linux-kernel - Re: [PATCH V2 2/2] dmaengine: tegra: add dma driver

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Message-ID: <4FACF0DC.3050209@nvidia.com>
Date:	Fri, 11 May 2012 16:28:36 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Vinod Koul <vinod.koul@...ux.intel.com>
CC:	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH V2 2/2] dmaengine: tegra: add dma driver

On Friday 11 May 2012 02:11 PM, Vinod Koul wrote:
> On Thu, 2012-05-10 at 10:35 +0530, Laxman Dewangan wrote:
>
>> But when we update the chan->completed_cookie for aborted cookie?
>> Otherwise I will get the DMA_IN_PROGRSS when I call dma_cookie_status()
>> but actually it is aborted.
> no in .device_tx_status, you should check if the descriptor is aborted
> or not and rteurn error for aborted descriptor.
>
OK, I will not call this function.
Also I am dropping the ONCE_NOTIFY_HALF and will add later if require. I 
realize that patch patch should be simple and sufficient so that  other 
driver development/upstream can be unblock. Later on we can add feature 
based on necessary.

I am sending the new patch with considering all your feedback.
Thanks again for review.

Thanks,
Laxman


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