Re: I2O on sparc64 [Also on alpha] (Was: Re: mlx on sparc?)

["Michael L. Hitch" <mhitch%lightning.msu.montana.edu@localhost>]

On Sun, 14 Sep 2008, Martin Husemann wrote:

> DMA on sparc64 goes through the iommu, so bus addresses have usually no
> similarity with neither kernel VA nor kernel PA. Not using
> bus_dmamap_alloc/load would certainly guarantee the driver to not work on
> sparc64.

  It was using bus_dmamem_alloc() and bus_dmamap_load(), but was using the
address from the bus_dmamem_alloc() rather than the one from the 
bus_dmamap_load().  I've committed the change, which makes it work on the
alpha, and should now work on sparc64.

--
Michael L. Hitch                        mhitch%montana.edu@localhost
Computer Consultant
Information Technology Center
Montana State University        Bozeman, MT     USA