In article <44830CB6.5070402@tadpole.com>,
Garrett D'Amore  <garrett_damore@tadpole.com> wrote:
>
>SPARC64 uses a struct instead of an address or pointer for a
>bus_space_handle_t.  This creates an ugly situation in some code (ath in
>particular), forcing us to have #ifdef __sparc64__ in this code to
>handle this case.  (The Atheros HAL layer wants a single pointer for a
>bus_space_handle_t.)
>
>It would be cleaner to have a macro in bus.h, ala
>__BUS_SPACE_HANDLE_IS_STRUCT, so that I could test for that flag instead
>of having a test for a specific port.  What do folks think?

Maybe a bus_space_get_handle() macro?

christos