From mboxrd@z Thu Jan  1 00:00:00 1970
From: vinod.koul@intel.com (Vinod Koul)
Date: Fri, 19 Aug 2016 09:12:50 +0530
Subject: [PATCH] dmaengine: qcom_hidma: release the descriptor before the
 callback
In-Reply-To: <8c096fee-9749-a7df-7e04-25d21c0ea9ac@codeaurora.org>
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 <20160804144003.GV1041@n2100.armlinux.org.uk>
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 <20160808090203.GY9681@localhost>
 <21475c6e-a5f8-5125-3998-f3995ce67c4d@codeaurora.org>
 <20160810172805.GH9681@localhost>
 <d09ebb5f-99ea-a4e9-da9c-693be89c7cd4@codeaurora.org>
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To: linux-arm-kernel@lists.infradead.org
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On Thu, Aug 18, 2016 at 11:26:28PM -0400, Sinan Kaya wrote:
> On 8/18/2016 10:48 PM, Vinod Koul wrote:
> >> Keep a size limited list with error cookies and flush them in terminate all?
> > I think so, terminate_all anyway cleans up the channel. Btw what is the
> > behaviour on error? Do you terminate or somthing else?
> > 
> 
> On error, I flush all outstanding transactions with an error code and I reset
> the channel. After the reset, the DMA channel is functional again. The client
> doesn't need to shutdown anything.

You mean from the client context or driver?

-- 
~Vinod