lkml.org 
[lkml]   [2008]   [Nov]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86 - Make CONFIG_OLPC dependent on CONFIG_MGEODE_LX
At Thu, 13 Nov 2008 16:37:14 +0100,
Pavel Machek wrote:
>
>
> > > > > > but what we really need to
> > > > > > do is to make geode_gpio* defined even when we're not specifically
> > > > > > building with MGEODE_LX. I'm not sure how best to do that, but the
> > > > > > answer probably includes using the generic x86 gpio api.
> > > > >
> > > > > This probably needs to be done as a precondition for getting the alsa
> > > > > changes merged or the alsa changes need to have the bits which depend on
> > > > > geode_gpio ripped out until it can be done.
> > > >
> > > > Then let's stop inclusion of asm/geode.h from asm/olpc.h at first.
> > > > Any driver codes including asm/geode.h can be broken potentially
> > > > without a proper dependency.
> > >
> > > Yes, but having a driver dependent on building for a specific x86
> > > variant is quite wrong.
> >
> > Not so. Many drivers are very hardware-specific, and they are (must
> > be) based on certain architectures and platforms. Look at a bunch of
> > drivers based on ARM-variants, for example.
>
> No.
>
> It should be possible to compile kernel for i386 and have it run on
> OLPC. This breaks it.

I just meant about drivers specific to an architecture/platform
variant are normal in general. I don't insist of my bloody fix as the
best solution at all.

> CPU type is optimalization option, only.
>
> > 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


\
 
 \ /
  Last update: 2008-11-13 16:57    [W:0.101 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site