linux-kernel - Re: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM DMA APIs

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Date:	Thu, 15 Mar 2012 23:27:51 +0530
From:	Ravi Kumar V <kumarrav@...eaurora.org>
To:	Shantanu Gupta <shans95g@...il.com>
CC:	Daniel Walker <dwalker@...o99.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Brown <davidb@...eaurora.org>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	gregkh@...uxfoundation.org
Subject: Re: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM
 DMA APIs

On 3/13/2012 4:27 PM, Shantanu Gupta wrote:
> Any info available(publicly) on so as to what all chipsets have this
> capability ?

This is DMA engine driver for "Application Data Mover(ADM)" which in one 
type of DMA device in most of the Qualcomm processors like snapdragon.

>
> On Tue, Mar 13, 2012 at 1:44 AM, Daniel Walker <dwalker@...o99.com
> <mailto:dwalker@...o99.com>> wrote:
>
>     On Mon, Mar 12, 2012 at 04:02:44PM +0530, Ravi Kumar V wrote:
>      > Add DMAEngine based driver using the old MSM DMA APIs internally.s
>
>     What do you mean by this?
>
>      > The benefit of this approach is that not all the drivers
>      > have to get converted to DMAEngine APIs simultaneosly while
>      > both the drivers can stay enabled in the kernel. The client
>      > drivers using the old MSM APIs directly can now convert to
>      > DMAEngine one by one.
>
>     Which drivers?
>
>     Daniel
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>


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