Messages in this thread | | | Subject | Re: DMA mapping API for non-system memory pools | From | James Bottomley <> | Date | Fri, 09 Feb 2007 18:53:29 -0500 |
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On Fri, 2007-02-09 at 17:33 -0600, Kumar Gala wrote: > ideally all this would be handled via the dma mapping API, the > question is how to convey to the API to use the IO memory vs the > system memory? Should we look at adding a new GFP_IOMEM flag or do > something based on struct device? > > Any ideas on direction (or if this is a solved problem elsewhere) > would be appreciated.
Doesn't the dma_declare_coherent_memory() API work for this case? it was designed for the ARM SoC (and the voyager weird SCSI card).
James
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