[Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces.

   From: Colin Ngam <cngam@sgi.com>
   Date: Thu, 15 May 2003 17:14:11 -0500
   
   Now, for PCI-X devices, we need to generate an IOMMU mapped DMA
   address that  has the Upper 32 bits non 0s.

Then add a consistent_dma_mask attribute to the device struct,
problem solved.