_I8042, which puts all of the
auto-select-this magic in one spot.

--
Tom Rini
http://gate.crashing.org/~trini/
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