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Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the callback

From Vinod Koul <vinod.koul@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the callback
Date 2016-08-19 05:40 +0200
Message-ID <s7IP0-hA-15@gated-at.bofh.it> (permalink)
References (5 earlier) <s3U2m-2BY-11@gated-at.bofh.it> <s4GTq-n4-109@gated-at.bofh.it> <s4IBQ-1DK-27@gated-at.bofh.it> <s7I2B-8cc-11@gated-at.bofh.it> <s7IP0-hA-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Vinod Koul <vinod.koul@intel.com> - 2016-08-19 04:50 +0200
  Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Sinan Kaya <okaya@codeaurora.org> - 2016-08-19 05:40 +0200
    Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Vinod Koul <vinod.koul@intel.com> - 2016-08-19 05:40 +0200
      Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Sinan Kaya <okaya@codeaurora.org> - 2016-08-19 05:50 +0200
        Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Vinod Koul <vinod.koul@intel.com> - 2016-08-19 07:50 +0200
          Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback okaya@codeaurora.org - 2016-08-19 13:30 +0200
            Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Vinod Koul <vinod.koul@intel.com> - 2016-08-19 19:00 +0200
              Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Sinan Kaya <okaya@codeaurora.org> - 2016-08-19 19:40 +0200
                Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Vinod Koul <vinod.koul@intel.com> - 2016-08-22 08:20 +0200
                Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Sinan Kaya <okaya@codeaurora.org> - 2016-08-22 15:30 +0200
                Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the  callback Vinod Koul <vinod.koul@intel.com> - 2016-08-22 19:00 +0200

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