From: Mark Brown <broonie@kernel.org>
To: Vinod Koul <vinod.koul@intel.com>
Cc: Florian Meier <florian.meier@koalo.de>,
Stephen Warren <swarren@wwwdotorg.org>,
Dan Williams <dan.j.williams@intel.com>,
linux-rpi-kernel <linux-rpi-kernel@lists.infradead.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
Liam Girdwood <lgirdwood@gmail.com>,
alsa-devel@alsa-project.org, Martin Sperl <martin@sperl.org>
Subject: Re: [PATCH] dmaengine: Add support for BCM2835.
Date: Wed, 13 Nov 2013 16:30:55 +0000 [thread overview]
Message-ID: <20131113163055.GV878@sirena.org.uk> (raw)
In-Reply-To: <20131113143101.GD8834@intel.com>
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On Wed, Nov 13, 2013 at 08:01:01PM +0530, Vinod Koul wrote:
> On Wed, Nov 13, 2013 at 02:54:41PM +0000, Mark Brown wrote:
> > Yes, though I think some of the stuff Martin was talking about will need
> > changes to the dmaengine APIs. He was wanting to reuse DMA lists which
> > currently dmaengine needs to have built up each time.
> Can you elobrate a bit more on what you guys want to do here?
He wants to be able to submit a descriptor to the hardware more than
once to save on the costs of of constructing the descriptor. I'm not
convinced this is a huge benefit most of the time.
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next prev parent reply other threads:[~2013-11-13 16:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-08 17:22 Florian Meier
2013-11-08 18:17 ` Mark Brown
2013-11-13 5:00 ` Vinod Koul
2013-11-13 12:51 ` Mark Brown
2013-11-13 13:35 ` Vinod Koul
2013-11-13 14:54 ` Mark Brown
2013-11-13 14:31 ` Vinod Koul
2013-11-13 16:30 ` Mark Brown [this message]
2013-11-08 19:11 ` Russell King - ARM Linux
2013-11-11 12:36 ` Florian Meier
2013-11-13 15:02 ` Tomasz Figa
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