linux-kernel - Re: [RFC] mmc: msm_sdcc: Use SPS BAM as DMA engine

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Message-ID: <1301373005.1695.25.camel@vkoul-udesk3>
Date:	Tue, 29 Mar 2011 10:00:05 +0530
From:	"Koul, Vinod" <vinod.koul@...el.com>
To:	David Brown <davidb@...eaurora.org>
Cc:	Subhash Jadavani <subhashj@...eaurora.org>,
	'Daniel Walker' <dwalker@...o99.com>, cjb@...top.org,
	linux-mmc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	bryanh@...eaurora.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] mmc: msm_sdcc: Use SPS BAM as DMA engine

On Thu, 2011-03-24 at 15:45 -0700, David Brown wrote:
> 
> Currently none of the MSM DMA hardware uses the DMA engine API, and I
> think we need to figure out if we want to move to that at some point.  I
> realize that the hardware (especially SPS BAM) does a lot more than
> regular DMA, this may involve extending DMA engine, which may or may not
> be appropriate.
If its looks sane extension, I am okay with it :)
Can you point out _exactly_ why the MSM DMA H/W can't use DMA engine at
this point of time?

-- 
~Vinod

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