Subject: Re: mmap'ing framebuffer memory in MI drivers...
To: Jonathan Stone <jonathan@DSG.Stanford.EDU>
From: Jason Thorpe <>
List: tech-kern
Date: 03/03/1999 14:37:33
On Wed, 03 Mar 1999 12:42:45 -0800 
 Jonathan Stone <jonathan@DSG.Stanford.EDU> wrote:

 > Agreed. What I'm saying is that that after a bus_space_mmap() has done
 > its thing, then converting the ``system physical address'' it returns
 > to a (*d_mmap)() entrypoint is an MD operation.  if we want MI drivers
 > for mmap'able devices we need an MI hook to do that conversion; end of
 > story.

Um, pmap_phys_address() currently does it.  It's an icky interface, but it

        -- Jason R. Thorpe <>