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As others have said, it appears that's outdated.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