PowerPC PCI DMA issues (prefetch/coherency?)

Scott Wood scottwood at freescale.com
Wed Jun 17 03:03:47 EST 2009


Chris Pringle wrote:
> Ah right - that would explain what we're seeing then... Doh. Thought I 
> might have been onto something then. Is there any way to force a cache 
> flush? That'd at least prove it was a caching issue if it resolved the 
> problem.

You could enable CONFIG_NOT_COHERENT_CACHE.

-Scott


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