From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] DMA: extend documentation to provide more API details
Date: Mon, 7 Oct 2013 20:13:35 +0530 [thread overview]
Message-ID: <20131007144335.GL2954@intel.com> (raw)
In-Reply-To: <Pine.LNX.4.64.1310071725300.20796@axis700.grange>
On Mon, Oct 07, 2013 at 05:28:37PM +0200, Guennadi Liakhovetski wrote:
> > > > > > No, not something in the middle. I was thinking about
> > > > > >
> > > > > > (1) cookie 1-3 are submitted
> > > > > > (2) cookie 1 succeeds
> > > > > > (3) a DMA error occurs, cookies 2-3 are discarded
> > > > discarded using terminate_all right?
> > >
> > > No, by the dmaengine driver as a part of the error processing.
> > And how will that be done...?
>
> Sorry, I meant - DMA descriptors with cookies #2 and #3 will be cancelled
> and recycled by the dmaengine driver. That's what you have to do, when
> processing DMA error IRQ.
Well how do you that?
--
~Vinod
next prev parent reply other threads:[~2013-10-07 14:43 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-05 17:36 [PATCH] DMA: extend documentation to provide more API details Guennadi Liakhovetski
2013-10-05 17:36 ` Guennadi Liakhovetski
2013-10-05 19:02 ` Russell King - ARM Linux
2013-10-05 19:02 ` Russell King - ARM Linux
2013-10-05 21:00 ` Guennadi Liakhovetski
2013-10-05 21:00 ` Guennadi Liakhovetski
2013-10-05 23:31 ` Russell King - ARM Linux
2013-10-05 23:31 ` Russell King - ARM Linux
2013-10-06 5:20 ` Vinod Koul
2013-10-07 10:45 ` Guennadi Liakhovetski
2013-10-07 10:41 ` Vinod Koul
2013-10-07 12:17 ` Guennadi Liakhovetski
2013-10-07 11:17 ` Russell King - ARM Linux
2013-10-07 10:39 ` Vinod Koul
2013-10-07 12:15 ` Guennadi Liakhovetski
2013-10-07 14:25 ` Vinod Koul
2013-10-07 15:28 ` Guennadi Liakhovetski
2013-10-07 14:43 ` Vinod Koul [this message]
2013-10-07 15:45 ` Guennadi Liakhovetski
2013-10-07 15:52 ` Vinod Koul
2013-10-07 20:55 ` Guennadi Liakhovetski
2013-10-08 3:52 ` Vinod Koul
2013-10-08 7:28 ` Guennadi Liakhovetski
2013-10-07 15:48 ` Vinod Koul
2013-10-07 20:43 ` Guennadi Liakhovetski
2013-10-08 3:58 ` Vinod Koul
2013-10-08 7:17 ` Guennadi Liakhovetski
2013-10-09 1:34 ` Dan Williams
2013-10-10 16:15 ` Vinod Koul
2013-10-16 19:33 ` Stephen Warren
2013-10-17 5:16 ` Vinod Koul
2013-10-17 14:55 ` Stephen Warren
2013-10-17 17:00 ` Dan Williams
2013-10-07 7:40 ` Guennadi Liakhovetski
2013-10-07 7:40 ` Guennadi Liakhovetski
2013-10-09 1:28 ` Dan Williams
2013-10-09 1:28 ` Dan Williams
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