Re: [PATCH] spi: pxa2xx: Use newer more explicit DMAengine terminate API

[Robert Jarzmik <robert.jarzmik@xxxxxxx>]

Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> writes:

> Commit b36f09c3c441 ("dmaengine: Add transfer termination
> synchronization support") marked dmaengine_terminate_all() as
> deprecated and is being replaced by explicit synchronous and asynchronous
> terminate functions.
>
> Here DMA termination are done in two cases: FIFO overrun and module
> removal.
>
> FIFO overrun is handled in interrupt context and converting
> dmaengine_terminate_all() to dmaengine_terminate_async() does the same than
> before.
>
> Using synchronous termination in module removal however adds a bit more
> robustness as it waits all completion callbacks have finished. Although it
> looks all known DMA engines used with spi-pxa2xx don't implement
> device_synchronize() callback so this too appears to be a no-op in
> practice.
>
> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
Acked-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>

Cheers.

--
Robert
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