linux-kernel - Re: [PATCH v2 04/15] dmaengine: Pass no_wakeup parameter via device_prep_dma

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Message-ID: <20120918083146.GE12445@n2100.arm.linux.org.uk>
Date:	Tue, 18 Sep 2012 09:31:46 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Peter Ujfalusi <peter.ujfalusi@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, Tony Lindgren <tony@...mide.com>,
	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	alsa-devel@...a-project.org, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Janusz Krzysztofik <jkrzyszt@....icnet.pl>,
	Ricardo Neri <ricardo.neri@...com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Barry Song <baohua.song@....com>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>,
	Vista Silicon <javier.martin@...ta-silicon.com>,
	Zhangfei Gao <zhangfei.gao@...vell.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Laxman Dewangan <ldewangan@...dia.com>
Subject: Re: [PATCH v2 04/15] dmaengine: Pass no_wakeup parameter via
	device_prep_dma_cyclic() callback

On Mon, Sep 17, 2012 at 11:01:23AM +0200, Linus Walleij wrote:
> On Thu, Sep 13, 2012 at 3:37 PM, Peter Ujfalusi <peter.ujfalusi@...com> wrote:
> 
> > Change the parameter list of device_prep_dma_cyclic() so the DMA drivers
> > can receive the no_wakeup request coming from client drivers.
> > This feature can be used during audio operation to disable all audio
> > related interrupts.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
> > CC: Nicolas Ferre <nicolas.ferre@...el.com>
> > CC: Barry Song <baohua.song@....com>
> > CC: Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>
> > CC: Russell King - ARM Linux <linux@....linux.org.uk>
> > CC: Vista Silicon <javier.martin@...ta-silicon.com>
> > CC: Zhangfei Gao <zhangfei.gao@...vell.com>
> > CC: Shawn Guo <shawn.guo@...aro.org>
> > CC: Laxman Dewangan <ldewangan@...dia.com>
> 
> After some discussion with clever people I know I have come to the conclusion
> that this is a good idea, so:
> Acked-by: Linus Walleij <linus.walleij@...aro.org>

NAKed-by: me

If you look at the other sub-threads of the patch you're acking, you'll
notice that there's a v3 of this patch set which changes the way this is
done.
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