On Feb 7, 2007, at 3:34 AM, Li Yang-r58472 wrote:
On Feb 6, 2007, at 5:31 AM, Li Yang wrote:
Get rid of private immrbar_virt_to_phys() routine and
use generic iopa().
Nack. iopa() isn't that generic, shouldn't we really be using the dma
mapping API here?
Do you mean the dma_map_single()? dma_map_single can map memory space
correctly, but I don't think it can handle ioremap-ed space.
What are you mapping? It looks like buffer descriptor rings. Are
they being kept in QE sram? If so that I think you can treat it as
memory. (I believe the SRAM behaves like memory, is cache-coherent,
etc).
- k
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