From: okaya@codeaurora.org (Sinan Kaya)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] dmaengine: qcom_hidma: release the descriptor before the callback
Date: Thu, 18 Aug 2016 23:26:28 -0400 [thread overview]
Message-ID: <8c096fee-9749-a7df-7e04-25d21c0ea9ac@codeaurora.org> (raw)
In-Reply-To: <20160819024853.GR9681@localhost>
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.
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2016-08-19 3:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-14 2:57 [PATCH] dmaengine: qcom_hidma: release the descriptor before the callback Sinan Kaya
2016-07-16 1:00 ` Sinan Kaya
2016-07-24 6:24 ` Vinod Koul
2016-07-25 14:19 ` Sinan Kaya
2016-08-04 12:55 ` Vinod Koul
2016-08-04 14:17 ` Sinan Kaya
2016-08-04 14:40 ` Russell King - ARM Linux
2016-08-04 15:27 ` Sinan Kaya
2016-08-04 15:38 ` Russell King - ARM Linux
2016-08-04 15:59 ` Lars-Peter Clausen
2016-08-08 9:08 ` Vinod Koul
2016-08-08 12:25 ` Lars-Peter Clausen
2016-08-10 17:23 ` Vinod Koul
2016-08-04 16:08 ` Sinan Kaya
2016-08-04 16:15 ` Lars-Peter Clausen
2016-08-05 6:32 ` Robert Jarzmik
2016-08-05 8:34 ` Lars-Peter Clausen
2016-08-05 15:17 ` Sinan Kaya
2016-08-08 9:02 ` Vinod Koul
2016-08-08 14:45 ` Sinan Kaya
2016-08-10 17:28 ` Vinod Koul
2016-08-10 17:31 ` Sinan Kaya
2016-08-19 2:48 ` Vinod Koul
2016-08-19 3:26 ` Sinan Kaya [this message]
2016-08-19 3:42 ` Vinod Koul
2016-08-19 3:48 ` Sinan Kaya
2016-08-19 5:52 ` Vinod Koul
2016-08-19 11:13 ` okaya at codeaurora.org
2016-08-19 17:02 ` Vinod Koul
2016-08-19 17:21 ` Sinan Kaya
2016-08-22 6:08 ` Vinod Koul
2016-08-22 13:27 ` Sinan Kaya
2016-08-22 17:00 ` Vinod Koul
2016-08-08 8:51 ` Vinod Koul
2016-08-08 12:10 ` okaya at codeaurora.org
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