linux-kernel - Re: [PATCH] ALSA: cs5535audio: only build OLPC support if MGEODE

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Date:	Thu, 13 Nov 2008 17:31:59 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	Pavel Machek <pavel@...e.cz>, Jeremy Katz <katzj@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jordan Crouse <jordan.crouse@....com>,
	linux-kernel@...r.kernel.org, dsaxena@...top.org
Subject: Re: [PATCH] ALSA: cs5535audio: only build OLPC support if MGEODE_LX is defined

At Thu, 13 Nov 2008 11:14:28 -0500,
Andres Salomon wrote:
> 
> On Thu, 13 Nov 2008 16:54:19 +0100
> Takashi Iwai <tiwai@...e.de> wrote:
> 
> > At Thu, 13 Nov 2008 16:37:14 +0100,
> > Pavel Machek wrote:
> [...]
> > > 
> > > > IMO, the basic problem is rather that the platform and the CPU
> > > > selection is mixed up.  The geode GPIO stuff shouldn't belong to
> > > > CPU selection.
> > > 
> > > ACK... and suggested patch makes it worse.
> > > 
> > > There should be option 'support OLPC' somewhere, and that should
> > > enable the gpio bits. Alsa driver should depend on that one.
> > 
> > Any better fix patch is welcome, of course :)
> > This would make save a lot time than writing mails...
> > 
> > 
> > thanks,
> > 
> > Takashi
> 
> 
> Okay, how about something like the following?

Actually, this is exactly what I made at first.
But, as asm/olpc.h is already dependent on GEODE, I decided to fix
rather CONFIG_OLPC.

Basically I'm OK with this workaround, *BUT* I don't want to hold this
hack for too long, thus I won't take it to ALSA tree.  This should be
sorted out by Kconfig.

So, please don't stop at this point but keep fixing Kconfig to make
everyone happy :)


thanks,

Takashi


> 
> This is a temporary work-around until the geode_gpio* calls are moved out
> into a separate config option.  We don't want to force generic kernel
> maintainers to have to build a specific OLPC kernel.
>
> Signed-off-by: Andres Salomon <dilinger@...ian.org>
> ---
>  sound/pci/cs5535audio/Makefile |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/pci/cs5535audio/Makefile b/sound/pci/cs5535audio/Makefile
> index ccc6422..fda7a94 100644
> --- a/sound/pci/cs5535audio/Makefile
> +++ b/sound/pci/cs5535audio/Makefile
> @@ -4,7 +4,9 @@
>  
>  snd-cs5535audio-y := cs5535audio.o cs5535audio_pcm.o
>  snd-cs5535audio-$(CONFIG_PM) += cs5535audio_pm.o
> +ifdef CONFIG_MGEODE_LX
>  snd-cs5535audio-$(CONFIG_OLPC) += cs5535audio_olpc.o
> +endif
>  
>  # Toplevel Module Dependency
>  obj-$(CONFIG_SND_CS5535AUDIO) += snd-cs5535audio.o
> -- 
> 1.5.6.5
> 
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