On Wednesday 18 April 2012, Hiroshi Doyu wrote:
> If we can consider IOMMU as one of the implementation of DMA(Direct
> Memory Access), the prefix "dma-(window)" may make sense here. Then,
> we don't have to introduce a new concept "IO virtual address(iova)" in
> addition to the existing "bus address"(?)
>
> Anyway, either name would be ok for me;)
I would just use dma-window, without the "ibm," prefix but following the
same conventions. Note that the of_parse_dma_window function is currently
only defined in powerpc specific code, and should get moved to
drivers/of from arch/powerpc/kernel/prom_parse.c.
Arnd
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