linux-kernel - Re: [PATCH] SOUND: Fix non-ISA_DMA

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Date:	Fri, 24 Jun 2011 14:36:23 +0100
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH] SOUND: Fix non-ISA_DMA_API build failure

On Fri, Jun 24, 2011 at 03:19:44PM +0200, Arnd Bergmann wrote:

> > The sole ISA sound driver that does not use the ISA DMA API is the Adlib
> > driver so replaced the dependency of SND_ISA on ISA_DMA_API and add it to
> > each of the drivers individually.
> 
> Do we really care all that much about the Adlib driver on platforms without
> ISA_DMA_API? Right now all of sound/isa/ is hidden behind ISA_DMA_API and
> I think that's acceptable

When looking into this build error I started untangling the mess from the
isa from the sounds end and found the media bits as the root cause after I
finished the sound bits.  I honestly don't care about the Adlib - until I
plug an Adlib into one of my SGI Indigo² and that's unlikely to happen :)

> > diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
> > index e4c97fd..0aeed28 100644
> > --- a/drivers/media/radio/Kconfig
> > +++ b/drivers/media/radio/Kconfig
> > @@ -168,7 +168,7 @@ config RADIO_MAXIRADIO
> >  
> >  config RADIO_MIROPCM20
> >         tristate "miroSOUND PCM20 radio"
> > -       depends on ISA && VIDEO_V4L2 && SND
> > +       depends on ISA && ISA_DMA_API && VIDEO_V4L2 && SND
> >         select SND_ISA
> >         select SND_MIRO
> >         ---help---
> 
> Then this hunk by itself would be enough to solve the compile
> errors, AFAICT.

It is, I've tested that.

  Ralf
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