linux-kernel - Re: [alsa-devel] [RFC][PATCH 1/3 v2] ARM: OMAP: DMA: Add support for DMA channel self linking on OMAP1510

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Message-Id: <20090824084920.c99c561a.jhnikula@gmail.com>
Date:	Mon, 24 Aug 2009 08:49:20 +0300
From:	Jarkko Nikula <jhnikula@...il.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Janusz Krzysztofik <jkrzyszt@....icnet.pl>,
	Tony Lindgren <tony@...mide.com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	Peter Ujfalusi <peter.ujfalusi@...ia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [alsa-devel] [RFC][PATCH 1/3 v2] ARM: OMAP: DMA: Add support
 for DMA channel self linking on OMAP1510

On Sun, 23 Aug 2009 19:49:43 +0100
Mark Brown <broonie@...nsource.wolfsonmicro.com> wrote:

> On Sun, Aug 23, 2009 at 08:38:05PM +0200, Janusz Krzysztofik wrote:
> > Sunday 23 August 2009 20:05:43 Mark Brown wrote:
> 
> > > then what are the other 
> > > patches that depend on this? Nobody reported any issues in testing with 
> > > the other OMAP patches.
> 
> > Dependency on patch 1/3 is not compile time, but run time, and OMAP1510 
> > specific, that's probably why nobody has reported any issues.
> 
> OK, given that and the fact that you're reporting that none of these
> files are afected by any of the other patches it sounds like it'd be
> better to keep it in the OMAP tree unless Tony says otherwse.

Yep, Janusz's commits 64844a6ac8ddd586cb832fea7cf2e93e5e7e03f4 and
471e3dec3abe2d41e8c742046353fcb01bc2459e do not cause problems on other
OMAPs but will cause that ASoC on 1510 is broken until his DMA
patch(es) are applied. I'm sure you Janusz will ping Tony until he'll
apply them :-)

We should remember that arch/arm/plat-omap/mcbsp.c changes done via
ALSA tree has been an exception and that's only for simpler procedure.
McBSP is not so critical if sources goes out-of-sync but DMA is.


-- 
Jarkko
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