linux-kernel - Re: ALSA & missing dma_*

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Message-ID: <20070726125834.GA4041@uranus.ravnborg.org>
Date:	Thu, 26 Jul 2007 14:58:34 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Meelis Roos <mroos@...ux.ee>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	sparclinux@...r.kernel.org
Subject: Re: ALSA & missing dma_*_coherent on sparc32

On Thu, Jul 26, 2007 at 02:15:43PM +0200, Takashi Iwai wrote:
> At Thu, 26 Jul 2007 15:02:51 +0300 (EEST),
> Meelis Roos wrote:
> > 
> > > > ERROR: "dma_free_coherent" [sound/core/snd-page-alloc.ko] undefined!
> > > > ERROR: "dma_alloc_coherent" [sound/core/snd-page-alloc.ko] undefined!
> > > 
> > > Could you show .config?  Does it have CONFIG_HAS_DMA?
> > 
> > No, CONFIG_NO_DMA=y - and this was recently changed on sparc32 IIRC.
> 
> OK, then could you try the patch below?

Hi Takashi-san.

Can I ask you to introdue use of the -y syntax for composite objects.
This would simplify soucd/core/Makefile

The below would then become:
>  
> -snd-page-alloc-objs := memalloc.o sgbuf.o
> +snd-page-alloc-y := memalloc.o
> +snd-page-alloc-$(CONFIG_HAS_DMA) += sgbuf.o
>  
>  snd-rawmidi-objs  := rawmidi.o
>  snd-timer-objs    := timer.o

Ask if you have questions.

Thanks,
	Sam
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