Re: [PATCH RFC] ASoC: sh: rcar: dma: : use proper DMAENGINE API for termination

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Hi Shimoda-san, Morimoto-san,

Thanks for the report and to the testing team!

> I'm afraid but, our test team detected an issue [1] on v5.15-rc2 with m3ulcb and ebusu.
> # Our test team doesn't test this on salvator-xs yet...
> I asked Morimoto-san locally, and he guess that using dmaengine_terminate_async() instead
> of dmaengine_terminate_sync() could be resolved. But, what do you think?

I agree. As I wrote in the original mail, I wasn't too sure about this
change because I don't know the driver well. While I didn't find code
handling an async case, the driver still too complex so that might have
missed some details. This is why the patch was marked RFC. So, I totally
agree to drop this patch and handle the issue the async way. Is it
possible that Morimoto-san takes care of it? I'd think this makes sense
because he knows potential race conditions better than me. If it is not
possible, I will try to have a look.

All the best,

   Wolfram

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