linux-kernel - Re: [PATCH v4] dma: Add Xilinx AXI Direct Memory Access Engine driver support

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Message-ID: <20150212093445.GM21387@intel.com>
Date:	Thu, 12 Feb 2015 15:04:45 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Appana Durga Kedareswara Rao <appana.durga.rao@...inx.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Srikanth Vemula <svemula@...inx.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Srikanth Thokala <sthokal@...inx.com>,
	"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Michal Simek <michals@...inx.com>,
	Anirudha Sarangi <anirudh@...inx.com>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"dan.j.williams@...el.com" <dan.j.williams@...el.com>
Subject: Re: [PATCH v4] dma: Add Xilinx AXI Direct Memory Access Engine
 driver support

On Thu, Jan 29, 2015 at 11:24:41AM +0000, Appana Durga Kedareswara Rao wrote:
> >  Earlier in the driver we are embedding dma_slave_config into custom
> > structs But Lars suggested to modify it. please refer to the below thread for
> > more details.
> >  http://www.spinics.net/lists/dmaengine/msg00010.html
> >
> >  And later we thought of creating a separate private member in
> > dma_slave_config for sharing additional configuration between slave
> > device and dma engine Or a new dma_ctrl_cmd like
> >  FSLDMA_EXTERNAL_START(http://www.kernelhub.org/?msg=405535&p=2 )
> >
> >  Finally Vinod was ok with the existing suggestion so we dropped the above
> > thought.
> >
> >  @Vinod : Could you please comment on this.
FSLDMA_EXTERNAL_START has been removed, and you cna use the removal as a
guidance of how to solve your issue

Thanks

-- 
~Vinod

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