Subject: Re: port-sparc/10607: bus_space_alloc/bus_space_free not present on sparc port
To: matthew green <>
From: Jason R Thorpe <>
List: port-sparc
Date: 08/31/2000 09:28:26
On Thu, Aug 31, 2000 at 10:15:55PM +1100, matthew green wrote:

 > the sparc port sure can use extents -- extents are used all over the kernel.
 > i believe what pk means is that the *concept* doesn't make sense.  sbus
 > devices don't need to "alloc" space... they already have it allocated to them,
 > it just needs to be mapped in to place..

Right, but the PCMCIA framework likes to "allocate" space for the
card itself.

Doing this does not necessarily require a bus_space_alloc() for sbus,
but could be done by making the sbus PCMCIA controller driver maintain
its own extent of space available to cards.

        -- Jason R. Thorpe <>