Re: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSMDMA APIs

From: Ravi Kumar V
Date: Thu Mar 15 2012 - 13:57:54 EST


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@xxxxxxxxxx
<mailto:dwalker@xxxxxxxxxx>> 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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