Re: [PATCH V2 2/3] dmaselftest: add memcpy selftest support functions

Timur Tabi
2015-11-03T14:32:00Z

Sinan Kaya wrote:
>
> Almost all DMA engine drivers come with some sort of selftest code
> called from probe. I followed the same design pattern.

As others have said, it appears that's outdated.

Is there a real possibility that the hardware could fail the test
without trashing the system? It seems that if the DMA engine is faulty,
it won't "politely" fail. The whole system will crash or some memory
will get corrupted and you won't know it.

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