Subject: Re: port-sparc/10607: bus_space_alloc/bus_space_free not present on sparc port
To: matthew green <mrg@eterna.com.au>
From: Jason R Thorpe <thorpej@zembu.com>
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 <thorpej@zembu.com>