linux-kernel - Re: [PATCH] Add Kconfig dependency !VT for VIOCONS

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Date:	Tue, 10 Oct 2006 06:55:34 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Judith Lebzelter <judith@...l.org>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add Kconfig dependency !VT for VIOCONS

On Fri, Oct 06, 2006 at 02:34:37PM -0700, Randy Dunlap wrote:
> On Fri, 6 Oct 2006 13:00:07 -0700 Judith Lebzelter wrote:
> 
> > Actually, this gets rid of the CONFIG_VIOCONS from my .config, but 
> > then I get another warning when I build:
> > 
> > Warning! Found recursive dependency: VT VIOCONS VT
> > 
> > Can anyone suggest something?
> 
> I think that your patch is mostly good/correct, but one more line
> is needed on the VT side:  a deletion.
> 
> This works for me:
> 
> From: Randy Dunlap <rdunlap@...otime.net>
> 
> Make allmodconfig .config build successfully by making VIOCONS
> available only if VT=n.  VT need not check VIOCONS.
> 
> Signed-off-by: Randy Dunlap <rdunlap@...otime.net>
> ---
>  arch/powerpc/platforms/iseries/Kconfig |    2 +-
>  drivers/char/Kconfig                   |    1 -
>  2 files changed, 1 insertion(+), 2 deletions(-)
> 
> --- linux-2619-rc1g2.orig/arch/powerpc/platforms/iseries/Kconfig
> +++ linux-2619-rc1g2/arch/powerpc/platforms/iseries/Kconfig
> @@ -3,7 +3,7 @@ menu "iSeries device drivers"
>  	depends on PPC_ISERIES
>  
>  config VIOCONS
> -	tristate "iSeries Virtual Console Support (Obsolete)"
> +	tristate "iSeries Virtual Console Support (Obsolete)" if !VT
>  	help
>...
>  config VT
>  	bool "Virtual terminal" if EMBEDDED

With this dependency on EMBEDDED, you could as well simply remove 
VIOCONS...

>  	select INPUT
> -	default y if !VIOCONS

Removing the "default y" is wrong.

>  	---help---
>  	  If you say Y here, you will get support for terminal devices with
>  	  display and keyboard devices. These are called "virtual" because you
>...
> ~Randy

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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