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Re: [PATCH] MIPS: Fixups of ALSA memory maps

To: wuzhangjin@gmail.com
Subject: Re: [PATCH] MIPS: Fixups of ALSA memory maps
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 23 Nov 2009 09:56:39 +0100
Cc: Ralf Baechle <ralf@linux-mips.org>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Jaroslav Kysela <perex@perex.cz>, alsa-devel@alsa-project.org, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
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At Sat, 21 Nov 2009 20:31:41 +0800,
Wu Zhangjin wrote:
> 
> On Wed, 2009-11-18 at 18:47 +0100, Takashi Iwai wrote:
> [...]
> > 
> > Well, we haven't reached the consensus.  The discussion faded away
> > somehow mainly because I had too little time to update and ping people
> > again.
> > 
> > In Tokyo, I talked with some guys regarding this.  Ben agreed to take
> > this approach for ppc, and David said that he doesn't mind for sparc
> > part.   Fujita-san mentioned it's no big problem to add one op from
> > the generic dma_ops.
> > 
> > So, maybe somehow need to convince James in the end (and ask Paul to
> > check SH part, too), then it'll be all up... theoretically :)
> > 
> > Anyway, I'm going to raise the discussion again on linux-arch.
> > I'm afraid it's a bit too late game for 2.6.33, but starting now is
> > better than too late again.
> 
> Hi, Takashi Iwai
> 
> Before the API stuff going into the mainline(2.6.33), can we apply this
> "[PATCH] MIPS: Fixups of ALSA memory maps"(This is the minimal
> necessares) as a current fixup. and then we will not get a broken sound
> support for MIPS, and also the support to the latest Loongson2F family
> machines will benefit from it.
> 
> and Ralf, what about your suggestion?

The question is whether this hack can be safely added for all MIPS
platforms just by checking kconfig.  I had an impression that rather
many things have to be checked in the runtime.

As I have really little clue about MIPS architecture, I'd like let
MIPS guys decide about it...


thanks,

Takashi

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