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Re: [PATCH V2] dmaengine: mdc: Correct terminate_all handling

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  Re: [PATCH V2] dmaengine: mdc: Correct terminate_all handling Vinod Koul <vinod.koul@intel.com> - 2015-12-18 06:50 +0100

#1294445 — Re: [PATCH V2] dmaengine: mdc: Correct terminate_all handling

On Thu, Dec 10, 2015 at 03:07:23PM +0000, Damien Horsley wrote:
> From: "Damien.Horsley" <Damien.Horsley@imgtec.com>
> 
> Use of the CANCEL bit in mdc_terminate_all creates an
> additional 'command done' to appear in the registers (in
> addition to an interrupt).
> 
> In addition, there is a potential race between
> mdc_terminate_all and the irq handler if a transfer
> completes at the same time as the terminate all (presently
> this results in an inappropriate warning).
> 
> To handle these issues, any outstanding 'command done'
> events are cleared during mdc_terminate_all and the irq
> handler takes no action when there are no new 'command done'
> events.

Applied, thanks

-- 
~Vinod
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