[parisc-linux] C3000 and IDE DMA support

Grant Grundler grundler@parisc-linux.org
Wed, 27 Aug 2003 15:44:09 -0600


On Wed, Aug 27, 2003 at 10:23:17PM +0100, Alan Cox wrote:
> The crash is also curious - I wonder if parisc is either bouncing
> every DMA buffer and copying it for some reason,

c3000 uses sba_iommu.c and AFAIK all DMA goes through the IOMMU.
Would surprise me if the DMA was bounced/copied.

grant