linux-kernel - Re: [PATCH v2 0/2] Add Qualcomm MSM ADM DMAEngine driver

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Message-ID: <1328084998.1610.11.camel@vkoul-udesk3>
Date:	Wed, 01 Feb 2012 13:59:58 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Ravi Kumar V <kumarrav@...eaurora.org>
Cc:	linux-arch@...r.kernel.org, tsoni@...eaurora.org,
	linux@....linux.org.uk, arnd@...db.de,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	bryanh@...eaurora.org, johlstei@...eaurora.org,
	Daniel Walker <dwalker@...o99.com>, dan.j.williams@...el.com,
	davidb@...eaurora.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 0/2] Add Qualcomm MSM ADM DMAEngine driver

On Wed, 2012-02-01 at 11:46 +0530, Ravi Kumar V wrote:
> On 1/31/2012 11:39 AM, Vinod Koul wrote:
> > On Tue, 2012-01-31 at 11:29 +0530, Ravi Kumar V wrote:
> >>> [1]: https://lkml.org/lkml/2011/10/24/275
> >>> [2]: https://lkml.org/lkml/2012/1/26/405
> >>>
> >>
> >> Yes if we follow the above RFC and add extra context parameter also
> >> in
> >> device_prep_dma_sg()&  device_prep_interleaved_dma() then it supports
> >> our hardware and our work will be completed.
> >>
> >> can we follow above RFC and implement our driver.
> >> Is above RFC finalized and included in mainline?
> > Alexandre will post an updated one soon, but the idea is same
> >
> 
> Can we add extra parameter context to device_prep_dma_sg() & 
> device_prep_interleaved_dma() API's and implement our driver.
So what one are you going to use...

>>From the description sounds like you need interleaved API but with
changes to make it interleaved in both src and dtsn, right?
Then why prep_dma_sg?


-- 
~Vinod

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