On Fri, Dec 17, 2010 at 02:26:44AM -0800, Saravana Kannan wrote: > After Catalin's response to clarify, if we still end up not treating > secure domain as a "DMA device", then what's the alternative? Can we get > an explicit "cache invalidate API" that's outside of the DMA APIs? Or a > general uncached pages alloc/free APIs? The answer _always_ is that if the existing APIs don't give you want you need, then either the APIs need extending or a new API needs to be created. In any case, have you looked at the latest set of SCM patches? They don't make use of DMA coherent memory anymore, so the problem would seem to be resolved. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html