Scott Wood <[EMAIL PROTECTED]> wrote on 11/24/2008 01:28:20 PM: > [EMAIL PROTECTED] wrote: > > Maybe (with you clarification) this is starting to make sense. It doesn't > > matter if the "src" is host memory or PCI space. What the "src" and it's > > DMA_TO_DEVICE mapping is saying to the kernel is "this data needs to be > > moved into the DMA engine", while the "dest" and it's DMA_FROM_DEIVCE > > mapping is telling the kernel "this data needs to be moved from the DMA > > engine". > > Right. > > -Scott
Thank you sooooo much. Now it makes sense. I guess I was getting bogged down in the hardware sense of "src" and "dest" Thanks again. Bruce _______________________________________________ Linuxppc-embedded mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-embedded
